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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

www.ti.com

Table of Contents

SLUUCH1 – JUNE 2021

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TPS62933EVM-129 3-A Regulator Evaluation Module

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Copyright © 2021 Texas Instruments Incorporated

Summary of Contents for TPS62933

Page 1: ...ad Transient Response 0 5 A 2 5 A Load Step 0 8 A s 5 Figure 4 4 TPS62933EVM Output Voltage Ripple IOUT 3 A 6 Figure 4 5 TPS62933EVM Output Voltage Ripple IOUT 2 A 6 Figure 4 6 TPS62933EVM Output Volt...

Page 2: ...EVM is a single synchronous buck converter providing 5 V at 3 A from 5 1 V to 30 V input This user s guide describes the TPS62933EVM performance Rated input voltage and output current ranges for the...

Page 3: ...ided with input output connectors and test points as shown in Table 4 1 Figure 4 1 shows connectors and jumpers placement on TPS62933EVM board A power supply capable of supplying 3 A must be connected...

Page 4: ...tart Up Procedure 1 Ensure that the jumper at JP3 Enable control pins 2 and 3 are covered to shunt EN to GND disabling the output 2 Apply appropriate VIN voltage to VIN J2 1 and GND J2 2 3 Move the ju...

Page 5: ...igure 4 3 TPS62933EVM Load Transient Response 0 5 A 2 5 A Load Step 0 8 A s www ti com Test Setup and Results SLUUCH1 JUNE 2021 Submit Document Feedback TPS62933EVM 129 3 A Regulator Evaluation Module...

Page 6: ...s are with 20MHz scope bandwidth VOUT 20mV div AC coupled IL 1A div 2uS div Figure 4 4 TPS62933EVM Output Voltage Ripple IOUT 3 A VOUT 20mV div AC coupled IL 1A div 2uS div Figure 4 5 TPS62933EVM Outp...

Page 7: ...le IOUT 1 A VOUT 20mV div AC coupled IL 500mA div 2uS div Figure 4 7 TPS62933EVM Output Voltage Ripple IOUT 500 mA www ti com Test Setup and Results SLUUCH1 JUNE 2021 Submit Document Feedback TPS62933...

Page 8: ...le IOUT 100 mA VOUT 20mV div AC coupled IL 500mA div 4mS div Figure 4 9 TPS62933EVM Output Voltage Ripple IOUT 0 A Test Setup and Results www ti com 8 TPS62933EVM 129 3 A Regulator Evaluation Module S...

Page 9: ...tive to VIN 4 6 Shut Down The TPS62933EVM shut down waveform with 20MHz scope bandwidth relative to VIN is shown in Figure 4 11 Load 3 A VIN 10V div 4mS div VOUT 2V div SS 2V div IL 2A div Figure 4 11...

Page 10: ...located as close to the IC as possible The input and output connectors test points and all of the components are located on the top side The bottom layer is a ground plane along with the switching nod...

Page 11: ...933EVM Top Layer Figure 5 3 TPS62933EVM Bottom Layer www ti com Board Layout SLUUCH1 JUNE 2021 Submit Document Feedback TPS62933EVM 129 3 A Regulator Evaluation Module 11 Copyright 2021 Texas Instrume...

Page 12: ...M Board Top View Figure 5 5 TPS62933EVM Board Bottom View Board Layout www ti com 12 TPS62933EVM 129 3 A Regulator Evaluation Module SLUUCH1 JUNE 2021 Submit Document Feedback Copyright 2021 Texas Ins...

Page 13: ...R3 22uF C2 22uF C3 22uF C4 DNP VIN EN SS RT GND FB SW BST VIN 3 BST 6 EN 2 FB 8 RT 1 SS 7 SW 5 GND 4 TPS62933DRLR U1 0 R7 10 F C7 10 F C8 1 2 J2 1 2 J1 100k R10 DNP 1 2 JP4 DNP VOUT 10 F C6 DNP GND T...

Page 14: ...JR 070RL 3 Yageo RES 49 9 1 0 1 W 0603 R3 RC0603FR 0749R9L 1 Yageo RES 53 6 k 1 0 1 W 0603 R4 RC0603FR 0753K6L 1 Yageo RES 10 2 k 1 0 1 W 0603 R5 RC0603FR 0710K2L 1 Yageo RES 49 9 k 1 0 1 W 0603 R8 R9...

Page 15: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Page 16: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Page 17: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Page 18: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Page 19: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Page 20: ...are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and...

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