南芯现货 SC8911QFMR 全集成充电器转换器IC

　　Features

　　► Wide Input Range: 4.4V to 21V, 22V sustainable

　　► High Efficiency Buck-Boost Conversion

　　► Buck-Boost Battery Charger for 2 cells Li-ion battery, 2 cells LiFePO4 battery

　　► Charging Management including Trickle charge, Pre-Charge, CC Charge, CV Charge, Auto-recharge

　　Charging voltage: 7.08V~8.96V，40mV/step

　　Pre-Charge current : 250mA~1000mA，125mA/step，for 5mΩ and 10mΩ

　　Constant Charge current : 1125mA~5000mA，125mA/step，for 5mΩ and 10mΩ

　　Termination Current: 150mA/250mA/350mA/450mA

　　► Support reverse discharging mode:

　　Power up USB port from battery (USB OTG), Compliant with PD 3.1 and UFCS

　　OTG output voltage 3.3~21V，10mV/step;

　　Output Current: 460mA~5000mA, 20mA/step for 5mΩ and 10mΩ

　　► I2C interface

　　► Input current limit set by register, up to 5-A

　　► Input voltage regulation VINDPM to avoid adapter overload

　　► Switching frequency: 240kHz, 360kHz and 480kHz

　　► IMON pin for current/voltage/temperature monitor

　　► Protection including UVP, OVP, OCP, OTP

　　► QFN 4x5-27 Package, 0.4mm pitch