Texas Instruments UCC5870QDWJEVM-026, User Manual, Page: 7 / 34

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Test Summary
7 SLUUC64 – June 2020
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UCC5870QDWJEVM-026 Evaluation Module User’s Guide
4 Test Summary
In this section, the UCC5870-Q1 EVM is tested in its default configuration. Different jumper settings, PWM
signal input options, and voltage source settings can be found in
Section 2.3 Electrical Specifications.
4.1 Equipment
4.1.1 Power Supplies
Two DC power supply with voltage/current above 5-V/0.1-A and 35-V/0.5-A (for example: Agilent E3634A)
4.1.2 Computer
One computer with Windows system and UCC5870 EVM GUI installed
4.2 Equipment Setup
4.2.1 DC Power Supply Settings
• DC power supply #1
– Voltage setting: 4.5-V, there is LDO circuit on the board which will regulate voltage to 3.3V for the
driver VCC1
– Current limit: 0.2-A
• DC power supply #2
– Voltage setting: 12-V, as the input of the flyback power supply on the board
– Current limit: 0.2 A
4.2.2 EVM GUI Program Installation
• UCC5870-Q1 EVM GUI program should be downloaded and installed. This software requires GUI
Composer runtime v7.4.1. You can download it during the installation of this GUI software.
Alternatively, you can get the runtime here:
https://software-dl.ti.com/ccs/non-
esd/gui_composer/runtime .
4.2.3 Jumper (Shunt) Settings
The are four jumpers need to be configured on the MCU board for different SPI communication methods
which include regular SPI, daisy chain SPI and address mode SPI. Default setting as in
Figure 1 is for
regular SPI communication.
Figure 1. Default Jumper Settings for EVM MCU Daughter Board (Regular Mode SPI)