From: Clint Jay <cjaysharp@gmail.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
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Date: Fri, 9 Oct 2020 00:27:22 -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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No immediate alternative but I might consider buying up a few dollar store
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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