SLUSDC7A March 2020 – November 2020 BQ25306
The internal bias circuits are powered from the input source. The REGN supplies internal bias circuits as well as the HSFET and LSFET gate drive. The REGN also provides voltage rail to STAT LED indication. The REGN is enabled when all the below conditions are valid:
REGN remains on at fault conditions. REGN is powered by VBUS only and REGN is off when VBUS power is removed.