RT9422A Datasheet (Richtek) - Pack Side Single Cell Fuel Gauge

RT9422A, Pack Side Single Cell Fuel Gauge

The RT9422A Li-Ion/Li-Polymer battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell battery packs.

The RT9422A resides within the battery pack and manages a non-removable battery or removable battery pack.

The RT9422A reports StateOfCharge, StateOfHealth, Full

RT9422A Features

* of the RT9422A can be used to indicate more serious faults via the SAFE pin. This pin can be used to blow an in-line fuse to permanently disable the battery pack from charging or discharging. The SAFE pin also can used to detect secondary protection IC status and log battery status in the NVM when p