Battery Management Studio
3.3.3
Current Calibration
•
Select the
Calibrate CC Offset
and
Calibrate Board Offset
boxes and insure that there is no current
flow.
•
Press the
Calibrate Gas Gauge
button to calibrate.
•
Deselect the
Calibrate CC Offset
and
Calibrate Board Offset
boxes after current calibration has
completed.
•
Connect and measure a 2-A load from BAT+ and PACK– to calibrate the current gain.
•
Enter –2000 in the Applied Current field and select the Calibrate Current box.
•
Press the
Calibrate Gas Gauge
button to calibrate.
•
Deselect the Calibrate Current box after current calibration has completed.
3.4
Chemistry Screen
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. See
.
Figure 5. Chemistry Screen
•
The table can be sorted by clicking the desired column. For example: Click the Chemistry ID column
header.
•
Select the ChemID that matches your cell from the table (
).
•
Press the
Update chemistry in the data flash
button to update the chemistry in the device.
9
SLUU904A – April 2012 – Revised February 2015
bq34z100EVM Wide Range Impedance Track™ Enabled Battery Fuel Gauge
Solution
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