STMicroelectronics Evaluation Board for PM8805 for DC-DC Converters, LED Drivers

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RS庫存編號:
196-1903
製造零件編號:
STEVAL-POE001V1
製造商:
STMicroelectronics
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品牌

STMicroelectronics

For Use With

DC-DC Converters, LED Drivers

Kit Classification

Evaluation Board

Featured Device

PM8805

Kit Name

Evaluation Board

COO (Country of Origin):
IT
This reference design integrates a high power standard PoE-PD interface, able to support applications up to 100 W. The PoE-PD interface is based on the PM8805 system in package featuring two embedded active bridges with driving circuitry, a charge pump to drive the high side MOSFETs, a hot swap MOSFET and a standard single-signature interface, including detection, classification, UVLO and inrush current limitation.

The device signals successful PSE type identification to the system: it identifies a 4-pair PSE by monitoring the Ethernet cable pairs and providing the system with a dedicated matrix of Tx signals.

The PM8805 is suitable for building the interface for PoE switch mode power supplies for maximum conversion efficiency, with a PGD signal that can be used to enable downstream DC-DC converters or LED drivers with suitable electrical parameters.

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