下载
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
All trademarks are the property of their respective owners.
1
SLVU364–March 2010 TPS62065/67EVM
Submit Documentation Feedback
Copyright © 2010, Texas Instruments Incorporated
