SC8931_上海南芯 中文资料 规格书 pdf 下载电源管理芯片全线代理.pdf

SC8931 DATASHEET SOUTHCHIP SEMICONDUCTOR SOUTHCHIP CONFIDENTIAL, SUBJECT TO CHANGE High Efficiency, Synchronous Buck Charger for 1-2 cell Li-ion Battery 1 DESCRIPTION 2 FEATURES The SC8931 is a highly integrated switch-mode buck charger  Integrated Synchronous Buck Charger for 1-2 cell Li-ion battery applications. It supports 4-13.5V  Charging Management (Trickle Charge / Constant input, up to 3A charging current and provides battery charge Current Charge / Constant Voltage Charge / Charge management functions including trickle charge, constant Termination/Auto recharge) current charge, constant voltage charge, charge termination and charging status indication.  Programmable Constant Charge Current  Selectable Target Voltage: The SC8931 supports flexible charge current option, and the user can program the current freely through external resistor  4.2V/4.3V/4.35V/4.4V for 1s for different applications. With the charger management  8.4V/8.6V/8.7V/8.8V for 2s function, the IC can be used to charge 1-2 cell Li-ion battery.  600KHz switching frequency The SC8931 supports input current limit, input under voltage  Charge Status Indication and over voltage protections, internal cycle by cycle current  Adjustable Input Current Limit limit, battery short circuit protection, and output over voltage  Wide input voltage