The RT9513GQW is a Power Management Integrated Circuit (PMIC) manufactured by Richtek. It is a Battery Management WDFN-10L RoHS (reduction of hazardous substances) package. The device features an enhanced battery charge management for Li-Ion, LiFePO4, and Li-Pol battery packs. It also supports various input power sources including Wall Adapters, USB, and UPS. Additionally, the device provides over current, over voltage, over temperature, and short circuit protections. It also has Hiccup and Valley current protections. The device has an operating supply voltage range of 4.5V to 16V and the charging voltage can be set up to 20V. The RT9513GQW has a WDFN-10L (10-Lead Wafer Level Chip-Scale Package) package and is RoHS compliant.