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User's Guide

SLVU315A–June 2009–Revised March 2014

TPS23753AEVM-001 Evaluation Module for TPS23753A

This user’s guide describes the TPS23753A evaluation module (TPS23753AEVM-001). TPS23753AEVM-

001 contains evaluation and reference circuitry for the TPS23753A. The TPS23753A device is an IEEE

802.3-2005 compliant, powered-device (PD) controller and power supply controller optimized for isolated

converter topologies. TPS23753AEVM-001 is targeted at low-cost, simple, 7-W flyback converter

applications.

Contents

1 Description.................................................................................................................... 2

1.1 Features.............................................................................................................. 2

1.2 Applications.......................................................................................................... 2

2 Electrical Specifications..................................................................................................... 2

3 Schematic..................................................................................................................... 3

4 General Configuration and Description ................................................................................... 4

4.1 Physical Access..................................................................................................... 4

5 Test Setup .................................................................................................................... 5

6 TPS23753AEVM-001 Typical Performance Data ....................................................................... 5

6.1 3.3-V Efficiency ..................................................................................................... 5

6.2 5-V DC/DC Efficiency .............................................................................................. 6

6.3 TPS23753AEVM-001 Conducted Emissions.................................................................... 7

7 EVM Assembly Drawings and Layout Guidelines ....................................................................... 7

7.1 PCB Drawings....................................................................................................... 7

7.2 Layout Guidelines................................................................................................... 9

7.3 EMI Containment.................................................................................................. 10

8 Bill of Materials ............................................................................................................. 11

List of Figures

1 TPS23753AEVM-001 Schematic .......................................................................................... 3

2 Typical TPS23753AEVM-001 Test Setup ................................................................................ 5

3 TPS23753AEVM-002 Efficiency With 3.3-V Output..................................................................... 6

4 TPS23753AEVM-001 Efficiency With 5-V Output ....................................................................... 6

5 TPS23753AEVM-001 Conducted Emissions............................................................................. 7

6 Top-Side Placement......................................................................................................... 7

7 Top-Side Routing ............................................................................................................ 8

8 Bottom-Side Routing ........................................................................................................ 8

9 Bottom-Side Placement..................................................................................................... 9

List of Tables

1 TPS23753AEVM-001 and -002 Electrical and Performance Specifications at T=25°C ............................ 2

2 Connector Functionality..................................................................................................... 4

3 Test Points.................................................................................................................... 4

4 TPS23753AEVM-001 and -002 Bill of Materials ....................................................................... 11

SLVU315A–June 2009–Revised March 2014 TPS23753AEVM-001 Evaluation Module for TPS23753A

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巴蜀明月

2023-07-24

这个文件中的POE电源方案是基于TPS23753A芯片设计的，这个芯片具有高效能和可靠性，非常适合应用于实际项目。
Jaihwoe

2023-07-24

该文件清晰地介绍了TPS23753A应用电路的工作原理，对于对电源方案感兴趣的读者非常有帮助。
chenbtravel

2023-07-24

鉴于文件内容的详细度和实用性，这个文件值得工程师们阅读并应用在实际项目中。
江水流春去

2023-07-24

作者在文件中给出了具体的应用电路框图和参数表，让读者能够快速了解和实施这个POE电源方案。
陈莽昆

2023-07-24

这个文件提供了关于POE电源方案的详细信息，非常适合有关POE项目的工程师。

E米露

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