High Efficiency, 3A, Multi-Cells Li-Ion Battery Charger 单电感集成4个开关的升降压转换器CXSB6618A/CXSB6618A-1 is a buck boost convertertargetsHVDC fast charging system

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The CXSB6618A/CXSB6618A-1 is a buck boost convertertargetsHVDC fast charging system. The CXSB6618A/CXSB6618A-1 supports 1 to3 cells Li-ion battery, the full charge voltage and charge current can be programmed through external resistor.  The CXSB6618A/CXSB6618A-1 implements the Buck Boost converter with an H-bridge. The integrated low RDS(on) MOSFET minimizes physical footprint, maximizescharge efficiency. Built-in loop compensation simplifies the circuit and design. PFM is engaged to maintain high efficiency at light load current. CXSB6618A/CXSB6618A-1 guarantees robustness with thermal protectionand battery under voltage lockout. 

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Integrate low RDS(on) power MOSFET Rys嘉泰姆

Wide input range:4.2V-20.0V,support 1to3 cells battery charge Rys嘉泰姆

Full charge voltage:1.2V-20.0V through external resistor or selectable by BATFB pin CXSB6618A (4.2V/cell)/CXSB6618A-1 (4.35V/cell) Rys嘉泰姆

High efficiency buck-boost transition Rys嘉泰姆

450kHz Switching frequency Rys嘉泰姆

Programmable charge current, up to 3A Rys嘉泰姆

Quiescent current: <60uA Rys嘉泰姆

Integrate batteryshort protection Rys嘉泰姆

Integrate thermal protection Rys嘉泰姆

QFN3*4 packageRys嘉泰姆

   应用范围 返回TOPRys嘉泰姆

Power bank systems Rys嘉泰姆

Battery and supercapacitor charging Rys嘉泰姆

USB power delivery Rys嘉泰姆

Industrial applications Rys嘉泰姆

Automotive systems Rys嘉泰姆

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