The RT9502GQW is a PMIC (power management integrated circuit) Battery Management WDFN-10_3x3mm manufactured by the Richtek Technology Corporation. This device is designed to manage Li-Ion battery cells, providing a number of functions such as battery voltage control, charge current limits and monitoring, over voltage protection, short-circuit protection, current limiting, thermal protection, and charging fault indication. It also offers a battery gauge interface, an I2C interface, and a loss-of-ground and thermal warning output. It is RoHS compliant and is supplied in a WDFN-10_3x3mm package, making it suitable for compact designs.