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SLUUC03 – February 2019
Copyright © 2019, Texas Instruments Incorporated
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
Specification Summary
......................................................................................................
3
Modifications
..................................................................................................................
3.1
Output Voltage Setpoint
............................................................................................
3.2
Mode Selection
......................................................................................................
4
Schematic and Board layout
...............................................................................................
4.1
Schematic
............................................................................................................
4.2
Board Layout
........................................................................................................
5
EVM Test Setup
..............................................................................................................
5.1
Connectors and Jumpers Description and Placement
.........................................................
5.2
Start-up Procedure
.................................................................................................
6
Test Waveforms
..............................................................................................................
6.1
Power up
.............................................................................................................
6.2
Power down
.........................................................................................................
6.3
Output Voltage Ripple
............................................................................................
6.4
Load Transient Response
........................................................................................
6.5
Thermal
.............................................................................................................
7
List of Materials and Reference
..........................................................................................
7.1
List of Materials
....................................................................................................
7.2
Reference
..........................................................................................................
List of Figures
1
TPS566235EVM-036 Evaluation Module Schematic
..................................................................
2
Component Placement (Top Layer)
......................................................................................
3
Board Layout (Top Layer)
..................................................................................................
4
Board Layout (Second Layer)
..............................................................................................
5
Board Layout (Third Layer)
.................................................................................................
6
Board Layout (Bottom Layer)
..............................................................................................
7
Connectors and Jumpers Placement (Top View)
.......................................................................
8
Connectors and Jumpers Placement (Bottom View)
....................................................................
9
Power up with 6 A loading controlled by EN pin
.........................................................................
10
Power Down with 6-A Loading Controlled by EN Pin
.................................................................
11
V
OUT
Ripple with 0-A Loading
.............................................................................................
12
V
OUT
Ripple with 6-A Loading
.............................................................................................
13
Load Transient Response from 0 A to 6 A with R6 = 0
Ω
and C13 = 100 pF
.....................................
14
Load Transient Response from 1.2 A to 4.8 A with R6 = 0
Ω
and C13 = 100 pF
.................................
15
Thermal Information at 6-A Full Loading
................................................................................
List of Tables