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Li-Ion charger

Discussion in 'Electronic Repair' started by Billa, Feb 2, 2005.

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  1. Billa

    Billa Guest

    1) You are right. I'm not able...
    this is why I'm asking for suggestions.

    2) I forgot to mention I've I friend who understands electronics
    and is willing to give me a hand.
    But he's not familiar with internet so I'm trying to find the most up
    to date info on this topic.

    Please, if anyone wants to give me sugegstions, I hope these will not
    be this discouraging...

  2. budgie

    budgie Guest

    Much of the advice posted above is sound, although not necessarily all of it.

    Lithium-Ion chargers employ specialised controller IC's and will require a PCB.
    Even ignoring your time input, the cost of a PCB and components to make ONE
    charger would not compare favourably with buying the product designed for your

    If you do want to continue and explore, download the data sheet for something
    such as the Maxim MAX1737. This chip is not new (it is one I used in a
    successful commercially produced design) but the data sheet includes some
    information on the care & feeding of these cells. This is information you or
    your associate need to absorb before embarking on a "design & build" project.
  3. mike

    mike Guest

    Return address is VALID.
    Wanted, PCMCIA SCSI Card for HP m820 CDRW.
    FS 500MHz Tek DSOscilloscope TDS540 Make Offer
    Wanted, 12.1" LCD for Gateway Solo 5300. Samsung LT121SU-121
    Bunch of stuff For Sale and Wanted at the link below.
  4. NSM

    NSM Guest

    (How to charge lithium ion batteries)
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