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User's Guide
SLVU499–January 2013
TPS50601SPEVM, 6-A/12-A, SWIFT™ Regulator Evaluation
Module
This user’s guide contains background information for the TPS50601 as well as support documentation for
the TPS50601 evaluation modules (TPS50601SPEVM-S and TPS50601SPEVM-D). Also included are the
performance specifications, the schematic, and the bill of materials for TPS50601SPEVM.
Contents
1 Introduction .................................................................................................................. 2
2 Synchronization (SYNC) ................................................................................................... 5
3 Test Setup and Results .................................................................................................... 6
4 Board Layout ............................................................................................................... 18
5 Schematic and Bill of Materials .......................................................................................... 24
List of Figures
1 TPS50601SPEVM Efficiency.............................................................................................. 7
2 TPS50601SPEVM Low-Current Efficiency .............................................................................. 7
3 TPS50601SPEVM Line Regulation....................................................................................... 8
4 TPS50601SPEVM Transient Response ................................................................................. 8
5 Power Stage Gm............................................................................................................ 9
6 TPS50601SPEVM Loop Response V
IN
= 5V, V
OUT
= 2.5V @ 6A ................................................... 10
7 TPS50601SPEVM Power Stage V
IN
= 5V, V
OUT
= 2.5V @ 6A....................................................... 10
8 TPS50601SPEVM Loop Response Dual Mode V
IN
= 5V, V
OUT
= 2.5V @ 12A .................................... 11
9 TPS50601SPEVM Power Stage Dual Mode V
IN
= 5V, V
OUT
= 2.5V @ 12A........................................ 11
10 TPS50601SPEVM Output Ripple ....................................................................................... 12
11 TPS50601SPEVM Input Ripple ......................................................................................... 13
12 Dual Phase Waveform V
IN
= 4V, V
OUT
= 2.5V @ 12A , f
SW
= 100kHz............................................... 14
13 Current Sharing vs Load Current at Dual POL ........................................................................ 15
14 TPS50601SPEVM Start-Up Relative to V
IN
............................................................................ 16
15 TPS50601SPEVM Start-up Relative to Enable........................................................................ 17
16 TPS50601SPEVM Top-Side Layer ..................................................................................... 19
17 TPS50601SPEVM Layer 2............................................................................................... 20
18 TPS50601SPEVM Layer 3............................................................................................... 21
19 TPS50601SPEVM Bottom-Side Layer.................................................................................. 22
20 TPS50601SPEVM Bottom-Side Assembly............................................................................. 23
List of Tables
1 Input Voltage and Output Current Summary ............................................................................ 2
2 TPS50601SPEVM Performance Specification Summary.............................................................. 3
3 Output Voltages Available ................................................................................................. 3
4 EVM Connectors and Test Points ........................................................................................ 6
5 TPS50601SPEVM Single Phase Bill of Materials..................................................................... 29
6 TPS50601SPEVM Dual Phase Bill of Materials....................................................................... 31
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SLVU499–January 2013 TPS50601SPEVM, 6-A/12-A, SWIFT™ Regulator Evaluation Module
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