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Тестовое оборудование для батарей

Описание:
This reference design shows a universal power supply solution for DDR3 and DDR4 memory. A synchronous Buck converter provides an output voltage of 1.35V for a 9A load in DDR3L configuration. A linear regulator provides a second voltage of 0.675V for a 2A load.

Возможности:

Built and tested Solution for DDR3, DDR3L, DDR3U and DDR4 by adjusting just a single resistor High efficiency Very good dynamic performance Headroom for transients Very low ripple

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The PMP10601 reference design provides all the power supply rails necessary to power Xilinx® Zynq® 7000 series (XC7Z015) FPGA. This design uses several LMZ3 series modules, LDOs, and a DDR termination regulator to provide all the necessary rails to power the FPGA. It also features one LM3880 for power up and power down sequencing. This design uses a 12V input.

Возможности:

Provides all the power supply rails needed for a Xilinx® Zynq® 7000 series (XC7Z015) Design optimized to support a 12V input On board power up and power down sequencing Supports DDR3 memory device Module design for ease of use

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The PMP10604 reference design is a 2-layer board 5V, 3A output power supply using LM53603 buck regulator for cluster unit in automotive applications. The LM53603 is a 3.5V to 36V input, 3A output capable, and 2.1 MHz fixed frequency buck regulator, specially designed for automotive applications. It has exceptionally low quiescent current (24µA typical at no load), and can transit to PFM from PWM to ensure high efficiency at light load. For this reference design, it has an input voltage range of 7.5V to 36V, covering the wide variation conditions of the 12V battery in automotive space. The reference board includes an input EMI filter section, and the layout is optimized for improved EMI performance on a 2-layers PCB. The board was tested under the automotive EMC standard, CISPR 25, and the conducted emissions were in compliance with the CISPR 25 Class 5 requirements.

Возможности:

7.5V to 36V input voltage range 91% peak efficiency EMI optimized 2-layout design, compliance with CISPR 25 Class 5 conducted emissions standard 2.1MHz fixed frequency, and seamless transition to PFM mode at light load Sub 75µA operating quiescent current The reference board is tested, and the test report and design files are included

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This DDR reference design provides a VDDQ of 2.5V @ 6A and a VTT of 1.25V. The 2.5V sync buck converter achieves an efficiency of 92% while the 1.25V minimizes area by implementing a built-in LDO and has excellent tracking performance.

Возможности:

Complete power solution for DDR or DDR2 memory applications High efficiency (92%) synchronous controller with integrated LDO Adaptive on-time control for fast transient response Supports all three sleep states, suspend to RAM, soft-off, suspend to disk

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The PMP20026reference design provides an efficient low power solution for DDR4 memory. The power supply is powered from a 12V source and regulates the output to 1.2V at up to 6A. The TPS53515 operates in a single phase buck mode at 500kHz that allows for very high efficiency conversion. The solution size is25mm x 15mm. The peak effciency approaches 90% at 5A. At very light loads the efficiency is still above 40%.

Возможности:

12VIN to 1.2VOUT at 6A Peak efficiency ~89% DCAP3 Mode for Fast Transient Response Bandwidth >100kHz Load Regulation <2%

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The PMP20080 is a powerful design intended to operate 5 output rails with application to a Hybrid Memory Cube (HMC) Gen2. This design uses 5 synchronous bucks with multiple different controllers to allow for a well regulated set of outputs. Also, PMP20080 allows for the configurability that comes along with PMBus. The PMP20080 reference design has been designed entirely with standard components.
Возможности:

12VC input, 0.9V output at 15.5A, 1.2V output at 12.5A PMBus configurability Utilize all standard components (including magnetics) Test report available

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The PMP21098 reference design uses UCC28056 transition mode PFC controller and UCC25630 enhanced LLC controller with integrated driver to provide 12V/10.8A output (continuous, 14.2A peak) from universal AC input. This design achieves 92.4% peak efficiency at 115VAC input and 94% peak efficiency at 230VAC input. The efficiency and power factor numbers also meet both 115V and 230V internal 80 PLUS gold specifications. In addition, the design is able to achieve less than 600mW power consumption with 350mW output power without turning off PFC.

Возможности:

Universal AC input to 12V/10.8A (continuous), 14.2A (peak) Compact 54mm x 141mm x 30mmboard dimension Less than 20% THD with 25% load 94% peak efficiency Less than 600mW power consumption with 350mW load Auxilliary power supply not needed to achieve low standby power

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The PMP40133 control board provides the interface with fast charger adapter solution. The main MCU is MSP430G2955 which controls communication with a charger device using MaxCharge™ techonlogy. TPL0102-100 digital potentiometer is used for fine tuning the adapter output voltage. 256 taps enables 10mV votlage step adjustement accuracy. INA199B current detection circuit and voltage divider circuit is used for adapter's OCP and OVP.
Возможности:

System level solution for cable impedance detection and BAT OVP co-working with BQ2587x Advanced fast charge algorithm via D+, D- Analog signal to PMP40060 FB pin providing 10mV/step resolution

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This reference design is a battery initialization reference design solution for automotive and battery applications. The module enables a high efficiency single stage conversion for charging and discharging the battery. This design features a 0.1% accurate current control loop using the high performance INA225 current sense amplifier. The design was achieved in a compact form factor (40mmX143mmX20mm).
Возможности:

S.R. buck/boost topology for both charge/discharge Extra high efficiency up to 94% High current accuracy 0.1% and good linearity Discrete solution is easy for re-design Interface reserved for MCU control and measurement

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The PMP40280is a battery initialization reference design solution for automotive and battery applications. The MCU TM4C123GH6PZ sets charging/discharging current and real time monitors battery voltage and charging/discharging current. It will calibrate system gain error to meet charging/discharging current accuracy 0.1% when environment temperature changes. When system works in any faults, MCU can disable power converter. Communication is accomplished through standard CAN bus.
Возможности:

Voltage and current monitoring and fault protection Digital constant voltage and current point setting Calibrate to meet current accuracy 0.1% Integrate CAN interface Interface reserved for power board and measurement

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Базовый проект PMP4320A представляет собой DC/DC-преобразователь с одним выходом и полностью цифровым управлением в стандартном форм-факторе 1/2 на базе UCD3138. Он рассчитан на генерирование выходного тока до 50 А при выходном напряжении 12 В. Для данного преобразователя характерны высокие КПД и значения рабочих характеристик, а также имеется возможность гибкого конфигурирования преобразователя, что идеально подходит для использования его в качестве шинного преобразователя.

Возможности:

  • По результатам испытаний полностью соответствует требованиям клиентов на рынке телекоммуникационных систем
  • Гибкая настройка ключевых параметров
  • Полномостовой преобразователь с синхронным выпрямителем
  • Хорошие тепловые характеристики благодаря малому количеству компонентов
  • КПД 93,9 %
  • Защита от повышенного напряжения и перегрузки на выходе, а также от пониженного напряжения на входе

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Данный базовый проект демонстрирует функциональность и работоспособность полноценного решения заряда одной Li-Ion батареи типа «таблетка». Она может питаться как от внешнего адаптера, так и от USB-порта. Когда печатная плата подключена к компьютеру, в графическом интерфейсе пользователя можно отслеживать ток нагрузки, состояние заряда и другие многочисленные параметры.

 

Возможности:

  • Полноценное решение
  • Мониторинг
  • Прецизионное решение

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Данный проект представляет собой FBPS-преобразователь на 100 кГц, работающий в режиме источника напряжения. Он поддерживает входное напряжение в диапазоне от 400 до 750 В постоянного тока и обеспечивает управляемый выход 24 В/ 12 А. Компонент UCC28950 от TI обеспечивает высокую эффективность при высоких входных напряжениях.

 

 

Возможности:

  • КПД свыше 92% при полной нагрузке
  • Высокое входное напряжение
  • Фазоизменяющий полный мост на 250 Вт
  • Широкий диапазон высоких входных напряжений от 400 до 750 В постоянного тока
  • Обеспечивает синхронное выпрямление за счёт эффективного удвоителя напряжения
 

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Fixed frequency voltage mode control is used for CPU, Memory and ASIC applications where a predictable frequency and/or synchrnization to an external clock is needed. Four high-current synchronous power stages provide the high currents and low losses needed for these applications. Multi-phase also allows output ripple cancellation and effective higher bandwidth control for a given switching frequency. PMP9131 focuses on ease of electrical testing and ability to make changes "on the fly" thru the PMBus interface. On-board bias supplies and a high speed dynamic load round out the rich test interface.

Возможности:

Multiple fully synchronous power stages for high currents & lowest losses Fixed frequency voltage mode control allows for user selection of switching frequency and synchronization to an external clock Output voltage, current limit and fault thresholds/responses can be adjusted "on the fly" thru the PMBus interface Focus of evaluation board is on ease of electrical testing with almost all parts on top side Rich test interface including PMBus socket, 5V & 3.3V biases and high speed dynamic test load Schematic, BOM, layout, and Test Report focusing on thermal performance & load dynamics

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The reference design PMP9464 utilizes the LMZ31530, a 30A SIMPLE SWITCHER® Power Module. The LMZ31530 SIMPLE SWITCHER® power module is an easy-to-use integrated power solution that combines a 30-A DC/DC converter with power MOSFETs, a shielded inductor, and passives into a low profile, QFN package. This design has a LM25056 on the front end. The LM25056 combines high performance analog and digital technology with a PMBus compliant SMBus/I2C interface to accurately measure the operating conditions of electrical systems including computing and storage blades connected to a backplane power bus. This allows the user to monitor the real time values of Vin, Iin, Pin and Pout; as well as temperature and peak power. These values are reported via PMBus™/SMBus™/I2C. PMP9464 also enables the user to margin the output voltage setting, by slewing it up or down. This is done with the LM10011 VID programmable current DAC. The LP2951 supplies a 3.3V rail for the LM3881 power sequencer. The LM3881 sequencer can be used for sequencing other off board power supplies.

Возможности:

Adjustable from 0.6V to 3.3 Vout 30W Pout for powering wide range of FPGA core rails and asics Peak Efficiency at 85% for 0.9V Switching Frequency 500kHz Design ideal for Power Characterization during design phase and subsequent cost saving

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Описание:
Advanced DCAP+ control is used to provide the high speed dynamic control needed for CPU, Memory and ASIC applications. Six high current synchronous power stages provide the high currents and low losses needed for these applications. Multi-phase also allows output ripple cancellation and effective higher bandwidth control for a given switching frequency. PMP9738 focuses on ease of electrical testing and ability to make changes "on the fly" thru the PMBus interface. On board bias supplies and a high speed dynamic load round out the rich test interface.

Возможности:

Multiple fully synchronous power stages for high currents and lowest losses DCAP+ control for excellent step load response, SVID and PMBus interfaces Output voltage, switching frequency, number of phases can be adjusted "on the fly" through the PMBus interface Focus of evaluation board is on ease of electrical testing with almost all parts on top side Rich test interface including PMBus socket, 5V and 3.3V biases and high speed dynamic test load Schematic, BOM, layout and Test Report focusing on thermal performance and load dynamics

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This reference design is a complete solution for the bq20z65/bq29412 battery management system. The design includes one bq20z65/bq29412 circuit module and a link to Windows™-based PC software. The circuit module design includes one bq20z65 integrated circuit (IC), one bq29412 IC, and all other onboard components necessary to monitor and predict capacity, perform cell balancing, monitor critical parameters, protect the cells from overcharge, over-discharge, short-circuit, and overcurrent in 2-, 3- or 4-series cell Li-ion or Li-polymer battery packs. The reference design connects directly across the cells in a battery. With the EV2300 interface board and software, the user can read the bq20z65 data registers, program the chipset for different pack configurations, log cycling data for further evaluation, and evaluate the overall functionality of the bq20z65/bq29412 solution under different charge and discharge conditions.

Возможности:

# Series Cells: 2 to 4S Max Input Volts: 25V Max Charge Current: 3A Communication: SMBus Impedence Track, Integrated protection This EVM requires the use of a communications tranciever, the EV2400

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В данной схеме демонстрируется реализация малопотребляющего приёмопередатчика RS-485 с возможностью выбора скорости передачи данных и гибкостью выбора уровней входов и выходов. Благодаря наличию LDO с двумя выходами возможна работа с логическими уровнями 1,8 В или 3,3 В. С помощью вывода выбора скорости нарастания напряжения возможна настройка данной характеристики драйвера, что позволяет передавать данные с низкой скоростью (250 кбит/с) на большие расстояния или с высокой скоростью (20 Мбит/с) по коротким шинам.

 

Возможности:

  • Логические уровни 1,8 В или 3,3 В
  • Настраиваемая скорость передачи данных: 250 кбит/с или 20 Мбит/с
  • Возможность подключения к шине до 256 устройств
  • Защита по IEC 61000-4-2 до 16 кВ
  • Защита по IEC 61000-4-4 до 4 кВ

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This reference design demonstrates a small form-factor Controller Access Network (CAN)-to-Ethernet converter using the TM4C129XNCZAD 32-bit ARM&reg; Cortex&trade;-M4F MCU. Supporting 10/100 Base-T compliant with IEEE 802.3 standard, this reference design is useful for industrial drives monitoring and control, as well as Supervisory Control and Data Acquisition (SCADA) systems. The same hardware can be used as a CAN-to-Ethernet gateway or bridge with simple changes in the firmware. The gateway application is useful for monitoring remote CAN networks over Ethernet, while the bridge application is useful for coupling CAN networks via the the internet or local area netowork (LAN).

Возможности:

Fully integrated 10/100 Ethernet MAC and PHY with Advanced IEEE 1588 Precision Time Protocol (PTP) hardware and both Media Independent Interface (MII) and Reduced MII (RMII) support provides a compact Ethernet solution. Onboard non-isolated Controller Area Network (CAN) and RS-485 PHYs provides easy interface to a variaety of fieldbus solutions. Provisional connection allows High Efficiency Isolated CAN & Profibus Interface. JTAG connector for easy programming Expansion connectors provide access to communication, Analog-to-Digital Converters (ADCs), and General Purpose Input and Output (GPIO) interfaces for maximum flexibility 50-pin SDCC connector provided for easy interface to the MII and RMII Ethernet PHY for use with other controllers

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Высокоэффективное зарядное устройство на 400 Вт для зарядки разнообразных аккумуляторов с напряжением от 20 В до 42 В, идеально подходит для зарядки литий-ионных (Li-Ion) аккумуляторных батарей из 10 элементов, используемых в аккумуляторном садовом и электроинструменте. В данном решении используется повышающий корректор коэффициента мощности (ККМ, PFC) с эффективностью 96%. Это позволяет добиться высокого коэффициента мощности более 0,99%, что соответствует классу А стандарта IEC61000-3-2. Основной преобразователь реализован по полумостовой резонансной схеме LLC и работает с эффективностью 96% при максимальной нагрузке. Допустимый диапазон входных напряжений от 175 В до 265 В. Компактный размер решения (230 мм x 80 мм) для мощности 400 Вт. Общая эффективность решения 92% при точности выходного напряжения и тока ±3% при максимально нагрузке. Конструкция EMI фильтров на входе и выходе схемы позволяют добиться соответствия решения классу А стандарта EN55011.

Возможности:

  • Зарядное устройство на 400 Вт с корректором коэффициента мощности (ККМ, PFC) и полумостовым резонансным LLC преобразователем
  • Устройство разработано для зарядки разнообразных аккумуляторов с напряжением от 20 В до 42 В: Li-ion, Li-poly, Ni-Cd свинцовые
  • Идеален для зарядки литий-ионных аккумуляторных батарей из 10 элементов, применяемых в электроинструменте
  • Обеспечивает постоянный ток в 9 А на выходе для быстрой зарядки аккумуляторов
  • Высокая эффективность 92% при полной нагрузке 9 А 230 В исключает необходимость во внешней системе охлаждения
  • Высокий коэффициент мощности > 0,99 соответствует классу А IEC61000-3-2
  • Очень низкое потребление в режиме ожидания без подключенного аккумулятора < 200 мВт
  • Малогабаритная и удобная в использовании печатная плата размером 230 мм x 80 мм
  • Обеспечивает возможность гибкой настройки профиля процесса зарядки с использованием внешнего микроконтроллера
  • В целях безопасности зарядное устройство защищено от перегрузки по току и от короткого замыкания на выходных клеммах
  • Электромагнитная совместимость соответствует классу А стандарта EN55011

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The TI Design TIDA-00449 is a ready, tested hardware platform for 10 cells in series Battery Pack Monitoring, Balancing and Protection for Power Tools. Power Tools increasingly uses highly power dense Li-Ion or Li-Iron Phosphate cells based battery packs that need to be protected from explosion due to incorrect charging or discharging. The TIDA-00449 also achieves thermal requirements for power tool battery packs when discharging at high continuous current.

Возможности:

Battery pack designed for 36V (10 cell Li-Ion or Li-Iron Phosphate based), 50A max continuous discharge current Monitoring of cell voltages, pack current, pack temperatures, protection by controlling charge/discharge FETs and cell balancing Hardware protections for Overcurrent in discharge, Short circuit in discharge, overvoltage and under voltage Ultra-Small footprint, Low On-Resistance, Low Qg and Qgd FemtoFET MOSFETs on board for passive balancing current up to 150mA per cell Low quiescence current, ultra-low power state for shipment On board host microcontroller to enable implementation of Battery fuel gauging

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This TI Design uses Texas Instruments current shunt amplifiers, operational amplifiers (Op-Amp), ADCs, and digital isolators to provide current and voltage measurements for an on-board charger system in a hybrid-electric/electric vehicle. The measured current and voltage can be used as control signals for battery charging optimization. The design is capable of measuring high-side current at up to 400 V common-mode voltage, while being isolated from the AC portion of the charging circuit to reduce noise.

Возможности:

• High side current monitoring, up to 400V common mode, enables short to ground protection • Less than 5% current measurement error for the whole charging current range 1A to 10A • Less than 10uS over current detection • Up to 400V voltage monitoring with less than 5% error • Less than 10uS voltage step detection • 2000V safety isolation • High side current monitoring, up to 400V common mode, enables short to ground protection • Less than 5% current measurement error for the whole charging current range 1A to 10A • Less than 10uS over current detection • Up to 400V voltage monitoring with less than 5% error • Less than 10uS voltage step detection • 2000V safety isolation

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TIDA-00476 is comprised of a single DC-DC power stage, which can work as a synchronous buck converter or a synchronous boost converter, enabling bidirectional power flow between DC power source and energy storage system. Operating in synchronous buck mode, the system works as a MPPT controlled DC-DC converter which can charge a battery from a solar panel or DC Source. The same power stage can be operated as a synchronous boost to drive a DC load with configurable constant current and constant voltage limits (CC/CV), from an energy storage system such as lead acid battery. The power stage is digitally controlled by a MSP430 microcontroller, which implements the closed loop for controlling the power stage with required algorithms for MPPT, battery charge profiling and DC-Power conversion for load.

Возможности:

Single bidirectional power stage working as both synchronous buck battery charger and synchronous boost CC/CV converter. High efficiency of 95% as charger to store energy and 90% as CC/CV converter to power loads. Perturb & Observe (P&O) based MPPT tracking algorithm. Robust Power stage with built in protection for Overcurrent, Overvoltage and Reverse Polarity Connection. Fully tested and validated as a MPPT based lead acid battery charger and CC/CV converter with LED & resistive loads. Simple use PCB form factor of 85 x 50 mm. provides a ready platform for single stage bidirectional power conversion needs of energy storage, DC Home and low power UPS systems.

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This TPS65218-based reference design is a compact, integrated power solution for Xilinx® Zynq® 7010 SoC/FPGAs (out of the Zynq® 7000 series family of products). This design showcases TPS65218 as an all-in-one PMIC used to supply the five rails needed for powering the Zynq® 7010 SoC/FPGAs. The total board area needed for TPS65218, including passive components, to supply the five power rails to the Zynq® 7010 is just 1.594 in2. The TPS65218 has the flexibility to support either DDR3L or DDR3 memory. This power management IC can be run from a single 5V supply or from a single cell Li-Ion battery. This design is guaranteed to operate across an industrial temperature range (-40°C to 105°C).

Возможности:

Provides 5 supply rails to power the Zynq® 7010 in a compact 1.594 in2 area (includes passive components) TPS65218 offers 4 highly efficient DC-DC converters with integrated FETs and 1 adjustable general purpose LDO Includes an integrated, programmable sequencer for flexible power-up sequencing On-chip GPIOs can be programmed to power sequence additional discrete components, if needed Qualified for Industrial Applications (-40C to 105C) This design includes a test report, an EVM guide, and design files to help accelerate the evaluation process

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THe TIDA-00498 reference design features signal processing front-end and self-power block for electronic trip unit (ETU) used in circuit breakers. A FRAM based micro-controller is used for processing current inputs from signal conditioning amplifiers for 3-phase, neutral and ground current. Two gains are used to extend the range for phase current measurement. This reference design can also self-power using rectified current input. TIDA-00498 is desiged for fast and repeatable tripping (within 30mS) for wide current and temperature range.

Возможности:

Measures three currents (phase) with input range of (0.2 to 12 INOMINAL) and two current (Neutral, Earth) with (0.05 to 2 INOMINAL) within ±3% Uses TI’s MSP430™ FRAM MCU for Fast Startup, Startup Time Including One-Cycle RMS Computation is < 30 ms Undervoltage Sense Provides Approximate 200-μs Reset Time After Power-Up Self-Power Supply (Rectified Current Input Based) With MOSFET-Based Shunt Regulation

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This design demonstrates the implementation of a buspowered RS-485 application and allows to evaluate different filters for the DC power. This saves the cost and space for a separate power wiring.

Возможности:

Power over Bus for half-duplex RS-485 Evaluate different filters One board configurable as master or slave

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This design (TIDA-00540) allows for communication over RS-485 or RS-232 data buses without requiring separate wiring for each. Data lines are shared between two different transceiver types, and a single control signal is used to determine which protocol is to be used.

Возможности:

Same interconnects can be used for both RS-485 and RS-232 communication Easy control of active protocol On-board TVS diodes for protection against overvoltage transients Compact size and minimum number of components This circuit is designed and tested, and its performance is documented in a test report.

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Today's automotive power consumtion is 3KW, which will increase to 10KW in next 5 years and 12V batttary is unable to provide that much power. 48-12V bi-directional convertor provides high power requirement solution with two phases each capable of running 28A. This solution allows bidirectional current control of both phases using a C2000 control stick and firmware OCP & OVP. The 48-12V bi-directional converter removes the voltage conditioner need and distributes loads more evenly. The 48V battary is used to power high torque motors and other high power components such as A/C compressors and EPS, while no change to 12V battery loads.

Возможности:

Nominal 48V- 12V bidirectional power supply Dual Phase, each capable of running 28A load Can drive a total of 56A load 2 SM72295 for each phase One C2000 control stick card GUI monitoring and control power transfer; firmware OCP & OVP

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The TIDA-00647 TIDesign showcases a Sigma-Delta ADC BoosterPack for TI Launchpad and how to proceed to a fast prototyping evaluation with Energia leading analog performances evaluation within minutes. The generic fast prototyping is then taken through steps to build an example implementation for universal temperature input.

Возможности:

Energia control of ADS1220 Energia libraries to do data conversion Energia library for ADC code to temp conversion 24 bit Sigma-Delta ADC: ADS1220 Physical form factor in BoosterPack for compatibility with all TI LaunchPad Scalable from generic to specific evaluation within minutes

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The TIDA-00703 is a Digital Feedback controller board to convert analog power supplies into a real-time configurable Constant-Voltage Constant Current (CC-CV) source with dynamically variable output for performing complex battery charging profiles or driving CC/CV loads.This Reference design replaces the traditional analog feedback with a digital feedback. The Presence of an MCU in the feedback loop gives rise to real time monitoring and configuration capability along with an ability to implement non-linear control behavior.

Возможности:

Designed to convert existing analog feedback to digital feedback. Adds real time configurability to the power stage for changing output voltage and current. Can be programmed to control power stages for wide range of output voltage and current Low standby power consumption of less than 2-mA Option for high side and low side current sensing SOC estimation of the Battery when used to control a power supply as Battery charger. Provides redundant protections for Overcurrent, Overvoltage, and Over-temperature. Tested and Validated with a TIDA-00355 Power stage.

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The TIDA-00730 is an reference design examining how to protect an RS-485 bus against leathal transient waveforms such as IEC ESD, IEC EFT, and IEC surge. The reference design shows the level of protection that can be achieved through the implementation of a TVS diode on the bus lines of a standard RS-485 transcever as well as a RS-485 tranceiver with integrated IEC protection.

Возможности:

Board Level IEC ESD Evaluation Easy control of transceivers logic I/O pins PAD Site Evaluation Of Multiple TVS Diode Structures Series Pulse Proof Resistor Pads General Purpose Evaluation Module For Half-Duplex RS-485 Transceivers

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The TIDA-00738 TI design demonstrates a unique approach for extending the current measurement range using a single shunt and voltage measurement using AMC1304Mx5 Isolated Delta-Sigma (ΔΣ) modulator. With careful selection of a low value shunt resistor that minimizes power dissipation, a front end amplifier with low noise and by introducing two gain paths, both upper and lower current limit is extended. Accuracy of < ±0.5 % for both current and voltage measurement is achieved by interfacing the modulator output to AM437x host processor which performs the Sinc3 filtering.

Возможности:

Single Phase voltage and current measurement (shunt based) using isolated delta-sigma modulator (AMC1304Mx5) Measurement accuracy: AC Current: < ± 0.5% from 0.1A to 40A (or 60A) for In = 1A AC Voltage: < ± 0.5% from 10V to 300V AFE interfaced to host MCU (AM437x Sitara™ ARM® Cortex®-A9 Processor) which performs Sinc3 digital filtering using PRU-ICSS Onboard isolated ± 2.5V and +5.0V Power supply for AMC1304Mx5 and OPA188 using Transformer Driver and LDOs Designed to work from 0.1A to 60A (In=1A) and can be extended for wider range (In=5A) by changing Shunt and Gain values.

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Базовый дизайн TIDA-00835 позволяет производить точное измерение тока и напряжения с использованием биполярной конфигурации входа посредством четырёхканального 24-битного дельта-сигма АЦП с одновременными выборками и дифференциальным входом в широком динамическом диапазоне. АЦП настроен так, чтобы измерять биполярный вход ±2,5 В. Входы отмасштабированы до диапазона измерения АЦП ± 2,5 В с использованием усилителя с постоянным коэффициентом усиления. Аналоговое аппаратное средство объединяет два АЦП с помощью внешнего тактового сигнала для увеличения входных каналов до восьми, выборка по которым происходит одновременно. С увеличением количества измерительных каналов в модуле уменьшается общая стоимость системы.

 

Возможности:

  • Точный сбор информации в широком входном диапазоне с помощью четырёхканального 24-битного дельта-сигма АЦП с одновременными выборками
  • Увеличение количества каналов за счёт объединения нескольких устройств и одновременная выборка путём синхронизации с общим буферным тактовым сигналом
  • Высококачественное измерение тока с помощью трансформатора тока или катушки Роговского с аппаратным интегратором
  • Высококачественное измерение напряжения с использованием делителя потенциала без/с изолирующим усилителем (с базовой или увеличенной изоляцией)

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The design enables full duplex RS-485 communications over a single pair of conductors rather than four by utilizing bus contention. By adding small-valued serial resistors to the bus lines to limit currents, a tri-stated differential bus is allowed and the SN65HVD96 SymPol transciver can be used to detect a state of bus contention. Simple digital logic and analog filtering techniques enable both transceivers to drive and receive from eachother simultaneously without the need for 2 additional bus wires.
Возможности:

Full duplex differential signaling Up to 1Mbps data rate Requires only two bus wires Physical level implementation

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The TIDA-00879 TI-Design leverages the features, functions, performance, and state-of-the-art low power and power management capabilities of the MSP430F6736 MCU to demonstrate a highly integrated, low cost, and low power Digital Multimeter platform. The solution delivers 4.5 digits or 60K display count resolution, firmware-based True RMS and Real Power measurements, integrated LCD controller/driver subsystem, and over 600 hours of battery life with 3xAAA alkaline batteries, at extremely competitive system level costs.
Возможности:

Highly integrated system design solution 4 1/2 digit, 60K count resolution Low power design and power management systems Firmware-based true RMS and real power measurements

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The TIDA-00892 reference design provides a compact solution capable of generating isolated DC power while supporting isolated RS-485 communication. The design consists of a reinforced digital isolator with integrated power combined with an RS-485 communication transceiver.
Возможности:

Small Combination Solution (Equal to ISOW7841 Device Footprint) Single Power Supply Solution (No separate supply required for interface side) Reduced BOM Cost Extendable to Other Full-Duplex RS-485 Tranceivers

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Many products are now becoming connected through the Internet of Things (IoT), including test equipment such as digital multimeters (DMM). Enabled by Texas Instruments’ SimpleLink™ ultra-low power wireless microcontroller (MCU) platform, the TIDA-01012 reference design demonstrates a connected, 4½ Digit, 100kHz true RMS, DMM with Bluetooth® low energy connectivity, NFC Bluetooth pairing, and an Automatic Wake-Up feature enabled by TI’s CapTIvate™ technology.
Возможности:

4 1/2 digit, 50K count resolution Wireless MCU enabling bluetooth low energy (BLE) for IoT wireless Automatic wake-up enabled by CapTIvate capacitive touch technology Low power design and power management systems BLE mobile app pairing enabled by NFC dynamic interface Firmware-based true RMS measurements

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The need for lower power, lower noise analog front-ends (AFE) is becoming increasingly important in many applications today, such as data acquisition systems (DAQs), field instrumentation, Internet-of-Things (IoT), and automatic test equipment. In many cases, this need is highlighted by the advent of high resolution, high SNR, and low-power ADCs, similar to TI's 24-bit ADS127L01 Delta-Sigma ADC, supported by complimentary low-power, low-noise AFEs. These new solutions will allow system designers to integrate a higher number of channels in data acquisition, wireless metering, and field instrumentation systems. Improved ADC and AFE design solutions will also provide better support and improve numerous power sensitive IoT applications. The TIDA-01013 reference design demonstrates a complete low power, low noise AFE and ADC solution designed to enhance power sensitive applications.
Возможности:

Low power, low noise AFE design for 24-bit delta-sigma ADC DAC systems SNR: 104dB ENOB: 19.1 bits Power consumption: 41mW Up to +/-10V input signal

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The TIDA-01051 reference design is used to demonstrate optimized channel density, integration, power consumption, clock distribution and signal chain performance of very high channel count data acquisition (DAQ) systems such as those used in automatic test equipment (ATE). Using serializers, such as TI’s DS90C383B, to combine many simultaneously sampling ADC outputs into several LVDS lines dramatically reduces the number of pins the host FPGA must process. As a result, a single FPGA can process a significantly increased number of DAQ channels and board routing complexity is greatly reduced.
Возможности:

Two 20 bit SAR ADC channels (expendable up to 28) Three level MUX tree (up to 64 channels per ADC) Highlights throughput improvements using serialized ADC output data Modular front-end reference design for high channel count systems that can be repeated Up to +/-12V input signal (+/-24Vpp differential)

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The TIDA-01052 reference design aims to highlight system performance increases seen using a negative voltage rail on the analog front end driver amplifiers rather than ground. This concept is relative to all analog front ends, however this design is aimed specifically at automatic test equipment.
Возможности:

Negative rail input (NRI), rail-to-rail output (RRO) Wide output common-mode control range Low power consumption High THD, SNR, and ENOB Dual supply on AFE maximizing system performance

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The TIDA-01054 reference design helps eliminate the performance degrading effects of EMI on Data Acquisition (DAQ) systems greater than 16 bits with the help of the LM53635 buck converter. The buck converter enables the designer to place power solutions close to the signal path without the unwanted noise degradation of EMI while saving board space. This design allows for a system SNR performance of 100.13 dB using a 20-bit, 1-MSPS SAR ADC, which almost matches the 100.14 dB SNR performances when using external power sources.
Возможности:

Power design minimizing DC to DC EMI impact on system performance Two 20-bit SAR ADC channels Modular front-end reference design for high channel count systems that can be repeated Up to +/-4V input signal (8Vpp differential)

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The TIDA-01088 reference design implements power quality parameter measurement in a polyphase energy measurement system. Total harmonic distortion (THD), fundamental readings, and standard metrology parameters such as active and reactive energy and power are calculated. Phase to phase angles are also calculated to help prevent incorrect installation of the system. This design uses isolated shunt current sensors to maintain accuracy in harmonic analysis and also immunity from magnetic tamper attacks.
Возможности:

Class 0.5% Three-phase metrology with galvanically isolated shunt current sensors Isolation performance of up to 1-kV AC (working voltage) and 7 kV (Peak) Total Harmonic Distortion (THD) calculated for Voltage and Current Voltage Sag and Swell events logged with programmable threshold levels Phase to Phase angle measurement for determining phase sequence to help prevent incorrect installation of system Complete Energy Library with Fundamental Voltage and Current, Fundamental Active and Reactive power, Active and Reactive Energy, Root Mean Square(RMS) Current and Voltage, Power Factor, and Line Frequency

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The TIDA-01090 reference design enables half-duplex communication over an RS-485 bus without requiring additional driver-enable/receiver-enable controls. The design allows for the transceiver used on each node to go into transmit mode automatically when data is being transmitted from a local Microcontroller (MCU) or Universal Asynchronous Receiver/Transmitter (UART) and then transition back into receive mode once the data frame is complete.
Возможности:

Automatically enables an RS-485 driver when data is output from an MCU or UART Transitions RS-485 transceiver into receive mode when data is not being transmitted Works with any RS-485 transceiver Low-cost due to minimal number of components Adjustable data frame length via passive component selection

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High serial cell count battery (>15s) systems are becoming more and more common for industrial applications. These applications are cost sensitive and require a simple solution that includes monitoring, protection, and control or even SOC (State of Charge) information rather than only basic independent hardware protection. This design offers a platform for the complete pack side solution. All independent hardware protection features are incorporated from the bq76930 and a robust communication interface is implemented for host device to read the battery information.
Возможности:

Supports 16-Series to 20-series cell application All independent hardware protecting function inherited from bq76930 Charger insertion detectable Load removal detectable Isolated differentiated CAN PHY for communication with host system Supports up to 128k baud rate UART communication with external host

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The TIDA-01168 reference design is a four-phase, bidirectional DC-DC converter development platform for 12-V/48-V automotive systems. The system uses two LM5170-Q1 current controllers and a TMS320F28027F microcontroller (MCU) for the power stage control. LM5170-Q1 subsystems use average current feedback for current control whereas the C2000™ microcontroller provides voltage feedback. Such a control scheme eliminates phase current balancing typical for multiphase converters. A system based on LM5170-Q1 allows a high level of integration, which reduces printed-circuit board (PCB) area, simplifies design, and speeds up development.
Возможности:

12V input voltage range: 6V to 18V 48V input voltage range: 24V to 54V Reverse polarity, overcurrent overvoltage and overtemperature protection Multiphase scalable option Highly integrated solution using automotive qualified components

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The TIDA-01171 reference design allows for RS-485 communication over an AC-coupled link, even at very low data rates. This allows for nodes to communicate even when large ground potential differences exist between nodes. Using AC coupling also helps to protect transceivers from bus faults that can result in direct shorts to high-voltage power supplies.
Возможности:

Provides functional isolation of RS-485 data links through series AC-coupling capacitors Operates at data rates up to 1 Mbps Works with existing MCU/UART interfaces Uses only two wires for data transmission (no grounding wires are needed)

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The TIDA-01255 design is built for isolated CAN communication, which is widely used in automotive environments. In hybrid and electric vehicles (HEV/EVs), a complete high-voltage network is floating with respect to the chassis ground. Isolation is required for the power and communication channels interfaced between floating high- to low-voltage systems. The TIDA-01255 design supports applications with a simple isolated transformer driver to transfer power. This TI Design has a low-transmission delay, which reduces the loop delay and supports higher baud rates of the CAN.
Возможности:

Flexible high-speed CAN communication Low loop delay (typically 136 ηs) to support high-speed arbitration rates 750-mW power transfer with 3-kV isolation ±70-V bus fault protection Compliant with ISO 11898-2 CAN standard

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The Bidirectional RS-485 Fan-Out Hub Reference Design (TIDA-01365) documents and tests an RS-485 fan-out hub design where 1:N and N:1 RS-485 signals are aggregated in and out of any bus topology. This design also features automatic direction control, for reduced pin count on microcontrollers, and a DC-to-DC converter using the 24V DC rail typically seen in industrial applications.
Возможности:

Allows for bidirectional communication over complex network topologies One master node / Four slave nodes Direction of data automatically controlled (no MCU needed) Supports cable lengths > 1000 m

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This high EMC immunity reference design demonstrates a RS-485 transceiver to use on both the drive and within encoders such as: EnDat 2.2, BiSS®, Tamagawa™, etc. EMC immunity, particularly immunity against inverter switching noise, is important for position encoder feedback systems within industrial drives. This design supports a wide input voltage range (used as output voltage to the encoder) from 5 to 15 V (12 V nom) in order to meet the wide supply range of encoders. The power supply of this design includes protection against overvoltage and short circuit according to the selected encoder’s voltage range to prevent damage during a cable short. The BoosterPack™ plug-in module form factor with connector compatible to TI LaunchPad™ development kit is included for easy evaluation of EnDat, BiSS, and other systems with the C2000™ MCU. This reference design has been tested up to 100-m cable length with EnDat 2.2 encoders.
Возможности:

5-V, half-duplex RS-485 transceiver (THVD1550), 50-Mbaud, with 16-kV IEC-ESD and 4-kV EFT eliminates cost for external ESD components Design achieves highest immunity within industry against IEC 61000-4-4 fast electrical transients Supports 4-wire RS-485 interface standards such as EnDat2.2, BiSS or 2-wire interfaces standards such as Tamagawa™ Hardware can be used as both a drive and an encoder interface due to configurable clock direction Designed to meet IEC 61800-3 EMC immunity

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CAN and CANopen are legacy fieldbus protocols used in many applications in factory automation. Whenever high voltage could damage the end equipment there is need for isolation. This isolated CAN flexible data (FD) raterepeater reference design adds electrical isolation between two CAN bus segments. The CAN frames on either bus segment side are repeated to the other side. The CAN transceiver and arbitration logic in this TI design support CAN FD speed up to 2Mbps. The TI design is supplied by a wide range voltage supply between 6V to 36V.
Возможности:

Isolated CAN FD transceiver with 3000 VRMS isolation rating Support classic CAN and 2 Mbps CAN FD Single 24V industrial supply Wide supply voltage range of 5V to 36V Onboard generation of isolation voltages

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This reference design is a 450W high-efficiency and super transient AC/DC converter for desktop PC PSUs, gaming PC PSUs, entry-level server PSUs, and other low-cost AC/DC PSUs. The circuit consists of a front-end continuous conduction mode (CCM) power factor correction (PFC) circuit, followed by an LLC-based second stage. The design uses the UCC28180 controller for the PFC stage and UCC256301 controller for the LLC stage to achieve a compact and robust control structure. Synchronous rectification based on the UCC24612 and low RDS(on) FETs aids in achieving higher efficiencies. This reference design can be used as an AC/DC supply in many applications demanding efficient and super transient power conversion.
Возможности:

Peak efficiency 93% @ 230VAC for whole stage Full power delivery across wide AC input range: 85 - 265VAC Leading transient performance (half duty-cycle response for line transient and dynamic load) Single layer PCB design to achieve low solution cost Robust protection built in

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The TIDEP0070 reference design describes system considerations for Dual Data Rate (DDR) memory interface with Error Correcting Code (ECC) support in high-reliability applications, based on the 66AK2G02 Multicore DSP + ARM processor System-on-Chip (SoC). It enables developers to implement a high reliability based solution rapidly by discussing system interfaces, board hardware, software, throughput performance and diagnostic procedures.
Возможности:

Optimized high speed signal routing Surface-mount PCIe x1 socket Example of AC coupling capacitor placement Example of recommended differential pair spacing

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Vienna rectifier power topology is used in high power three phase power factor (AC-DC) applications such as off-board electric vehicleEV chargers and telecom rectifiers. Control design of the rectifier can be complex. This design illustrates a method to control the power stage using C2000™ microcontrollers. The hardware and software available with this design helps accelerate your time to market. The Vienna rectifier power topology is used in high power three phase power factor correction applications such as off-board electric vehicle charging and telecom rectifiers. This design illustrates how to control a Vienna rectifier using C200-MCU. Learn more about what C2000 MCUs have to offer for electric vehicle applications

Возможности:

Greater than 98% peak efficiency Less than 2% THD at full load and low line powerSUITE software support for easy adaptation of software for a customized power level SFRA enables in circuit verification of control loop designed Up to 2.4KW design with three phase 400Vac VL-L Input

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This reference design implements a smart meter data collector with protocol conversion between Meter Bus (M-Bus) and RS-485 networks. M-BUS and RS-485 networks can be mixed together in some network domains, requiring bridging capability to fully integrate the system. This design becomes an intermediate node that collects M-BUS data packets from individual flow meters and formats them for transmission across a larger RS-485 network to the primary data concentrator.
Возможности:

Simple data collector with protocol conversion between M-Bus and RS-485 transceiver for cost-constrained applications Isolated power supply output 24V to provide sufficient power for M-Bus master module to support more than 100 M-Bus slaves, 3.3V to power MSP432, and 5V to power RS-485 signal chain Tested +/-2KV IEC61000-4-4 EFT, +/-12KV IEC61000-4-2 ESD, and CISPR22 Class-B conducted emission The reference design EVM with extra pinouts (for SPI, UART, and GPIO) and the software examples allow ease of evaluation to support other wireless and wired communication protocols

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The Bidirectional 400V-12V DC/DC Converter Reference Design is a microcontroller-based implementation of an isolated bi-directional DC-DC converter. A phase shifted full-bridge (PSFB) with synchronous rectification controls power flow from a 400V bus/battery to the 12V battery in step-down mode, while a push-pull stage controls the reverse power flow from the low voltage battery to the high voltage bus/battery in boost mode. In this implementation closed loop control for both directions of power flow is implemented using Texas Instruments 32-bit microcontroller TMS320F28035, which is placed on the LV side. This digitally-controller system can implement advanced control strategies to optimally control the power stage under different conditions and also provide system level intelligence to make safe and seamless transitions between operation modes and PWM switching patterns.

Возможности:

Digitally-controlled isolated bidirectional DC/DC converter based on the TMS320F28035 microcontroller 300W rated output operation in either direction High voltage DC input: 200-400V Low voltage DC output: 9-13.5.V (nominal 12V) Seamless on-the-fly transitions between buck and boost modes Complete software package (please see link below for software download instructions)

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Данное решение - двунаправленный неизолированный повышающий/ понижающий преобразователь, идеальный для применения в солнечных преобразователях, в гибридных автомобилях (в том числе с регенерацией или рекуперацией) и для зарядки аккумуляторов.

Возможности:

  • Высокая эффективность, КПД более 95%
  • Частота преобразования 250 кГц, что позволяет применять менее габаритные компоненты и уменьшить габариты печатной платы
  • Для разных приложений реализовано три режима контроля:
    1. контроль выходного напряжения
    2. контроль MPPT (контроль входного тока)
    3. контроль обратного напряжения
  • Решение включает в себя программное обеспечение Software Frequency Response Analyzer (SFRA) для измерения частоты и стабильности работы преобразователя
  • Контроль и управление реализованы на микроконтроллере C2000™ Piccolo™ TMS320F28035
  • Данное решение включает в себя руководство пользователя, ПО для управления, ПО Software Frequency Response Analyzer (SFRA) с графическим интерфейсом, схемы, файлы печатной платы и перечень компонентов

Примечание: программное обеспечение для этой платы входит в состав controlSUITE™ для микроконтроллеров C2000. СкачатьcontrolSUITE можноздесь: http://www.ti.com/tool/controlsuite. После установки перейдите в пункт "Bi-Directional Non-Isolated Buck Boost Converter" в Development Tools -> Digital Power.

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Документация:
  • Схемотехника
  • BOM
  • Топология платы
  • Тестирование
Описание:
This design implements a non-isolated DC/DCbuck converter that is digitally controlled using a C2000(TM) Microcontroller. The main purpose of this design is to evaluate the powerSUITE Digital Power Software tools. The design consists of two separate boards: 1) Digital Power Boosterpack and 2) C2000 F28069M Launchpad or C2000 F28377S LaunchPad. All of the design files, software, and documentation are included in the C2000 MCU family's controlSUITE™ software suite in the Digital Power Buck Converter BoosterPack application kit folder.

Возможности:

9V input, 2V output DC/DC Buck Converter for simple evaluation of the C2000 digital power software architecture Software-controlled dynamic load for measuring transient response Supported by powerSUITE Digital Power Software Tools for quick adapation of firmware to a custom hardware design This design is provided a both a reference design and an orderable kit which are tested and include powerSUITE GUI support, demo code examples and Getting Started guide.

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Документация:
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Описание:
This reference design showcases the performance of the low-energy accelerator (LEA) on MSP430™ FRAM microcontroller (MCUs) in performing advanced filtering and signal processing while maintaining ultra-low power on a 16-bit MCU. The LEA provides a boost of 13.8x over a traditional C implementation for a 256-point complex FFT. LEA also provides real-time FIR filtering performance at a high audio sampling rate of 20 kHz.
Возможности:

Real-time FFT comparing non-accelerated to accelerated performance Real-time FIR filtering with several pre-set filter coefficients

Документация:
  • Даташит
  • Схемотехника
  • BOM
Описание:

Данный проект представляет собой цифровой однофазный полномостовой DC/AC инверторный каскад, подключаемый к электрической сети, для использования в центральных или строковых инверторах для солнечных батарей. Он является дополнением к проекту TIDM-SOLAR-DCDC от TI, аппаратному DC/DC-преобразователю с отслеживанием точки максимальной мощности (MPPT). Вместе TIDM-SOLAR-DCDC и TIDM-SOLAR-ONEPHINV представляют собой законченный инвертор для солнечных батарей для применений в центральных или строковых топологиях. Микроконтроллер (MCU) F28M35H52C семейства C2000™ - это цифровой контроллер для полномостового DC/AC инверторного каскада, эффективно справляющийся со своей основной задачей вкупе с реализацией функции удалённого управления на базе Ethernet и мониторингом инвертора. Выход инвертора привязан к электрической сети и имеет защиту от генерации энергии при отключении сети. Данный проект имеет коэффициент нелинейных искажений (THD) на уровне менее 5%, а также КПД при полной нагрузке свыше 96%, что повышает количество передаваемой системой энергии от солнечной установки, уменьшает потери на рассеивание тепла в инверторе и увеличивает срок его службы.

 

Возможности:

  • Реализует управление однофазным полномостовым DC/ AC инвертором, подключаемым к электрической сети, с защитой от генерации энергии при отключении сети
  • МК F28M35H52C семейства C2000™ выполняет роль высокопроизводительного контроллера для DC/AC-инвертора в высокочастотных контурах управления силовыми каскадами и схемах выдачи энергии в электрическую сеть, а также реализующий функции удалённого управления на базе Ethernet и мониторинга инвертора
  • Регулируемые выходы (120/ 220 В переменного тока) вплоть до 600 Вт, что удовлетворяет требованиям мирового рынка солнечной энергетики
  • Пиковое значение КПД свыше 96%, а также коэффициент нелинейных искажений на уровне менее 5% приводят к повышению количества передаваемой системой энергии и увеличению срока службы инвертора
  • Программные библиотеки для солнечной энергии и цифрового питания включают в себя блоки оптимизированного кода для построения различных топологий питания и алгоритмов, таких, как отслеживание точки максимальной мощности (MPPT) и программная фазовая автоподстройка частоты (PLL), что прекрасно подходит для создания частных решений инверторов для солнечных батарей
  • Полнофункциональный базовый проект включает в себя программные и аппаратные файлы проекта, графический интерфейс для быстрого старта и подробную документацию

ВНИМАНИЕ: программное обеспечение для данной платы находится в наборе программного обеспечения controlSUITE™. Скачайте controlSUITE по адресу http://www.ti.com/tool/controlsuite. Установив набор, выберите пункт «High Voltage Solar DC/AC Inverter Kit» по следующему пути: Development Tools -> Solar section.

Документация:
  • Схемотехника
  • BOM
  • Тестирование
Описание:
This reference design demonstrates how to implement and interface Non Volatile Memory and SDRAM to the performance microcontroller TM4C1294NCPDT in TM4C product family. The implementation is made possible by using the EPI Interface of the Microcontroller to interface a 256Mbit SDRAM at 60MHz and QSSI Interface at 60MHz for Non Volatile Memory's like SD Card and Quad Serial Flash which allows developers to expand code and data space above the maximum Internal Memory of the TM4C1294 microcontroller.

Возможности:

Extend the useable memory space to 512Mbit, 16-bit SDRAM with the 60MHz External Peripherial Interface (EPI) for high memory throughput and footprint applications Designed for (formerly Tiva MCU) EK-TM4C1294XL Connected LaunchPad http://www.ti.com/tool/ek-tm4c1294xl Implements Serial Interface boot loaders for SD Card or Quad Serial Flash Non Volatile Memory Additional Support for Quad Serial Flash Mode command for custom implementation of Bare Metal External Memory Loggers Source code contains project examples for Code Composer Studio

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Документация:
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  • Топология платы
Описание:

Этот референс дизайн показывает, как подключить SDRAM память к производительному микроконтроллеру TM4C129XNCZAD. Реализация стала возможной благодаря интерфейсу EPI микроконтроллера для взаимодействия 256 Mbit SDRAM at 60 MHz, что позволяет разработчикам использовать дополнительную память для программ и данных при взаимодействии с высокоскоростными ЖК-панелями.

 

Возможности:

  • Предназначен для DK-TM4C129X EVM со встроенным Smart QVGA;
  • ЖК дисплей для обработки графики;
  • Расширение используемого пространства памяти до 512 Мбит, 16-bit SDRAM с 60 МГц интерфейсом EPI;
  • Библиотека драйверов компонентов для упрощения разработки программы;
  • Исходный код содержит проекты для Code Composer Studio.

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Документация:
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  • Топология платы
Описание:

Данный базовый проект прецизионных весов обеспечивает разрешение, превышающее 50000 отсчётов без шумов. Ошибки смещения и дрейфа смещения практически сведены к нулю благодаря возбуждению AC-моста. Данный проект получил все преимущества дельта-сигма АЦП с высоким разрешением ADS1262.

Возможности:

  • Решение для весов с разрешением, превышающим 50000 отсчётов без шумов
  • Диапазон рабочих температур: от -40 C до +125 C
  • Уровень суммарной ошибки менее 1 мкВ во всём температурном диапазоне
  • Напряжения питания АЦП и возбуждения моста: 5 В
  • Выходное напряжение моста: от 0 до 10 мВ
  • Программное обеспечение включает в себя пример кода для ADS1262
  • Надёжный базовый проект включает в себя теоретический материал, полный анализ ошибок и подбора компонентов, результаты симуляции, файлы печатной платы, пример кода и полученные на практике данные, коррелирующие с теорией и симуляцией.

Документация:
  • Даташит
  • Схемотехника
  • BOM