Showing posts with label ion. Show all posts
Showing posts with label ion. Show all posts
Monday, September 15, 2014
USB Battery Charger for Lithium Ion Battery
This schematic diagram is used for charging lithium ion battery. The power source is from a computers USB port. With this schema, you do not need to build power supply diagram for charging your battery.
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 schema 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.
Subscribe to:
Posts (Atom)