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SLUUC03–February 2019
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TPS566235EVM-036 evaluation module
User's Guide
SLUUC03–February 2019
TPS566235EVM-036 evaluation module
This user’s guide contains the information for TPS566235EVM-036 evaluation module as well as
TPS566235 DC/DC converter. Also included are the specification, schematic, printed-circuit board (PCB)
layout, hardware setup, and list of materials.
Contents
1 Introduction ................................................................................................................... 2
2 Specification Summary...................................................................................................... 2
3 Modifications.................................................................................................................. 2
3.1 Output Voltage Setpoint............................................................................................ 2
3.2 Mode Selection...................................................................................................... 3
4 Schematic and Board layout ............................................................................................... 3
4.1 Schematic............................................................................................................ 3
4.2 Board Layout ........................................................................................................ 3
5 EVM Test Setup.............................................................................................................. 6
5.1 Connectors and Jumpers Description and Placement......................................................... 6
5.2 Start-up Procedure ................................................................................................. 9
6 Test Waveforms.............................................................................................................. 9
6.1 Power up............................................................................................................. 9
6.2 Power down ......................................................................................................... 9
6.3 Output Voltage Ripple ............................................................................................ 10
6.4 Load Transient Response........................................................................................ 11
6.5 Thermal............................................................................................................. 12
7 List of Materials and Reference .......................................................................................... 12
7.1 List of Materials.................................................................................................... 13
7.2 Reference .......................................................................................................... 13
List of Figures
1 TPS566235EVM-036 Evaluation Module Schematic .................................................................. 3
2 Component Placement (Top Layer) ...................................................................................... 4
3 Board Layout (Top Layer) .................................................................................................. 4
4 Board Layout (Second Layer).............................................................................................. 5
5 Board Layout (Third Layer)................................................................................................. 5
6 Board Layout (Bottom Layer) .............................................................................................. 6
7 Connectors and Jumpers Placement (Top View) ....................................................................... 7
8 Connectors and Jumpers Placement (Bottom View).................................................................... 8
9 Power up with 6 A loading controlled by EN pin......................................................................... 9
10 Power Down with 6-A Loading Controlled by EN Pin ................................................................. 10
11 VOUT Ripple with 0-A Loading ............................................................................................. 10
12 VOUT Ripple with 6-A Loading ............................................................................................. 11
13 Load Transient Response from 0 A to 6 A with R6 = 0 Ωand C13 = 100 pF ..................................... 11
14 Load Transient Response from 1.2 A to 4.8 A with R6 = 0 Ωand C13 = 100 pF................................. 12
15 Thermal Information at 6-A Full Loading................................................................................ 12
List of Tables
