The Microchip MCP73837 and MCP73838 are advanced, fully integrated linear Li-Ion/Li-Polymer battery chargers designed with autonomous power source selection. Their compact size and minimal external component requirements make them ideal for portable devices. The MCP73837/8 automatically selects between a USB port and an AC adapter as the power source, adhering to USB specifications for USB-powered systems. It employs a constant current/constant voltage charge algorithm with selectable preconditioning and charge termination, offering precise control over the charging process. The device also incorporates thermal regulation to optimize charge cycle time and maintain reliability, making it suitable for applications like smartphones, MP3 players, and medical devices.
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You can download the MCP73837TFCIUN datasheet or visit the Microchip Technology website for support.
Microchip Technology