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BC910上海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

发布时间：2024-09-04 03:00:00来源：http://sh.szxunrui.cn/news1037002.html

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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