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User's Guide
SLUUB53 – July 2014
Control Card in Digitally Controlled Off-Line Isolated
Power Converters
This user’s guide describes the characteristics, operation, and use of the UCD3138A64CEVM-660
evaluation module (EVM). The UCD3138A64CEVM-660 is a fully assembled and tested platform for
evaluating the performance of the UCD3138A64 digital controller device from Texas Instruments. This
document includes schematic diagrams, a printed circuit board (PCB) layout, bill of materials, and test
data. Throughout this document, the abbreviations EVM, UCD3138A64CEVM, and the term evaluation
module are synonymous with the UCD3138A64CEVM-660, unless otherwise noted.
Contents
1
Introduction
...................................................................................................................
2
Description
....................................................................................................................
2.1
Typical Applications
................................................................................................
2.2
Features
..............................................................................................................
2.3
Configuring the EVM to Access EEPROM SPI or I
2
C Communication with UCD3138A64
...............
3
Specifications
.................................................................................................................
4
Schematics
...................................................................................................................
5
Test Equipment
..............................................................................................................
5.1
PC Computer
........................................................................................................
5.2
Oscilloscope
........................................................................................................
6
Equipment Setup
.............................................................................................................
6.1
Graphical User Interface (GUI)
....................................................................................
6.2
Hardware Setup
.....................................................................................................
6.3
List of Test Points
..................................................................................................
7
Test Procedure
.............................................................................................................
7.1
Download Firmware Code to UCD3138A64EVM-660
........................................................
7.2
Erase Firmware Code from UCD3138A64EVM-660
..........................................................
7.3
Equipment Shutdown
.............................................................................................
8
EVM Assembly Drawing and PCB layout
...............................................................................
9
Bill of Materials
.............................................................................................................
Appendix A
Summary of Using Code Composer Studio v5.5
..............................................................
List of Figures
1
UCD3138A64EVM-660 Schematics (1 of 2)
.............................................................................
2
UCD3138A64EVM-660 Schematics (2 of 2)
.............................................................................
3
USB-to-GPIO Interface Adapter (HPA172)
...............................................................................
4
UCD3138A64EVM-660 Test Connections
................................................................................
5
UCD3xxx/UCD9xxx Device GUI
..........................................................................................
6
Firmware Code Downloading
.............................................................................................
7
UCD3138A64EVM-660 Top Layer Assembly Drawing (Top View)
..................................................
8
UCD3138A64EVM-660 Bottom Assembly Drawing (No Components)
.............................................
9
UCD3138A64EVM-660 Top Copper (Top View)
.......................................................................
10
UCD3138A64EVM-660 Internal Layer 1 (Top View)
..................................................................
11
UCD3138A64EVM-660 Internal Layer 2 (Top View)
..................................................................
12
UCD313A64CEVM-660 Bottom Copper (Top View)
...................................................................
1
SLUUB53 – July 2014
Control Card in Digitally Controlled Off-Line Isolated Power Converters
Copyright © 2014, Texas Instruments Incorporated