User's Guide

SLVU364 – March 2010

TPS62065/67EVM

This user’s guide describes the characteristics, operation, and use of the TPS62065-67EVM-347 evaluation module (EVM). The TPS62065-67EVM-347 is a fully assembled and tested platform for evaluating the performance of both the TPS62065 and TPS62067 2-A step-down converters. This document includes schematic diagrams, printed circuit board (PCB) layout, bill of materials, and test data. Throughout this document, the abbreviations EVM, TPS62065/67EVM, and the term evaluation module are synonymous with the TPS62065-67EVM-347 unless otherwise noted.

 

Contents

 

1

Introduction

2

2

Electrical Performance Specifications

2

3

TPS62056/67EVM Schematic

3

4

Connector and Test Point Descriptions

4

5

Test Configuration

6

6

TPS62065/67EVM Test Data

8

7

TPS62065/67EVM-347 Assembly Drawings and Layout

12

8

Bill of Materials

18

 

List of Figures

 

1

TPS62065EVM Schematic

3

2

TPS62067EVM Schematic

3

3

Hardware Board Connection

6

4

TPS62065, TPS62067 Efficiency vs Load Current

8

5

TPS62065 Startup into 2.2-Ω Load

8

6

TPS62067 Startup into 2.2-Ω Load

9

7

TPS62067 Shutdown: No Load

9

8

TPS62065 Output Voltage Ripple (PFM Mode)

10

9

TPS62065 Output Voltage Ripple (PWM Mode)

10

10

TPS62065 Gain and Phase vs Frequency

11

11

TPS62065 Gain and Phase vs Frequency

11

12

TPS62065/67EVM Component Placement (Top View)

13

13

TPS62065/67EVM Top-Side Copper (Top View)

14

14

TPS62065/67EVM Internal Layer 2 (X-Ray View, from Top)

15

15

TPS62065/67EVM Internal Layer 1 (X-Ray View, from Top)

16

16

TPS62065/67EVM Bottom-Side Copper (Bottom View)

17

 

List of Tables

 

1

TPS62065/67EVM Performance Characteristics

2

2

TPS62065/67EVM Bill of Materials

18

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SLVU364 –March 2010

TPS62065/67EVM

1

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2010, Texas Instruments Incorporated

 

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Texas Instruments specifications TPS62065/67EVM