BC910 开关型单节锂电池充电管理芯片，3A同步降压锂离子充电器
FEATURES
? Input voltage range 4V~9V
? Dynamic input current allocation for maximum charging rate
? 3A Maximum Charge Current
? No External MOSFETs and Blocking Diode Required
? Efficiency up to 93%
? Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize Charge Rate without Risk of Overheating
? Optional Battery Temperature Monitoring Before and During Charge Automatic Sleep Mode for Low-Power
? Over Current Protection
? Consumption Available in DFN10
? RoHS Compliant and 100% Lead (Pb)-Free
APPLICATIONS
? Portable Media Players
? Cellular and Smart mobile phone
? PDA/DSC
? Handheld Battery-Powered Devices
? Handheld Computers
? Charging Docks and Cradles
DESCRIPTION
The BC910 is a 3A Li-Ion battery charger. It utilizes a 500 KHz synchronous buck converter topology to reduce power dissipation during charging. Low power dissipation, an internal MOSFET allow a physically small charger that can be embedded in a wide range of handheld applications. The BC910 includes complete charge termination circuitry, automatic recharge and a ±1% 4.2V float voltage. Battery charge current, charge timeout and end-of-charge indication parameters are set with external components. Additional features include shorted cell detection; temperature qualified charging and overvoltage protection. The BC910 is available in a DFN3*3_10 package
