@▷ Li-On Battery Charger via USB | Diagram for Schematic

Li-On Battery Charger via USB

li-ion-battery-charger-via-usb-schematic-schematic-thumb.jpg

Description

A USB port is a great power source for charging a single cell li-on battery. It is capable of supplying maximum 5.25V and 500 mA. The circuit above is a USB powered single cell li-on battery charger. LM3622 is used as the controller. This special purpose IC has a precise end-of-charge control and low battery leakage current about 200nA.

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