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SLVUAG7A–May 2015–Revised July 2017
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TPS2378EVM-602 Evaluation Module
User's Guide
SLVUAG7A–May 2015–Revised July 2017
TPS2378EVM-602 Evaluation Module
This user’s guide describes the TPS2378 evaluation module (TPS2378EVM-602). TPS2378EVM-602
contains evaluation and reference circuitry for a forced four-pair UPOE compliant application.
Contents
1 Introduction ................................................................................................................... 2
2 Electrical Specifications .................................................................................................... 2
3 Description ................................................................................................................... 2
4 Schematic..................................................................................................................... 3
5 General Configuration and Description .................................................................................. 6
6 TPS2378EVM-602 Performance Data.................................................................................... 8
7 EVM Assembly Drawing and Layout Guidelines ...................................................................... 10
8 Bill of Materials ............................................................................................................. 15
List of Figures
1 TPS2378EVM-602 PD Front-End Schematic ........................................................................... 3
2 TPS2378EVM-602 Dual PD section ...................................................................................... 4
3 TPS2378EVM-602 DCDC Converter Section ........................................................................... 5
4 Typical TPS2378EVM-602 Test Setup ................................................................................... 7
5 Startup Response to 26-W Load for a 48-V Input....................................................................... 8
6 Transient Response from 290 mA to 2.9 A for a 48-V Input........................................................... 8
7 Efficiency of the TPS2378EVM-602....................................................................................... 9
8 Top Side Component Placement ........................................................................................ 10
9 Top Side Routing........................................................................................................... 10
10 Layer 2 Routing............................................................................................................. 11
11 Layer 3 Routing............................................................................................................. 11
12 Bottom Side Routing....................................................................................................... 12
13 Bottom Component Placement .......................................................................................... 12
List of Tables
1 TPS2378EVM-602 Electrical and Performance Specifications at 25°C.............................................. 2
2 Connector Functionality .................................................................................................... 6
3 Test Points ................................................................................................................... 6
4 TPS2378EVM-602 BOM .................................................................................................. 15
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