Texas Instruments TPS7H4002EVM-CVAL, Руководство пользователя

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User’s Guide
TPS7H4002EVM-CVAL Evaluation Module
ABSTRACT
The TPS7H4002EVM-CVAL is the evaluation module (EVM) for the TPS7H4002-SP and provides a platform to
electrically evaluate its features. This user's guide provides details about the EVM, its configuration, schematics,
and BOM.
Figure 1-1. TPS7H4002EVM-CVAL
Table of Contents
1 TPS7H4002EVM-CVAL Overview ........................................................................................................................................... 3
2 TPS7H4002EVM-CVAL Default Configuration ...................................................................................................................... 3
3 TPS7H4002EVM-CVAL Initial Setup ...................................................................................................................................... 4
4 TPS7H4002EVM-CVAL Testing .............................................................................................................................................. 5
5 TPS7H4002EVM-CVAL EVM Schematic .............................................................................................................................. 15
6 TPS7H4002EVM-CVAL Bill of Materials (BOM) .................................................................................................................. 16
7 Board Layout ......................................................................................................................................................................... 18
List of Figures
Figure 1-1. TPS7H4002EVM-CVAL............................................................................................................................................. 1
Figure 4-1. Output Voltage Regulation........................................................................................................................................ 5
Figure 4-2. Output Voltage Ripple VIN = 5 V, VOUT = 2.5 V, IOUT = 3 A................................................................................... 6
Figure 4-3. Output Soft Start Voltage, VIN = 5 V, VOUT = 2.5 V, IOUT = 3 A............................................................................. 7
Figure 4-4. Transient Response to Load Step 0 A to 3 A at 1 A/µs............................................................................................. 8
Figure 4-5. Transient Response to Load Step 3 A to 0 A at 1 A/µs............................................................................................. 9
Figure 4-6. Input Voltage Ripple, VIN = 5 V, VOUT = 2.5 V, IOUT = 3 A................................................................................... 10
Figure 4-7. EVM Modification to Measure Frequency Response............................................................................................... 11
Figure 4-8. Frequency Response Test Setup............................................................................................................................ 12
Figure 4-9. Frequency Response IOUT = 3 A........................................................................................................................... 12
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