Battery Management Studio
3.2
Setting Programmable bq34z100 Options
The bq34z100 data flash comes configured per the default settings detailed in the bq34z100 datasheet.
Ensure that the settings are correctly changed to match the pack and application for the solution being
evaluated.
NOTE:
The correct setting of these options is essential to get the best performance. The settings
can be configured using the
Data Memory
screen (see
Figure 3. Data Memory Screen
3.2.1
Cell Configuration
The bq34z100 operates in one of two modes for measuring battery voltage. Place two jumpers on header
J5 to select the mode of operation. Refer to the
.
For packs where the stack voltage is less than 5 V:
•
Set the
Number of Series Cells
parameter field to the appropriate value
•
Reset the gauge using the
RESET
button on the
Commands
panel
•
Calibrate the stack voltage. Reference the
Calibration Screen
section
For packs where the stack voltage is less than 5 V:
•
Set the
Number of Series Cells
parameter field to the appropriate value
•
Set the
VOLTSEL
bit in the
Pack Cfg A
register
•
Reset the gauge using the
RESET
button on the
Commands
panel
•
Calibrate the stack voltage. Reference the
Calibration Screen
section
7
SLUU904A – April 2012 – Revised February 2015
bq34z100EVM Wide Range Impedance Track™ Enabled Battery Fuel Gauge
Solution
Copyright © 2012–2015, Texas Instruments Incorporated
