Hi,
We are observing a very weird behavior of BQ27421-G1A fuel gauge. Our battery operated device was working fine normally and fuel gauge was giving correct battery level. But after some time it starts giving '00' as battery level. When this issue occurs we tried to read some other registers like FLAGS and CONTROL STATUS, but it returns '00' for both the registers too.
Even we tried to measure LDO output voltage, which should be 1.8V normally, but that was 0V when this issue occurs. After debugging it seems that Fuel Gauge goes to Shutdown mode. We have observed this issue in 20 devices out of 100 devices.
The Fuel Gauge is connected to SOC over I2C and the we are not sending I2C commands to shutdown the fuel gauge.
So we are not able to understand, how it goes to Shutdown automatically?
Appreciate your quick reply.
Thanks,
Dhaval
