[原创] Maxim MAX77301 JEITA兼容锂电池线性充电方案

Maxim公司的MAX77301是JEITA兼容的锂电池线性充电器,能从USB口,专用充电器或通用适配器进行工作.器件集成了单独的电池充电开关,电流检测电路,MOSFET通过元件,热稳定电路,不需要外接的反向阻断肖特基二极管,输入电流高达1500mA,充电电流高达900mA,输入过压保护高达16V,自动识别适配器类型,主要用在蓝牙手机,PDS和MP3播放器,以及其它手持设备.本文介绍了MAX77301主要优势和特性,框图和应用电路,以及评估板MAX77301 EVK优势和特性,电路图,材料清单和PCB设计图.

The MAX77301 is a JEITA-compliant* lithium-ion linear battery charger that operates from a USB port, a dedicated charger, or universal adapter. The IC provides automatic adapter-type detection and enumeration with a USB host or hub. The IC integrates independent battery charge switch, current sense circuit, MOSFET pass elements, thermal regulation circuitry, and eliminates the external reverse-blocking Schottky diode to create the simplest and smallest USB-compliant charging solution.
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