[原创] On Semi LC709501F锂电池充电宝电源控制方案

On Semi公司的LC709501F是带USB Type-C和Quick Charge™ 3.0的锂电池充电宝电源控制器,可控制Type-C端口控制IC和Quick Charge 3.0HVDCP.内置的开关控制器能输出5V-12V用来快速充电.USB Type-C和快充的大功率输出可通过外接MOSFET来实现.主要用在充电宝/移动电源以及USB相关的充电应用.本文介绍了LC709501F主要特性,功能框图和几种应用案例,以及LC709501F参考板框图和功能图,电路图,材料清单和PCB设计图.

LC709501F is a Lithium ion switching charger controller for PowerBank. This device has all functions to control Power Bank application.It can control Type-C port control IC and includes Quick Charge 3.0HVDCP. The built-in switching controller can output from 5 V up to 12V for Quick Charge. The high power output for USB Type-C and QuickCharge is possible with appropriate external MOSFETs.

LC709501F主要特性:

 Easy power scaling with external MOSFETs.

 Buck charge / Boost charge

 Supports Quick Charge 3.0 HVDCP Class A. 5 V up to 12 V

 Supports USB type-C DRP with Port control IC.

 Prepared firmware supports various combination of USB port.

 Supports USB BC 1.2

 Controls an external Boost-IC for 2nd USB output

 Battery level gauging

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