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EnglishHigh 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 b
摘要：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
目录
7.相关产品
产品概述 返回TOP
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.
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
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产品封装图 返回TOP
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电路原理图 返回TOP
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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 |
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