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Оптические модули

Описание:
This verified reference design is a signal conditioning solution for front-port QSFP+ supporting two 40GbE ports compatible with 40G-CR4/SR4/LR4 and 10G SFF-8431 requirements. The design is applicable to optical and passive/active copper cables. It allows for reach extension between the Switch ASIC and the front-port QSFP+ which is often required for the outermost ports of a Top-of-Rack (ToR) switch or for add-in mezzanine implementations of QSFP+ line cards.

Возможности:

Front-port stacked QSFP+ implementation with signal conditioning to support 40GbE/10GbE optical and passive copper Extends reach between Switch and front-port by up to 3x beyond nPPI/SFF-8431 host channel loss limit Low-power/low-cost solution for front-port signal conditioning Applicable to Top-of-Rack (ToR) switch and line card systems Single power supply, no firmware required, no heatsink required, no reference clock required Lab-tested HW example including 40GbE/10GbE-specific test data

Документация:
  • Даташит
  • Схемотехника
  • BOM
Описание:
The TIDA-01405 design demonstrates an inverting power module (voltage inverter) to generate a –1.8V rail at up to 2A of current from a 3V to 15.2V input voltage. Such a negative voltage is required for many communications equipment systems as well as industrial equipment, such as test and measurement. Using the TPS82130 power module enables a very simple negative voltage inverter (inverting buck-boost) design to create a 1.8V negative output voltage at high 2A currents.
Возможности:

Simple Power Module Design Total Solution Size Less Than 50mm2 High Output Current of 2A (VIN ≥ 5V) Wide Input Voltage Range of 3V to 15.2V Low Noise (Less Than 10mV Output Ripple) 125°C Rated Solution

Документация:
  • Схемотехника
  • BOM
Описание:
This small and simple inverting power reference design features a high accuracy step-down converter in an inverting buck-boost topology. It generates a -12-V output at 400 mA of current from a 3-V to 4.5-V input voltage, enabling to cleanly power negative voltage rails in space-constrained applications such as optical networking systems for telecom infrastructure, active and distributed antenna systems or remote radio unit for wireless infrastructure, as well as for test and measurement applications in industrial.
Возможности:

High Negative Output Voltage of –12 V Total Solution Size Less Than 65mm2 High Output Current of 400mA Low Output Voltage Ripple (<0.5 %) Input Voltage Range of 3 V to 4.5 V 125°C Rated Solution

Документация:
  • Схемотехника
  • BOM
  • Топология платы
Описание:
This small and simple, low-noise inverting power module design (voltage inverter) cleanly supports a –5-V output voltage at up to 1.5 A of current from a 3- to 11.5-V input. Featuring TI’s TPS82130 MicroSiP™ power module step-down converter in an inverting buck-boost topology, the design achieves a power density of 584 mW/mm3 and a solution size of less than 50 mm2, allowing it to power sensitive analog loads in space-constrained, high-temperature communications equipment, such as optical modules. This design also supports many common industrial equipment, including those that require a 5-V input and –5-V output voltage inverter at up to 1 A.
Возможности:

Simple Power Module Design Total Solution Size Less Than 50mm2 High Output Current of 1.5A (VIN ≥ 7.5V) Wide Input Voltage Range of 3V to 11.5V Low Noise (Less Than 10mV Output Ripple) 125°C Rated Solution

Документация:
  • Схемотехника
  • BOM
  • Топология платы