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User's Guide
SLVU226B – October 2007 – Revised December 2007
Single-Channel, Power-Distribution Switch EVM
This user’s guide describes the TPS20xxEVM-290 and TPS20xxEVM-292 evaluation modules (EVM).
This guide contains the EVM schematics, bill of materials, assembly drawings, and top and bottom board
layouts.
Contents
1 Introduction ................................................................................................................... 2
2 Schematics and Bill of Materials ........................................................................................... 2
2.1 EVM Options ........................................................................................................ 2
2.2 Schematics .......................................................................................................... 3
2.3 Bill of Material ....................................................................................................... 5
3 Board Layout ................................................................................................................. 7
3.1 TPS20xxEVM-290 Board .......................................................................................... 7
3.2 TPS20xxEVM-292 Board .......................................................................................... 9
3.3 Layout Considerations ............................................................................................ 10
4 EVM Setup .................................................................................................................. 10
4.1 Recommended Test Equipment ................................................................................ 10
4.2 Measuring Current Limit .......................................................................................... 10
5 Related Documentation from Texas Instruments ...................................................................... 11
List of Figures
1 TPS20xxEVM-290 Schematic .............................................................................................. 3
2 TPS20xxEVM-292 Schematic .............................................................................................. 4
3 TPS20xxEVM-290 Component Placement ............................................................................... 7
4 TPS20xxEVM-290 Top-Side Layout ...................................................................................... 8
5 TPS20xxEVM-290 Bottom-Side Layout................................................................................... 8
6 TPS20xxEVM-292 Component Placement ............................................................................... 9
7 TPS20xxEVM-292 Top-Side Layout ...................................................................................... 9
8 TPS20xxEVM-292 Bottom-Side Layout ................................................................................. 10
9 EVM Setup For Measuring Current Limit ............................................................................... 11
10 TPS2051BEVM-290 Short-Circuit Output Current and OC Status .................................................. 11
List of Tables
1 TPS20xxEVM-290 Options ................................................................................................. 2
2 TPS20xxEVM-292 Options ................................................................................................. 2
3 TPS20xxEVM-290 Bill of Materials ........................................................................................ 5
4 TPS20xxEVM-292 Bill of Materials ........................................................................................ 7
SLVU226B – October 2007 – Revised December 2007 Single-Channel, Power-Distribution Switch EVM 1
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