Texas Instruments TPS51386 User Manual

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User's Guide
TPS51386 Step-Down Converter Evaluation Module
This user's guide describes the characteristics, operation, and use of the Texas Instruments TPS51386
evaluation module (EVM). The TPS51386EVM is designed to help user easily evaluate and test the operation
and functionality of the TPS51386. This user's guide includes the following:
• Setup instructions for the hardware
• Printed-circuit board layouts for the EVM
• Schematic diagram
• Bills of material
• Test results for the EVM
1 Introduction.............................................................................................................................................................................2
2 Performance Specification Summary...................................................................................................................................
3 Output Voltage Setpoint.........................................................................................................................................................
4 Test Setup and Results..........................................................................................................................................................
4.1 Input and Output Connections...........................................................................................................................................
4.2 Start-Up Procedure............................................................................................................................................................
4.3 Start-Up..............................................................................................................................................................................4
4.4 Shutdown...........................................................................................................................................................................
4.5 Output Voltage Ripple........................................................................................................................................................
5 Board Layout...........................................................................................................................................................................8
5.1 Layout................................................................................................................................................................................
6 Board Profile, Schematic, and List of Materials................................................................................................................
6.1 Board Profile....................................................................................................................................................................
6.2 Schematic.........................................................................................................................................................................11
6.3 List of Materials................................................................................................................................................................
7 References............................................................................................................................................................................
8 Revision History...................................................................................................................................................................
Figure 4-1. Start-Up Relative to EN, I
Figure 4-2. Start-Up Relative to EN, I
Figure 4-3. Shutdown Relative to EN, I
Figure 4-4. Shutdown Relative to EN, I
Figure 4-5. TPS51386EVM Output Voltage Ripple, I
Figure 4-6. TPS51386EVM Output Voltage Ripple, I
Figure 4-7. TPS51386EVM Output Voltage Ripple, I
Figure 5-1. Top Assembly............................................................................................................................................................
Figure 5-2. Top Layer...................................................................................................................................................................8
Figure 5-3. Inner1 Layer..............................................................................................................................................................
Figure 5-4. Inner2 Layer..............................................................................................................................................................
Figure 5-5. Bottom Layer.............................................................................................................................................................
Figure 6-1. Top View of TPS51386EVM....................................................................................................................................
Figure 6-2. Bottom View of
Figure 6-3. TPS51386EVM Schematic
Table 1-1. Input Voltage and Output Current
SLUUCN0B - JUNE 2022 - REVISED AUGUST 2023
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Table of Contents

List of Figures
= 0.1 A........................................................................................................................4
OUT
= 8 A...........................................................................................................................4
OUT
= 0.1 A.....................................................................................................................
OUT
= 8 A........................................................................................................................
OUT
OUT
OUT
OUT
TPS51386EVM...............................................................................................................................10
Diagram........................................................................................................................11
List of Tables
Summary...............................................................................................................2
Copyright © 2023 Texas Instruments Incorporated
ABSTRACT
= 10 mA, PSM Mode...........................................................................6
= 10 mA, OOA Mode..........................................................................
= 8 A...................................................................................................
TPS51386 Step-Down Converter Evaluation Module
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