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User's Guide
SLVU186 – October 2006
TPS62351EVM
This User’s Guide describes the characteristics, operation, and use of the
TPS62351EVM-122 Evaluation Module (EVM). This EVM demonstrates the Texas
Instruments TPS62351 800 mA, 3 MHz, synchronous, step down converter with I
2
C™
interface. This User’s Guide includes setup instructions, a schematic diagram, a bill of
materials (BOM), and PCB layout drawings for the evaluation module.
Contents
1 Introduction .......................................................................................... 2
2 Setup ................................................................................................. 2
3 Operation ............................................................................................ 6
4 Test Results ......................................................................................... 9
5 Board Layout ...................................................................................... 12
6 Schematic and Bill of Materials ................................................................. 18
List of Figures
1 Quick Connection Diagram USB Interface Adapter ............................................ 6
2 Output Controls Tab ................................................................................ 7
3 Preferences Tab .................................................................................... 8
4 Start Up From Software Enable .................................................................. 9
5 Output Ripple ..................................................................................... 10
6 Load Transient, 0 mA to 680 mA Step ......................................................... 11
7 Load Transient, 680 mA to 0 mA Step ......................................................... 12
8 Assembly Layer ................................................................................... 13
9 Top Layer Routing ................................................................................ 14
10 Bottom Layer Routing ............................................................................ 15
11 Layer 2 Routing ................................................................................... 16
12 Layer 3 Routing ................................................................................... 17
13 TPS62351EVM-122 Schematic ................................................................. 18
List of Tables
1 HPA122A BOM .................................................................................... 19
Windows2000, WindowsXP are trademarks of Microsoft Corporation.
I
2
C is a trademark of Philips Electronics.
SLVU186 – October 2006 TPS62351EVM 1
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