Charge termination voltage must match the specifications of the
battery.  Not all lithium polymer batteries are the same; different
production processes yield different specified termination voltages.

Using a higher termination voltage than specified for a lithium
polymer battery can be exciting.

On Tue, Nov 27, 2018 at 01:28:49AM -0500, Neil wrote:
> Hi all,
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> I'm using an MCP73833-AMI for charging a 1-cell Lipo in a project. This=20
> specific charger is looking for a charge voltage of 4.2V, but the=20
> voltage never gets to over about 4.09V to 4.13V (tested over several=20
> batteries).
> I'm not really worried about that last bit of charge, but the charge=20
> status LED never goes out to indicate it's done.
> FWIW, some of the batteries I'm using came with chargers whose=20
> indicators go out after they're fully charged, but it's still around 4.1V=
..
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> Is this common, or just that I'm picking the wrong batteries?  I did see=
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> a couple 4.1V charger ICs options available, but most are 4.2V.
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> Anyone have a goto charger IC you'd recommend for this?  I need small=20
> size and low cost, and 1A should be fine.
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> Cheers,
> -Neil.
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> --=20
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--=20
James Cameron
http://quozl.netrek.org/
--=20
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