Operation
7
SLUUBF9 – March 2016
Copyright © 2016, Texas Instruments Incorporated
bq4050EVM-561 Evaluation Module
3.2
Setting Programmable bq4050 Options
The bq4050 comes configured per the default settings detailed in the bq4050 TRM (
). Ensure
that the settings are correctly changed to match pack and application for the bq4050 solution being
evaluated.
IMPORTANT:
The bq4050 comes up
UNSEALED
but
not
in
FULL ACCESS
. The keys to enter
FULL
ACCESS
must be sent to the device before being able to access the data memory.
IMPORTANT:
The correct setting of these options is essential to get the best performance. The settings
can be configured using the
Data Memory
window (
Figure 4. Data Memory Screen
To read all the data from the bq4050 non-volatile flash memory, click on the
Read All
button on the
Data
Memory
window. Make sure the device is not sealed and in full access to read or write to the data
memory. To update a parameter, click on the desired parameter and a window pops-up that provides
details on the selected parameter. Next, enter the value in the value textbox and press
Enter
. After
pressing
Enter
, bqStudio updates the selected parameter. The
Import
button in the
Data Memory
window
can be clicked in order to import an entire configuration from a specified *.gg.csv file.
Save the configuration to a file by clicking the
Export
button in the
Data Memory
window and entering a
file name. The configuration is saved to a *.gg.csv file. The module calibration data is also held in the
bq4050 data memory. If the
Gauge Dashboard
is not displaying any information, then the bq4050 may not
be supported by the bqStudio version being used, a bqStudio upgrade may be required.
