Load Switch EVM User's Guide

Contents
1 TPS22921/22/22B Load Switch Evaluation Module (EVM) ................................................ 5
1.1 Introduction ................................................................................................................... 5
2 Schematics and Bill of Materials .................................................................................. 7
2.1 EVM Options ................................................................................................................. 7
2.2 Schematic ..................................................................................................................... 7
2.3 Bill of Materials ............................................................................................................... 8
3 Board Layout ............................................................................................................. 9
3.1 TPS22921/22/22B EVM Board ............................................................................................. 9
3.2 Layout Considerations ..................................................................................................... 11
4 EVM Setup ............................................................................................................... 13
4.1 Recommended Test Equipment .......................................................................................... 13
4.2 Calculating Voltage Drop and Load Current ............................................................................ 13
5 Related Documentation from Texas Instruments .......................................................... 15
Important Notices ............................................................................................................... 16
SLVU286 – January 2009 Contents 3
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