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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.
The correct setting of these options is essential to get the best performance. The settings can be
configured using the Data Memory screen (see
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 greater 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 Screensection
8
bq34z100EVM Wide Range Impedance Track™ Enabled Battery Fuel Gauge
Solution
Note
Figure
3-2)
Figure 3-2. Data Memory Screen
Section
2.3.
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SLUU904B – APRIL 2012 – REVISED APRIL 2021
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