Charging Neo Freerunner via USB port
michael at openmoko.org
Sat Apr 19 20:19:58 CEST 2008
Hans L wrote:
> Great summary Michael, and a good discussion. It would be nice to see
> the ability to support other fast chargers in the future. That is one
> of my pet peeves about cell phones is that it seems every single
> company(and often even every model made by that company) has it's own
> specific charger which is incompatible with anything else.
> Michael Shiloh wrote:
>> In summary, the Neo can charge at 3 different rates: 100mA, 500mA, and 1A.
> Just to be absolutely clear, are these 3 rates hardwired into the
I'm pretty sure this is all software, but might depend on the firmware
controlling the charger chips. Some chips allow continuous control, some
have fixed rates. I'll try to find out.
Or might it be possible in the future to support(through
> only software changes) some charger that has for example a max rating
> of 750mA, and get the maximum output from it.
> The discussion up to this point seems to indicate that the best that
> could be done with this theoretical charger would be 500mA. I suppose
> it doesn't make a huge difference, but something I'd like to know for
> - Hans Loeblich
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