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[FAQ] BQ25700A: Why does BQ25700A start charging during initial power on?

Part Number: BQ25700A
Other Parts Discussed in Thread: BQ25703A, BQ25713, BQ25710, BQ25720, BQ25730, BQ25723

When the battery voltage is zero or fully depleted, it requires the host to charge it up, however, sometimes, the host is powered off the battery. BQ25700A has an auto wakeup feature to address this situation. BQ25700A will automatically enable 128 mA charging current for 30 mins. When the battery is charged up above minimum system voltage, charge will terminate and the AUTO_WAKEUP_EN bit is reset to LOW.

The default setting of AUTO_WAKEUP_EN bit is 1 for BQ25700A/BQ25703A and BQ25710/BQ25713.

The default setting of AUTO_WAKEUP_EN bit is 0 for BQ25720/BQ25723 and BQ25730.