SOUTHCHIP SC8905
SC8905 is a synchronous buck-boost charger converter which also supports reverse discharging operation. It can support applications from 2.7V to 22V VBUS range. It is able to effectively manage charging for 2~4 cell batteries no matter input/output voltage is higher, lower or equal to battery voltage.FEATURES
● Buck-Boost Battery Charger for 2 to 4 Cell Batteries 4.2V/4.35V/4.4V for 2s and 3s, 4.2V/4.35V for 4s● Charging Management: Trickle Charging, CC Charging, CV Charging, Charging Termination, Auto Recharge
● Buck-Boost Reverse Discharging Mode
● Integrated Switches, 10 mΩ for Q1/4, 20 mΩ for Q2/3
● Wide VBAT Range: 2.7 V to 22 V, 25V sustainable
● Wide VBUS Range: 2.7 V to 22 V, 25V sustainable
● High Efficiency Buck-Boost Conversion
● I2C Interface
● Dynamic Output Voltage Control
● Output Voltage Cable Drop Compensation
● Adjustable Switching Frequency
● Programmable Current Limit
● Current Monitor
● NTC Battery temperature protection
● Under Voltage Protection, Over Voltage Protection, Over Current Protection
● Short Protection and Thermal Shutdown Protection
● QFN-21 4 x 4 Package 3
APPLICATIONS
● Power Bank● USB Power Delivery
● Battery Chargers 4 Device Information Part Number SC8905QFER Package 21 pin QFN Dimension 4.0mm x 4.0mm x 0.75mm Copyright © 2019, Southchip Semiconductor Technology (Shanghai) Co., Ltd.