南芯产品规格书SC8815.pdf

SC8815 DATASHEET SOUTHCHIP SEMICONDUCTOR SOUTHCHIP CONFIDENTIAL SC8815 High Efficiency, Synchronous, Bi-Directional Buck-Boost Charger Controller with I2C Interface 1 Description 2 Features SC8815 is a synchronous buck-boost charger controller • Buck-Boost Battery Charger for 1 to 6 Cell Batteries which can support reverse discharging operation. It can • Charging Management including Trickle Charge, support up to 36V battery voltage, so can be used to CC Charge, CV Charge and Charge Termination effectively manage the charging for 1~6 cell Li-ion • Buck-Boost Reverse Discharging Mode batteries no matter adapter voltage is higher, lower or • Wide VBAT Range: 2.7 V to 36 V, 40V sustainable equal to battery voltage. When a system needs to • Wide VBUS Range: 2.7 V to 36 V, 40V sustainable generate an output from the battery, SC8815 can also • I2C Programmable Charging Current and Voltage discharge the cells and delivers desired output up to • I2C Programmable Discharging Output Voltage 36V. • I2C Programmable Input / Output Current Limit Through its I2C interface, user can set the charging / • I2C Programmable Switching Frequency discharging mode easily, and program the charging • High Efficiency Buck-Boost Conversion current, charging voltage, reserve output voltage, • 10-bit ADC resources current limits, switching frequency and other • Charging Status Indication parameters flexibly. Besides that, SC88