Datasheet

User's Guide
SLVU682–March 2012
TPS2378 EVM User’s Guide
This User’s Guide describes the evaluation module (EVM) for the TPS2378 (TPS2378EVM-105).
TPS2378 is an IEEE802.3at type 2 compliant powered device (PD) controller.
Contents
1 Introduction .................................................................................................................. 2
1.1 Features ............................................................................................................. 2
1.2 Applications ......................................................................................................... 2
2 Electrical Specifications at 25°C .......................................................................................... 2
3 Description ................................................................................................................... 3
4 Schematic .................................................................................................................... 4
5 General Configuration and Description .................................................................................. 5
5.1 Physical Access .................................................................................................... 5
5.2 Test Setup .......................................................................................................... 5
6 EVM Assembly Drawings and Layout Guidelines ...................................................................... 6
6.1 PC Drawings ........................................................................................................ 6
6.2 Layout Guidelines .................................................................................................. 9
6.3 EMI Containment ................................................................................................... 9
7 Bill of Materials ............................................................................................................. 10
List of Figures
1 TPS2378EVM Schematic .................................................................................................. 4
2 Typical TPS2378EVM Test Setup ........................................................................................ 6
3 Top Side Placement ........................................................................................................ 6
4 Top Side Routing ........................................................................................................... 7
5 Layer Two Routing.......................................................................................................... 7
6 Layer Three Routing........................................................................................................ 8
7 Bottom Side Routing........................................................................................................ 8
8 Bottom Side Placement .................................................................................................... 9
List of Tables
1 TPS2378EVM Electrical and Performance Specifications............................................................. 2
2 Connector Functionality .................................................................................................... 5
3 Test Points ................................................................................................................... 5
4 Jumpers ...................................................................................................................... 5
5 TPS2378EVM Bill of Materials .......................................................................................... 10
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SLVU682–March 2012 TPS2378 EVM User’s Guide
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