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SC8932 DATASHEET DRAFT SOUTHCHIP SEMICONDUCTOR SOUTHCHIP CONFIDENTIAL, SUBJECT TO CHANGE High Efficiency, Synchronous Buck Charger for 1-2 cell Li-ion Battery with MOSFET Integrated and I2C Interface 1 DESCRIPTION 2 FEATURES The SC8932 is a highly integrated switch-mode buck charger  Integrated Synchronous Buck Charger with I2C interface 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 provide battery charge Current Charge / Constant Voltage Charge / Charge management functions including trickle charge, constant current charge, constant voltage charge, charge termination Termination/Auto recharge) and charging status indication.  Programmable Constant Charge Current The SC8932 supports flexible charge current option, and the  Selectable Constant Voltage: 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  Adjustable Safety timer battery.SC8932 charges batteries with high efficiency, 5V to 3.5V@2A 95.5%, 9V to 7V@2A 97.1%.  400KHz to 1MHz switching frequency