SLUUBD4A April 2016 – November 2022 BQ27220
If the [OTC] condition exists for a time that exceeds the OT Chg Time period, the BQ27220 device goes into an overtemperature charge condition. This function is disabled if OT Chg Time is set to 0.
In an overtemperature charge condition, the ChargingVoltage() and ChargingCurrent() are set to 0, and the [OTC] bit is set in the BatteryStatus() register. The default setting is 2 s.