Texas Instruments TPS62933, Руководство пользователя

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User’s Guide
TPS62933EVM-129 3-A Regulator Evaluation Module
ABSTRACT
This user's guide contains information for the TPS62933 as well as support documentation for the TPS62933
evaluation module. Included are the performance specifications, board layout, schematic, and the list of
materials of the TPS62933EVM.
Table of Contents
1 Introduction ............................................................................................................................................................................. 2
2 Performance Specification Summary ................................................................................................................................... 2
3 Modifications ........................................................................................................................................................................... 2
3.1 Output Voltage Setpoint..................................................................................................................................................... 3
4 Test Setup and Results .......................................................................................................................................................... 3
4.1 Input/Output Connections.................................................................................................................................................. 3
4.2 Start-Up Procedure............................................................................................................................................................ 4
4.3 Load Transient Response.................................................................................................................................................. 4
4.4 Output Voltage Ripple........................................................................................................................................................ 6
4.5 Start-Up.............................................................................................................................................................................. 9
4.6 Shut-Down......................................................................................................................................................................... 9
5 Board Layout ......................................................................................................................................................................... 10
5.1 Layout.............................................................................................................................................................................. 10
6 Schematic, List of Materials, and Reference ...................................................................................................................... 13
6.1 Schematic........................................................................................................................................................................ 13
6.2 List of Materials................................................................................................................................................................ 14
List of Figures
Figure 4-1. TPS62933EVM Connectors and Jumpers Placement.............................................................................................. 3
Figure 4-2. TPS62933EVM Load Transient Response, 1 A - 3 A Load Step, 0.8 A/µs............................................................... 4
Figure 4-3. TPS62933EVM Load Transient Response, 0.5 A - 2.5 A Load Step, 0.8 A/µs......................................................... 5
Figure 4-4. TPS62933EVM Output Voltage Ripple, I
OUT
= 3 A................................................................................................... 6
Figure 4-5. TPS62933EVM Output Voltage Ripple, I
OUT
= 2 A................................................................................................... 6
Figure 4-6. TPS62933EVM Output Voltage Ripple, I
OUT
= 1 A................................................................................................... 7
Figure 4-7. TPS62933EVM Output Voltage Ripple, I
OUT
= 500 mA............................................................................................ 7
Figure 4-8. TPS62933EVM Output Voltage Ripple, I
OUT
= 100 mA............................................................................................ 8
Figure 4-9. TPS62933EVM Output Voltage Ripple, I
OUT
= 0 A................................................................................................... 8
Figure 4-10. TPS62933EVM Start-Up Relative to V
IN
................................................................................................................ 9
Figure 4-11. TPS62933EVM Shut-Down Relative to V
IN
............................................................................................................ 9
Figure 5-1. TPS62933EVM Top Assembly................................................................................................................................ 10
Figure 5-2. TPS62933EVM Top Layer....................................................................................................................................... 11
Figure 5-3. TPS62933EVM Bottom Layer.................................................................................................................................. 11
Figure 5-4. TPS62933EVM Board Top View.............................................................................................................................. 12
Figure 5-5. TPS62933EVM Board Bottom View........................................................................................................................ 12
Figure 6-1. TPS62933EVM Schematic Diagram....................................................................................................................... 13
List of Tables
Table 1-1. Input Voltage and Output Current Summary............................................................................................................... 2
Table 2-1. Performance Specifications Summary........................................................................................................................ 2
Table 4-1. Connection and Test Points........................................................................................................................................ 4
Table 6-1. List of Materials......................................................................................................................................................... 14
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SLUUCH1 – JUNE 2021
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