Texas Instruments TPS25921XEVM-637, User Manual

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User's Guide
SLUUB50 – August 2014
TPS25921X-637EVM: Evaluation Module for TPS25921X
This user’s guide describes the evaluation module (EVM) for the TPS25921. The TPS25921X is an eFuse
with precision current limit, 4.5-V to 18-V supply voltage operation, programmable undervoltage,
overvoltage, overcurrent and inrush current protection features.
Contents
1 Introduction
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1.1 EVM Features
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1.2 EVM Applications
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2 Description
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3 Schematics
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4 General Configurations
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4.1 Physical Access
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4.2 Test Equipment and Setup
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4.3 Test Setup and Procedures
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5 EVM Assembly Drawings and Layout Guidelines
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5.1 PCB Drawings
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6 Bill of Materials (BOM)
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List of Figures
1 TPS25921X EVM Schematic
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2 EVM Setup with Test Equipment
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3 J3= No Jumper Current Limit (1.5 A) Test Auto Retry (CH1)
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4 J7 = No Jumper Current Limit (1.5A) Test with Latch (CH2)
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5 Top Side Placement
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6 Top Layer
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7 Bottom Layer
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List of Tables
1 TPS25921X EVM Options and Settings
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2 Input and Output Connector Functionality
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3 Test Points Description
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4 Jumper and LEDs Descriptions
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5 Power Supply Setting for PWR637
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6 Default Jumper Setting for PWR637
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7 PWR637 DMM Readings at Different Test Points
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8 PWR637 Oscilloscope Setting for Current Limit Test
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9 PWR637 Jumper Settings for Current Limits
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10 TPS25921XEVM-637 Bill of Materials
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1 SLUUB50 – August 2014 TPS25921X-637EVM: Evaluation Module for TPS25921X
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