4.5V Battery charging circuit....

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  1. - 1st July 2010, 17:19 #2
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    ScaleRobotics
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    Here are a few application notes from Microchip on lithium battery chargers. Lithium batteries are pretty demanding about how they are charged, so there are a lot of chips that are specifically made to handle them.

    Here are three solutions:

    http://www.microchip.com/stellent/id...pnote=en025788

    http://www.microchip.com/stellent/id...pnote=en020535

    http://www.microchip.com/stellent/id...pnote=en022150

    I have attached few Lithium-Ion batteries totalling upto 4.5V
    I thought lithium cells were 3.7 volts each, with a charged voltage of about 4.2?
    Last edited by ScaleRobotics; - 1st July 2010 at 17:23.
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