User's Guide
SLVUAE2A–January 2015–Revised November 2015
TPS22968/68N-Q1 Dual Channel, 5.5-V, 4-A, 27-mΩLoad
Switch Evaluation Module
The TPS22968Q1EVM and TPS22968NQ1EVM evaluation modules contain a dual channel, 5.5-V, 4-A,
27-mΩon-resistance load switch with controlled turn on and adjustable rise time.
Contents
1 Description.................................................................................................................... 2
1.1 Typical Applications ................................................................................................ 2
1.2 Features.............................................................................................................. 2
2 Electrical Performance Specifications..................................................................................... 3
3 Schematic..................................................................................................................... 3
4 Layout ......................................................................................................................... 4
5 Setup .......................................................................................................................... 5
5.1 J1 VIN1/J2 VIN2 – Input Connections ........................................................................... 5
5.2 J3 VOUT1/J4 VOUT2 – Output Connections ................................................................... 5
5.3 JP1 – VBIAS......................................................................................................... 5
5.4 JP2/JP3 - Input Capacitors........................................................................................ 6
5.5 JP4/JP5/JP6/JP7 – Output Parallel Connections............................................................... 6
5.6 TP1/TP2 – VIN1-VIN2.............................................................................................. 6
5.7 TP3/TP4 - VIN Sense, TP7/TP8 - VOUT Sense ............................................................... 6
5.8 TP5/TP6 – VOUT1-VOUT2........................................................................................ 6
5.9 TP10 – VBIAS....................................................................................................... 6
5.10 TP9/TP11 – ON1-ON2............................................................................................. 6
5.11 TP12 – VOUT1 // VOUT2.......................................................................................... 6
5.12 TP13 – TP17 GND ................................................................................................. 6
5.13 List of Test Points................................................................................................... 7
5.14 Test Procedure...................................................................................................... 7
5.15 RON Test Procedure................................................................................................. 8
5.16 tR, tON, tF, tOFF Test Procedure...................................................................................... 8
6 Test Setup .................................................................................................................... 9
7 Performance Data and Typical Characteristic Curves................................................................. 11
7.1 tRand tON Scope Capture ........................................................................................ 11
7.2 tFand tOFF Scope Capture ........................................................................................ 12
7.3 Parallel Switch Operation ........................................................................................ 12
8 Bill of Materials ............................................................................................................. 13
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SLVUAE2A–January 2015–Revised November 2015 TPS22968/68N-Q1 Dual Channel, 5.5-V, 4-A, 27-mΩLoad Switch Evaluation
Module
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