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SLUUBJ6 – November 2016
Copyright © 2016, Texas Instruments Incorporated
Green TPS53355EVM-864 Evaluation Module
User's Guide
SLUUBJ6 – November 2016
Green TPS53355EVM-864 Evaluation Module
The TPS53355EVM-864 evaluation module (EVM) allows users to evaluate the TPS53355. The
TPS53355 is a D-CAP™ mode, 30-A synchronous buck converter with integrated MOSFETs. It provides a
fixed 1.5-V output at up to 30 A from a 12-V input bus.
Contents
1
Introduction
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1.1
Before You Begin
...................................................................................................
2
Description
....................................................................................................................
2.1
Typical Applications
................................................................................................
2.2
Features
..............................................................................................................
3
Electrical Performance Specifications
.....................................................................................
4
Schematic
.....................................................................................................................
5
Test Setup
....................................................................................................................
5.1
Test Equipment
.....................................................................................................
5.2
Recommended Test Setup
........................................................................................
6
Configurations
................................................................................................................
6.1
Switching Frequency Selection
...................................................................................
6.2
Soft-Start Selection
.................................................................................................
6.3
Mode Selection
......................................................................................................
6.4
Enable Selection
...................................................................................................
7
Test Procedure
...............................................................................................................
7.1
Line/Load Regulation and Efficiency Measurement Procedure
..............................................
7.2
Control Loop Gain and Phase Measurement Procedure
......................................................
7.3
Test Point List
......................................................................................................
7.4
Equipment Shutdown
.............................................................................................
8
Performance Data and Typical Characteristic Curves
.................................................................
8.1
Efficiency
...........................................................................................................
8.2
Load Regulation
...................................................................................................
8.3
Line Regulation
....................................................................................................
8.4
Enable Turnon/Turnoff
............................................................................................
8.5
Output Ripple
.....................................................................................................
8.6
Switching Node
....................................................................................................
8.7
Output Transient With Auto-Skip Mode
........................................................................
8.8
Output Transient With FCCM Mode
............................................................................
8.9
Output 0.75-V Prebias Turnon
...................................................................................
8.10
Output Overcurrent and Short-Circuit Protection
..............................................................
8.11
Bode Plot
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8.12
Thermal Image
.....................................................................................................
9
EVM Assembly Drawing and PCB Layout
..............................................................................
10
Bill of Materials
.............................................................................................................
List of Figures
1
TPS53355EVM-864 Schematic
............................................................................................
2
Tip and Barrel Measurement for VOUT Ripple
..........................................................................
3
TPS53355EVM-864 Recommended Test Setup
........................................................................
4
Efficiency
....................................................................................................................