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BQ35100: Battery Low Warning at Zero Second Set Time

Part Number: BQ35100
Other Parts Discussed in Thread: EV2400, BQSTUDIO

Hi,

My main question: I would like to know if it possible to detect BatteryAlert()[BATLOW] within time less than 1s in bq35100? The nearest to 0s the better. If it possible then how?

My test result:

  • Using: custom board with bq35100, EV2400, logic analyzer for i2c communication and oscilloscope for Alert signal
  • BatLow Voltage Set Threshold range is from 1s to 60s. the bqstudio dose not allow for higher value than 60s, but I only care for value less than 1s
  • I tried BatLow Voltage Set Threshold = 1s and it work as expected
  • Then I tried BatLow Voltage Set Threshold = 0s and the BatteryAlert()[BATLOW] did not set !! even I wait for more than 10s!!