Texas Instruments BMS027, User Manual

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Test Setup and Results
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6 SLUUC51A – June 2020 – Revised July 2020
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BQ25790EVM (BMS027) Evaluation Module User's Guide
Figure 1. Equipment Test Setup for BMS027A
2.3 Software Setup
Download the latest version of BQSTUDIOTEST . Double click the Battery Management Studio installation
file and follow the installation steps. The software supports Microsoft
®
Windows
®
XP, 7, and 10 operating
systems. Launch BQSTUDIO and select Charger . If the BQ25790EVM configuration file for BQSTUDIO
does not appear in the Charger, close BQSTUDIO and either download the .BQZ file from the
BQ25790EVM product file at
www.ti.com or request the file via e2e.ti.com . The file must be saved into
C:\XXX\BatteryManagementStudio\config, where XXX is the directory you selected to install BQSTUDIO.
2.4 Test Procedure
2.4.1 Initial Settings
Use the following steps to enable the EVM test setup.
1. Make sure Section 2.2 steps have been followed.
2. Remove the shunt on JP18 to disable charge.
3. Launch the BQSTUDIO software and select Charger then BQ25790EVM, if not already done.
4. Turn on PS1 and Load #1:
• Measure ➡ V
SYS-PGND
(TP26 and TP48) = 8.55 V ±0.2 V
5. Verify PG LED (D13) is on.
NOTE: If the PG LED is not lit, confirm a valid PS1 is connected and the correct shunt configuration
was placed.
2.4.2 Communication Verification
Use the following steps for communications verification:
1. In Battery Management Studio, select "READ REGISTER" at the top of the page. "Device ACK OK"