Texas Instruments TPSM8D6C24EVM-2V0, Руководство пользователя

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User’s Guide
TPSM8D6C24EVM-2V0 User's Guide
ABSTRACT
This user's guide describes the characteristics, operation, and use of the TPSM8D6C24EVM-2V0 evaluation
module (EVM). In addition, the user's guide includes test information, descriptions, and results. A complete
schematic diagram, printed circuit board layouts, and bill of materials are also included in this document.
Table of Contents
1 Description .............................................................................................................................................................................. 3
1.1 Before You Begin............................................................................................................................................................... 3
1.2 Features............................................................................................................................................................................. 3
2 Electrical Performance Specifications ................................................................................................................................. 4
3 Schematic ................................................................................................................................................................................ 5
4 Test Setup ................................................................................................................................................................................ 6
4.1 Test and Configuration Software........................................................................................................................................ 6
4.2 Test Equipment.................................................................................................................................................................. 6
4.3 List of Test Points, Jumpers, and Connectors.................................................................................................................... 7
4.4 Evaluating Split Rail Input.................................................................................................................................................. 8
5 EVM Configuration Using the Fusion GUI ............................................................................................................................ 9
5.1 Configuration Procedure.................................................................................................................................................... 9
6 Test Procedure ........................................................................................................................................................................ 9
6.1 Line and Load Regulation and Efficiency Measurement Procedure.................................................................................. 9
6.2 Efficiency Measurement Test Points.................................................................................................................................. 9
6.3 Control Loop Gain and Phase Measurement Procedure................................................................................................. 10
7 Performance Data and Typical Characteristic Curves ....................................................................................................... 11
7.1 Efficiency.......................................................................................................................................................................... 11
7.2 Load Regulation............................................................................................................................................................... 11
7.3 Line Regulation................................................................................................................................................................. 11
7.4 Transient Response......................................................................................................................................................... 12
7.5 Control Loop Bode Plot.................................................................................................................................................... 12
7.6 Output Ripple................................................................................................................................................................... 13
7.7 Control On........................................................................................................................................................................ 14
7.8 Control Off........................................................................................................................................................................ 14
7.9 Thermal Image................................................................................................................................................................. 15
8 EVM Assembly Drawing and PCB Layout .......................................................................................................................... 16
9 Bill of Materials ..................................................................................................................................................................... 19
10 Using the Fusion GUI ......................................................................................................................................................... 23
10.1 Opening the Fusion GUI................................................................................................................................................ 23
10.2 General Settings............................................................................................................................................................ 24
10.3 Changing ON_OFF_CONFIG........................................................................................................................................ 24
10.4 Pop-Up for Some Commands While Conversion is Enabled......................................................................................... 26
10.5 SMBALERT# Mask........................................................................................................................................................ 27
10.6 Device Info..................................................................................................................................................................... 28
10.7 Phase Commands.......................................................................................................................................................... 29
10.8 All Config........................................................................................................................................................................ 30
10.9 Pin Strapping.................................................................................................................................................................. 31
10.10 Monitor......................................................................................................................................................................... 32
10.11 Status........................................................................................................................................................................... 33
List of Figures
Figure 3-1. TPSM8D6C24EVM-2V0 Schematic.......................................................................................................................... 5
Figure 7-1. VOUT_A Efficiency.................................................................................................................................................. 11
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