Battery Management Studio
10
SLUUBP4 – June 2017
Copyright © 2017, Texas Instruments Incorporated
bq27750EVM 1-Series Li-Ion Battery Pack Manager Evaluation Module
3.5
Authentication Screen
The bq27750 supports SHA-1 HMAC authentication with the host system. The authentication screen of
bqStudio allows for the SHA-1 calculator to be tested, perform gauge authentication by the host and
change the gauge authentication key.
Figure 6. Authentication Screen
3.6
Chemistry Selection
The chemistry file contains parameters that the simulations use to model the cell and its operating profile.
It is critical to program a
Chemistry ID
that matches the cell into the device. Some of these parameters
can be viewed in the Data Flash section of the
Battery Management Studio
.
Press the
Chemistry
button to select the
Chemistry
window.
•
The table can be sorted by clicking the desired column. For example: Click the
Chemistry ID
column
header.
•
Select the
Chemistry ID
that matches your cell from the table (see
•
Press
Update Chemistry from Database
to update the chemistry in the device.
