7.相关产品 产品概述 返回TOP 产品特点 返回TOP Integrate low RDS(on) power MOSFET Wide input range:4.2V-20.0V,support 1to3 cells battery charge Full charge voltage:1.2V-20.0V through external resistor or selectable by BATFB pin CXSB6618A (4.2V/cell)/CXSB6618A-1 (4.35V/cell) High efficiency buck-boost transition 450kHz Switching frequency Programmable charge current, up to 3A Quiescent current: <60uA Integrate batteryshort protection Integrate thermal protection QFN3*4 package 应用范围 返回TOP Power bank systems Battery and supercapacitor charging USB power delivery Industrial applications Automotive systems 技术规格书（产品PDF) 返回TOP 需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！ 产品封装图 返回TOP a 电路原理图 返回TOP 目录
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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单电感，集成4个开关的升降压转换器
产品型号
充电
放电
支持双向输出
Fs (KHZ)
电流可编程
封装
操作电压 (V)
CXSB6616
N
Y
N
3.0~20
500
Y
QFN3X4-15
CXSB6617A
Y
Y
Y
Adapter:4.2~20，Battery:3.0~20
500
Y
QFN3×4-15
CXSB6618A
Y
N
N
4.2~20
500
Y
QFN3×4-15
