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Топология: обратноходовая;
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Входное напряжение: ~ 90-265 В;
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Эффективность: 91,0% при 230 В, 89,5% при 120 В;
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Недорогая однослойная плата.
Дискретные компоненты, силовые модули - Решения
This circuit uses a parallel-to-series topology that dynamically adjusts LED load voltage as the instantaneous bridge output voltage varies. While a switch-mode power supply such as a buck converter reconfigures the input voltage to match the load, this circuit reconfigures the load to match the input voltage. When the instantaneous input voltage is relatively low, the LEDs are configured in parallel. When the instantaneously input voltage is relatively high, the LEDs are configured in series.
The circuit is designed for input voltages between 100 VAC and 140 VAC . ON Semiconductor CCRs are used to provide constant LED current and to protect LEDs from over-voltage conditions. The circuit employs an additional CCR (shown as CCR2) to increase LED current at high voltages for improved efficiency, PF, and THD performance.

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- Тестирование

- 120 and 230 VAC Off-line Regulation
- Typical Output Current of 10 mA
- Maximum Output Current Thermally Limited
- Transient Survivability of 2.5kV
- Overtemperature Protection
- Output Voltage Range of 3V to 5V
- Three Selectable LDOs:
- MCP1754 (3.3V)
- MCP1755 (5.0V)
- MCP1790 (3.0V)
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Power Supply needed:
Digi-Key
Mouser

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- Схемотехника
- Програмное обеспечение
- BOM
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Power Supply needed:
Digi-Key
Mouser

- Схемотехника
- BOM
- Топология платы
The CCRGEVB is an evaluation board used to demonstrate some very simple, elegant, and cost effective solutions using ON Semiconductor's Constant Current Regulator. The board is divided into four general circuits, and contains 7 CCR's. There is also a LowVce BJT with two 4.7kΩ resistors for PWM dimming. Also included is a 1Ω current sense resistor.

- Схемотехника
- BOM
- Топология платы
- Тестирование
Power Supply needed:
Digi-Key
Mouser

- Схемотехника
- BOM
- Топология платы
The Dual Stepper Motor Driver Shield Evaluation Board evaluates the AMIS30543, a microstepping stepper motor driver for bipolar stepper motors. It has an on chip voltage regulator, reset output and watchdog reset able to supply peripheral devices. The chip is connected through IO pins and a SPI interface with an external microcontroller that is regulated through the PCA9655E's 16 bits of General Purpose parallel Input and Output (GPIO) expansion.
The AMIS-30543 is a micro-stepping stepper motor driver for bipolar stepper motors. The chip is connected through I/O pins and an SPI interface with an external microcontroller. It has an on chip voltage regulator, reset?output and watchdog reset, able to supply peripheral devices. AMIS-30543 contains a current?translation table and takes the next micro?step depending on the clock signal on the "NXT" input pin and the status of the "DIR" (=direction) register or input pin.
The chip provides a so-called "speed and load angle" output. This allows the creation of stall detection algorithms and control loops based on load-angle to adjust torque and speed. It is using a proprietary PWM algorithm for reliable current control. The chip is fully compatible with the automotive voltage requirements. The AMIS-30543 is ideally suited for general-purpose stepper motor applications in the automotive, industrial, medical, and marine environment. With the on-chip voltage regulator it further reduces the BOM for mechatronic stepper applications.

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Evaluation Board developed for 1ED44176N01F - EiceDRIVER™ 25 V low-side gate driver with integrated over-current protection (OCP) and enable/ fault output indication. The board contains one comparator, which is designed as a pulse generator, and one 1ED44176N01F to drive a SOT235-package MOSFET switch connected with an adjustable resistance load (potentiometer-R3).The MOSFET controls the turn-on or turn-off of the resistance load. Rotating the potentiometer, changes the loop current when the MOSFET is on, then gets the different voltage on the shunt resistor (R7). The two LEDs on the board show the different working status of 1ED44176N01F. If the green LED lights up, the 1ED44176N01F is working in normal operation mode. If the red LED lights up, the 1ED44176N01F is in fault condition mode.
EVAL-1ED44176N01F is available from Infineon in sampling quantities.

- 0.5 V Over-current threshold with accurate ±5% tolerance
- Over-current detection with positive voltage input
- Single pin for fault output and enable
- Programmable fault clear time
- Under voltage lockout
- CMOS Schmitt-triggered inputs
- 3.3 V, 5 V and 15 V input logic compatible
- Output in phase with input
- Separate logic and power ground
- 2 kV ESD HBM
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- Схемотехника
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Решение представляет собой плату 40-ваттного источника питания, предназначенную для разработки и отладки недорогих зарядных устройств и адаптеров питания. Решение демонстрирует работу с CoolMOS P7 700 В, а так же общую схему контроллера. Отладочная плата предназначена для квазирезонантного обратноходового контроллера Infineon ICE2QS03G, обладающего низкими потерями при переключениях и позволяющего увеличить плотность мощности и уменьшить тепловыделение.
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25W-500W Scalable Output Power Class D Audio Power Amplifier Reference Design. Using the IRS2092 Protected Digital Audio Driver
Benefits:
- 250 W x 2 channels, (THD=1%, 1kHz, 4 Ohms)
- 0.05% THD+N distortion @ 120W, 4 Ohms
- Residual noise 200 µV, IHF-A weighted, AES-17 filter
- All through-hole components on single layer PCB
- OCP, OVP, UVP, DC protection and OTP
- Half bridge/ full bridge selector
- Featuring IRS2092 Gate Driver IC and IRFI4019H-117P MOSFETs
Target Applications:
- Class D Audio

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This reference design demonstrates how to use the IRS2092 Class D audio driver IC, along with IR’s digital audio dual MOSFETs, such as IRFI4024H-117P, IRFI4019H-117P, IRFI4212H-117P and IRFI4020H-117P, on a single layer PCB.
The design shows how to implement peripheral circuits on an optimum PCB layout using a single sided board. The resulting design requires a small heatsink for normal operation (one-eighth of continuous rated power).
The reference design provides all the required housekeeping power supplies and protections.
NOTE: Unless otherwise noted, this user’s manual is based on the 150 V model, IRAUDAMP7S-150. Other output power versions can be configured by replacing components given in the component selection of Table 5 on page 36.

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- Тестирование
CFL Ballast for 26W/Spiral Lamp, 220VAC Input

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- Програмное обеспечение
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Size: 50mm x 50mm x 19mm

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- Тестирование
The page for the Kit(NV78763RLA11GEVK) can be found by clicking here.


- Схемотехника
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The STEVAL- ISA032V1 demonstration board accepts a wide range of input voltage (88 to 265 Vac) and delivers a single 9 V output with a power capability of up to 50 W continuous, and 60 W peak, making it also capable of providing power to a thermal printer.

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- Схемотехника
The demonstration board has been designed and developed in order to address medium power applications. The board features two outputs, 24 V, 5V or 3.3 V, and is able to deliver more than 100 W in total.
The 5 V/3.3 V output is obtained by means of an integrated DC-DC converter based on L5970D, connected to the 24 V output, and adjustable by means of an external voltage divider.
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- Схемотехника
The STEVAL-TDR001V1 is a two stage RF power amplifier which includes a low pass output filter for harmonics rejection specifically designed for portable two-way UHF radio communication.

- Beo free amplifier
- VAPC 5 V max
- RoHS compliant
- Harmonics level < -70 dBc
- Input power < 10 dBm
- Excellent thermal stability
- Supply voltage: 7.2 V
- Frequency: 380 - 512 MHz
- Current < 1.6 A
- Load mismatch 20:1
- Output power: 4 W
- Даташит
- BOM
- Топология платы
The STEVAL-TDR003V1 is a 2-stage RF power amplifier including output low-pass filter (LPF) for harmonics rejection, specifically designed for portable two-way VHF radio communication.

- BeO free amplifier
- VAPC 5 V max
- RoHS compliant
- Harmonics level < -70 dBc
- Input power < 10 dBm
- Excellent thermal stability
- Supply voltage: 7.2 V
- Frequency: 135 - 175 MHz
- Current < 1.5 A
- Load mismatch 20:1
- Output power: 5 W
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- Топология платы
The STEVAL-TDR006V1 is a two stage RF power amplifier which includes a low pass output filter for harmonics rejection specifically designed for portable two-way UHF radio communication.

- BeO-free amplifier
- VAPC 5 V max
- RoHS compliant
- Harmonics level < -70 dBc
- Input power < 10 dBm
- Excellent thermal stability
- Supply voltage: 7.2 V
- Frequency: 400 - 470 MHz
- Current < 1.4 A
- Load mismatch 20:1
- Output power: 4 W
- Даташит
- BOM
- Топология платы
The STEVAL-TDR007V1 is a 200 W RF power amplifier intended for IFF - 1030 MHz interrogator using PD57002-E + PD57018-E + 2 x PD57060-E N-channel lateral MOS field-effect transistors.
AB-2x57060-1030 is designed in cooperation with ETSA in France.

- Harmonics < -45 dBc
- Input power: 23 dBm
- RoHS compliant
- N-channel enhancement-mode lateral MOSFETs
- Frequency: 1030 MHz
- Excellent thermal stability
- Peak power: 200 W typical
- Rise and fall time < 100 ns
- Supply voltage: 36 V
- Даташит
The STEVAL-TDR013V1 demonstration board uses the PD84002 LDMOS transistor and is designed for a UHF RFID reader and 2-way radio applications.
For additional information on the PD84002, please refer to its datasheet.

- Excellent thermal stability
- Frequency: 860 - 960 MHz
- Supply voltage: 7.2 V
- Output power: 2 W
- Power gain: 13.9 В± 0.5 dB
- Efficiency: 60 % - 63 %
- Load mismatch: 20:1
- BeO-free amplifier
- RoHS compliant
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- BOM
- Топология платы
The STEVAL-TDR014V1 is a demonstration board using the PD55008-E common source N-channel enhancement-mode lateral field effect RF power amplifier. It is designed as a driver for UHF mobile radio applications.

- Excellent thermal stability
- Frequency: 400 - 500 MHz
- Supply voltage: 12.5 V
- Output power: 8 W
- Efficiency: 48 % - 54 %
- Load mismatch: 20:1
- BeO-free amplifier
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- BOM
- Топология платы
The STEVAL-TDR016V1 is a common source N-channel enhancement-mode lateral field effect RF power amplifier designed for VHF marine radio application.

- Excellent thermal stability
- Frequency: 155 - 165 MHz
- Supply voltage: 20 V
- Output power: 30 W
- Power gain: 14.7 В± 0.3 dB
- Efficiency: 60% - 72%
- Load mismatch: 20:1
- Beo free amplifier
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The STEVAL-TDR019V1 is a demonstration board using the PD85004 LDMOS transistor. It is designed for 2-way radio applications.

- Excellent thermal stability
- Frequency: 860 - 960 MHz
- Supply voltage: 13.6 V
- Output power: 4 W
- Power gain: 17.4 В± 0.3 dB
- Efficiency: 56 % - 65 %
- Load mismatch: 20:1
- BeO-free amplifier
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- BOM
- Топология платы
The STEVAL-TDR027V1 demonstration board is a portable UHF 2-way radio designed as a platform for evaluating the performance of the PD84008L-E LDMOS RF power transistor.

- Excellent thermal stability
- Frequency: 740 - 950 MHz
- Supply voltage: 7.2 V
- Output power: 4 W
- Power gain: 12.3 В± 0.3 dB
- Efficiency: 50 % - 57 %
- Load mismatch 20:1
- BeO free amplifier
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- BOM
- Топология платы
Базовый проект имеет характер аппаратно-программного решения.
- Адаптируемая под широкий ряд систем автоматизации зданий подсистема
- Для управления любым количеством (до 8) каналов требуются всего лишь 3 GPIO-вывода
- Возможность расширения до требуемого количества управляемых каналов
- Возможность адаптации под широкий ряд управляемых устройств: шаговые двигатели, реле, светодиоды
- Высоковольтные (до 50 В) и высокоточные (до 500 мА на канал) управляемые выходы
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В базовом проекте производится преобразование сопротивления терморезисторов (RTD) в напряжение с уровнем, удобным для использования в качестве входа АЦП. Прецизионный источник опорного тока производит возбуждение, а инструментальный усилитель масштабирует сигнал. В данном проекте также используется конфигурация с трёхпроводным RTD для минимизации ошибок, связанных с сопротивлением проводников.
Данный базовый проект имеет характер аппаратного решения.

- Преобразование сопротивления терморезистора в напряжение
- Диапазон выходного напряжения от 0 В до 5 В во всём температурном диапазоне
- Отсутствие ошибок, связанных с сопротивлением проводников
- Возможность изменения набора дискретных резисторов
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This circuit uses active switching to change how the load is being driven. The LED load will either be driven from the capacitor, C1, discharging, or directly from the AC source. The CCR ensures a constant current through the LED throughout all modes of operation. The switching point of the circuit may be changed by varying the resistor, R1. Changing this switching point will change the amount of time the capacitor is charging. If a higher power output is desired a higher current CCR can be used and the switching point will need to be changed. A metal oxide varistor and fuse are designed into the circuit for surge protection purposes.

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*Информация о ценах и сроках поставки носит информационный характер. Офертой является только выставленный счет.