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BQ40Z50-R2: Incorrect Capacity Readings

Part Number: BQ40Z50-R2
Other Parts Discussed in Thread: GPCCHEM

Hi Everyone

I have a design using a BQ40Z50R2 and a single cell battery 4000mAh capacity 4.2 volt.

When I first start up the system with a fully charged battery I sometimes see incorrect values in the gauge registers

Relative State of charge = 100%

Max Error = 100%

Absolute state of charge = 0%

Remaining capacity = 0 mAh

Fully charged capacity = 0 mAh

Our software sees this as a low battery condition and doesn't start up.