SC8982 is a highly integrated buck-boost charger optimized for 1~2 cell Li-ion and Li-polymer batteries. It integrates 4 switching power MOSFETs for the buck-boost operation, and can support up to 22V input voltage, so can be used to effectively manage the charging process no matter adapter voltage is higher, lower or equal to battery voltage. The IC can also discharge the cells and delivers desired output up to 21V. The IC also integrates the battery FET to support the NVDC (Narrow VDC) power path management. It provides a high-density battery charging solution for the smart phone, tablet and other portable devices and supports the USB type-C PD (Power Delivery) charging easily. The IC integrates a 10-bit ADC so user can monitor the voltage and current for both inputs, system output and also the battery easily. Through its I2C interface, user can set the charging / discharging mode easily, and program the charging current, charging voltage, system voltage, reserve output voltage, current limits and other parameters flexibly. The IC supports internal current limit, over voltage protection, output short protection and over temperature protections to ensure safety under abnormal conditions. The IC is in a 30-pin 4mm x 5mm QFN package.