Texas Instruments TPS40190EVM-001, User Manual

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User’s Guide
TPS40190 Buck Controller Evaluation Module User's
Guide
Table of Contents
1 Introduction ............................................................................................................................................................................. 2
1.1 Description......................................................................................................................................................................... 2
1.2 Applications........................................................................................................................................................................ 2
1.3 Features............................................................................................................................................................................. 2
2 TPS40190EVM-001 Electrical Performance Specifications ................................................................................................ 2
3 Schematic ................................................................................................................................................................................ 3
3.1 Adjusting Output Voltage (R1)............................................................................................................................................ 4
3.2 Adjusting Short Circuit Protection (R6).............................................................................................................................. 4
3.3 Disable (TP1 and SW1)..................................................................................................................................................... 4
4 Test Setup ................................................................................................................................................................................ 5
4.1 Equipment.......................................................................................................................................................................... 5
4.2 Equipment Setup................................................................................................................................................................ 5
4.3 Start-Up/Shutdown Procedure........................................................................................................................................... 7
4.4 Control Loop Gain and Phase Measurement Procedure................................................................................................... 8
4.5 Equipment Shutdown......................................................................................................................................................... 8
5 TPS40190EVM Typical Performance Data and Characteristic Curves ............................................................................... 8
5.1 Efficiency............................................................................................................................................................................ 8
5.2 Line and Load Regulation.................................................................................................................................................. 9
6 EVM Assembly Drawings and Layout ................................................................................................................................. 10
7 List of Materials ..................................................................................................................................................................... 14
8 Revision History ................................................................................................................................................................... 15
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