Note that there's a resettable fuse on the IOIO on the VBUS line, limiting
to about 1A IIRC.
Other than that, everything you said is correct.
On Tue, Sep 3, 2013 at 6:03 PM, Luke O'Donnell <l.odonnel...@gmail.com>wrote:
> Hey All,
>
> I've noticed that while playing around with an IOIO OTG, that the charge
> rate is pretty low.
>
> Looks like it's due to the USB 2.0 standard only allowing 500ma when
> connected in data mode. I think the IOIO will provide up to 3000ma if the
> device is not in data mode, which i think is when the two data pins are
> shorted.
>
> Has anyone flown with the IOIO and larger tablets had any issues with the
> 500ma charge rate not keeping up? I've noticed the battery draining on my
> Galaxy S3 when i'm doing things like running the internal GPS.
>
> I suppose using bluetooth between the IOIO and the tablet, and using a
> separate power source for the tablet would be a potential fix.
>
> Perhaps it would be possible to patch the android device to draw more than
> 500ma on data connections, which would be breaking the USB standard.
>
> Luke
>
>
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