User's Guide
SLVUA27A – January 2014 – Revised March 2014
TPS23753AEVM-235 Evaluation Module
This user’s guide describes the TPS23753A evaluation module (EVM) (TPS23753AEVM-235). The
TPS23753AEVM-235 contains evaluation and reference circuitry for the TPS23753A device. The
TPS23753A device is an IEEE 802.3-2005 compliant, powered-device (PD) controller and power supply
controller optimized for isolated converter topologies. TPS23753AEVM-235 is targeted at a high efficiency
10-W PD solution.
Contents
1
Introduction
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1.1
Features
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1.2
Applications
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2
Electrical Specifications
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3
Description
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4
Schematic
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5
General Configuration and Description
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5.1
Physical Access
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5.2
Test Setup
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6
TPS23753AEVM-235 Performance Data
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6.1
Startup
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6.2
Transient Response
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6.3
Efficiency
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7
EVM Assembly Drawings and Layout Guidelines
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7.1
PCB Drawings
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7.2
Layout Guidelines
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7.3
EMI Containment
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8
Bill of Materials
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List of Figures
1
TPS23753AEVM-235 Schematic
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2
Typical TPS23753AEVM-235 Test Setup
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3
Startup Response to Full Load (2 A) for a 48-V Input
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4
Transient Response from 1 to 2 A for a 48-V Input
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5
Efficiency of the TPS23753AEVM-235
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6
Top-Side Component Placement
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7
Top-Side Routing
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8
Layer 2 Routing
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9
Layer 3 Routing
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10
Bottom-Side Routing
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11
Bottom Component Placement
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List of Tables
1
TPS23753AEVM-235 Electrical and Performance Specifications at 25°C
...........................................
2
Connector Functionality
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3
Test Points
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4
TPS23753AEVM-235 BOM
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1
SLVUA27A – January 2014 – Revised March 2014
TPS23753AEVM-235 Evaluation Module
Copyright © 2014, Texas Instruments Incorporated