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English单电感集成4个开关的升降压转换器The CXSB6617A/CXSB6617A-1 is a buck boost convertertargetsHVDC fast charging and dis
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产品概述 返回TOP
The CXSB6617A/CXSB6617A-1 is a buck boost convertertargetsHVDC fast charging and discharging power bank. The CXSB6617A/CXSB6617A-1 supports 1 to3 cells Li-ion battery, the output voltage can be programmable up to 20.0V through external resistor. The CXSB6617A/CXSB6617A-1 implements the Buck Boost converter with an H-bridge, which can maintain output regulation for input voltage whether greater or less than output voltage. The integrated low Rds(on) MOSFET minimizes physical footprint, maximizescharge/discharge efficiency, which reduces the power dissipation during discharge. Constant current control is utilized to protect the device from overshooting in unwanted conditions. Built-in loop compensation simplifies the circuit and design. PFM is engaged to maintain high efficiency at light load current. CXSB6617A/CXSB6617A-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/discharge.
Full charge voltage:1.2V-20.0V through external resistor or selectable by BATFB pin CXSB6617A (4.2V/cell)/CXSB6617A-1 (4.35V/cell)
Wide output range:0.9V-20.0V
High efficiency buck-boost transition
450kHz switching frequency
Programmable output current limit(up to 3A)
Output Constant Current Control.
Quiescent current: <60uA
Integrate VBUS and 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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