PMP9175 Reference Design

Texas Instruments

Class 3 5V/2.3A High Efficiency Synchronous Flyback Converter for PoE Application Reference Design

Description

This converter is used for Class 3 PoE applications where high efficiency and isolation are required. The specific output for this design is 5V@2.3A. The flyback converter with synchronous rectifier provides excellent efficiency and small size for PoE applications such as a IP Phones. The TPS23753APW contains both the PoE Powered Device and the PWM controller functions

Features
  • Ethernet Alliance certified for receiving Class 3 powerHigh efficiency for both PoE supply power and adapter supply power (up to more than 90%)The output is 5V/2.3AIsolated Flyback with synchornous rectifierSmall size solutionUses TPS23753APW with PoE interface PD and PWM controllerThis circuit design is full-functional tested and recommended for new designs
Applications
  • IP telephone
  • WLAN/Wi-Fi access point
Product Categories
  • Power management

Parts

Part Number Name Companion Part
TLV431A TLV431A Buy Datasheet
TPS23753A TPS23753A Buy Datasheet

Bill Of Materials

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Schematic

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Design File

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Test Data

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Other Documents

Title Updated Type Size (KB)
PMP9175 Gerber 14 May 2014 ZIP 489
PMP9175 Assembly Drawing 14 May 2014 PDF 224
PMP9175 BOM 14 May 2014 PDF 137
PMP9175 Schematic 14 May 2014 PDF 254