Copyright © 2012, Texas Instruments Incorporated
EQUIPMENT SETUP
6.3 Load
The load test for DC-DC is performed on one SMPS at a time is:
1. 1. Set the load in 4-W mode.
2. Connect the electronic load to the DC-DC outputs at J12 for SMPS2 through SMPS5, as shown in
Table 11. Electronic Load Connections
SMPS
F+
F–
S+
S–
SMPS2
J12(6)
J12(4)
J12(5)
J12(3)
SMPS3
J12(8)
J12(4)
J12(7)
J12(3)
SMPS4
J12(10)
J12(4)
J12(9)
J12(3)
SMPS5
J12(12)
J12(4)
J12(11)
J12(3)
3. Connect the electronic load to the DCDC outputs at J13 for SMPS1.
Table 12. Electronic Load Connections
SMPS
F+
F–
S+
S–
SMPS1
J9(1)
J9(3)
J9(2)
J9(4)
4. Special attention must be taken of the force and the sense connections marked on the J9. SMPS 1
can load up to 5 A.
6.4 Meter
A voltmeter is used to measure input and output voltages.
6.5 Recommended Wire Gauge
To reduce voltage drop and improve the accuracy of loads and measurements, use a minimum
connection wire of 22 AWG.
6.6 Install GUI
The GUI accompanying this device is simple and runs on a Windows PC. Ensure that your machine
supports Microsoft .NET Framework 3.5.
6.6.1
Installation Instructions
To install the GUI perform the following steps:
1. Unzip the installable file,
2. Create a new folder or unzip it into any appropriate windows folder. By default, the GUI is installed in
C:\Program Files\Texas Instruments\TWL6032EVM.
3. Open the GUI by clicking the Setup.exe icon in the folder created in Step 2. The GUI can also be
opened by clicking:
Start → All Programs → Texas Instruments → TWL6032
Two files are generated: MSP Firmware upgrade utility and TWL6032 EVM
6.6.2
GUI Files
The GUI software consists of the following files:
• .dll
• .exe
• .xml
The .xml file is the main file that contains all the device registers. The registers in this file are categorized
in blocks according to the functions. The .xml file also specifies the slave I
2
C address for the device.
SWCU105 – October 2012
TWL6032 Evaluation Module (EVM) User’s Guide
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