Class 4 High-Efficiency Driven Flyback Converter (5V/5A) for PoE PD Applications Reference Design

(ACTIVE) TIDA-00617

Description & Features

Technical Documents

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Key Document

Description

The TIDA-00617 reference design uses the TPS23751 PoE PD controller in a high effciency (driven) synch flyback converter capable of 5V at 5A.

Features
  • IEEE802.3.at compliant
  • 93% high efficiency (converter only)
  • Test Report is Included

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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Parametrics
 TIDA-00617.1
(Output Voltage 1)
Vin (Min) (V)21.6
Vin (Max) (V)57
Vout (Nom) (V)5
Iout (Max) (A)5
Output Power (W)25
Isolated/Non-IsolatedIsolated
Input TypeDC
TopologyFlyback- Synchronous
POE

TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD18504Q5A  40V, N-Channel NexFET™ Power MOSFET  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TLV431A  1% Accuracy Low-Voltage Adjustable Precision Shunt Regulator  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
TPS23751  IEEE 802.3at PoE Interface With Flyback DC-DC Controller  Power over Ethernet (PoE)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD18504Q5A VSONP (DQJ)| 8 Download Download
TLV431A Download Download
Download Download
Download -
Download Download
Download -
Download Download
TPS23751 Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 1070 07 Jul 2015 30
Design files (3)
Title Abstract Type Size (KB) Date Views
PDF 2617 10 Jul 2015 9
PDF 253 07 Jul 2015 10
PDF 111 07 Jul 2015 64

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