Datasheet

User's Guide
SLVU349–October 2009
TPS43331EVM
Contents
1 Introduction .................................................................................................................. 2
2 Setup ......................................................................................................................... 2
2.1 2.1. Input/Output Connector Descriptions ...................................................................... 2
2.2 Setup ................................................................................................................ 5
2.3 Operation ............................................................................................................ 5
3 Board Layout ................................................................................................................ 5
4 Schematics and Bill of Materials .......................................................................................... 9
List of Figures
1 Control Switch Diagram .................................................................................................... 3
2 Reverse Battery Protection Diode Bypass Jumper Settings .......................................................... 4
3 MSP430 Regulator Jumper Settings ..................................................................................... 4
4 I
2
C Interface Jumper Settings ............................................................................................. 5
5 Top Assembly Layer........................................................................................................ 6
6 Top Layer Routing .......................................................................................................... 7
7 Bottom Assembly Layer.................................................................................................... 7
8 Bottom Layer Routing ...................................................................................................... 8
9 Internal Power Plane Layer................................................................................................ 8
10 Internal Ground Plane Layer .............................................................................................. 8
11 TPS43331EVM Schematic ............................................................................................... 10
12 MSP430 Controller Schematic........................................................................................... 10
List of Tables
1 Device and Package Configurations ..................................................................................... 2
2 SYNCH Frequency Select and Enable Switch Settings ............................................................... 3
3 Switched Regulator 1 Switch Setting..................................................................................... 3
4 Switched Regulator 2 Switch Setting..................................................................................... 4
5 Switched Linear Regulator Switch Setting............................................................................... 4
6 High-Side Driver Switch Setting........................................................................................... 4
7 TPS43331EVM Bill of Materials ......................................................................................... 11
PowerPAD is a trademark of Texas Instruments.
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SLVU349–October 2009 TPS43331EVM
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