1
SLUUBJ1A–February 2017–Revised June 2017
Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated
TPS2373-4EVM-758 Evaluation Module
User's Guide
SLUUBJ1A–February 2017–Revised June 2017
TPS2373-4EVM-758 Evaluation Module
This user’s guide describes the TPS2373-4 evaluation module (TPS2373-4EVM-758). The TPS2373-
4EVM-758 contains evaluation and reference circuitry for the TPS2373-4. The TPS2373-4 device is an
IEEE 802.3bt-compliant, powered-device (PD) controller optimized for isolated converter topologies. The
TPS2373-4EVM-758 is designed for high-efficiency, 70-W, PD solutions.
Contents
1 Introduction ................................................................................................................... 2
2 Electrical Specifications..................................................................................................... 2
3 Description.................................................................................................................... 3
4 Schematic..................................................................................................................... 4
5 General Configuration and Description ................................................................................... 6
6 TPS237xEVM-758 Performance Data .................................................................................... 8
7 EVM Assembly Drawings and Layout Guidelines ....................................................................... 9
8 Bill of Material............................................................................................................... 14
List of Figures
1 TPS2373-4EVM-758 PD Front-End Schematic.......................................................................... 4
2 TPS2373-4EVM-758 PD and DC/DC Converter Schematic........................................................... 5
3 Startup Response to Full Load (14 A) for a 48-V Input................................................................. 8
4 Transient Response from 7 A to 14 A for a 48-V Input................................................................. 8
5 Efficiency of the TPS2373-4EVM-758, VIN = 48 V....................................................................... 9
6 Top Side Component Placement.......................................................................................... 9
7 Top Side Routing........................................................................................................... 10
8 Layer 2 Routing............................................................................................................. 10
9 Layer 3 Routing............................................................................................................. 11
10 Bottom Side Routing....................................................................................................... 11
11 Bottom Component Placement........................................................................................... 12
List of Tables
1 TPS2373-4EVM-758 Electrical and Performance Specifications at 25°C............................................ 2
2 Connector Functionality..................................................................................................... 6
3 Test Points.................................................................................................................... 6
4 Jumper Descriptions......................................................................................................... 7
5 TPS237xEVM-758 BOM .................................................................................................. 14
Trademarks
All trademarks are the property of their respective owners.
