The SC8906QFER with PMIC - Battery Management QFN-21 RoHS manufactured by Southchip is a three-cell Li-ion battery management chip specifically designed to intelligently monitor, protect, and control a Li-ion battery stack for applications such as notebook computers, tablets, and similar mobile devices. It features a 3.3V to 12V operating voltage range, integrated battery gauge, protection functions, and programmable cutoff voltage/current settings. The device also includes over-voltage, over-current, over-temperature, and short-circuit protection. It is RoHS compliant and comes in a 21-pin Quad Flat No-lead (QFN) package.