From: Jim Ruxton <jim.ruxton@gmail.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
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Date: Fri, 9 Oct 2020 01:06:49 -0700
Subject: Re: [EE] Looking for equivalent IC to HT4928S Lithium Ion Charger
Thread-Topic: [EE] Looking for equivalent IC to HT4928S Lithium Ion Charger
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Thanks Clint. That's a good idea. I have the module shown in the blog. I
would just use this module on my board but it has a USB output connector
for the 5 volts. I would like it without it, just the 5 volt output on
pads. Thanks again for the suggestion.
Jim

On Fri., Oct. 9, 2020, 3:28 a.m. Clint Jay, <cjaysharp@gmail.com> wrote:

> No immediate alternative but I might consider buying up a few dollar stor=
e
> Li-Ion power banks and dissecting them to find out what they use.
>
> The board on the blog has holes for cell contacts to make such a device.
>
> On Fri, 9 Oct 2020 at 07:33, Jim Ruxton <jim.ruxton@gmail.com> wrote:
>
> > I was wondering if anyone has come across an IC that is more readily
> > available than the Hotchip HT4928S discussed here :
> > http://blog.pagefault-limited.co.uk/hotchip-ht4928s-ver1-1-english-pdf
> > but is functionally equivalent.
> >
> > What is special about it is that as well as the necessary charging
> > functions it has boost circuitry (with an added inductor ) to supply 5
> > volts directly from the charged LiIon battery.  I could design my board
> > with any number of charging ICs followed by a voltage booster but it's
> > nice that it's all in one chip.
> >
> > Thanks for any tips.
> >
> > Jim
> >
> > --
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>
> --
> Clint. M0UAW IO83
>
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