Re: [Gumstix-users] Overo Summit Power up issues

[Kirk <km...@ec...>]

Hmmm - two thoughts
a) add a big capacitor to the power-in side :-)
b) use a dc-dc converter which takes the bat Vcc and makes 4V (we use a
TPS61032 which is very efficient)

cheers
Kirk

On 17/05/2010 21:09, plasmaphase wrote:
>
> I have a desire to run the gumstix overo water connected to the summit board
> off of a 3.7V source.  When trying this with a DC power supply I noticed
> that when the kernel starts to boot, the board power cycles.  This repeats
> forever.  I also notice that when this happens, a slight current spike is
> registered.  When I increase the voltage to 4+ volts, the reboot issue goes
> away.  My question is, is it possible to run this setup off of a 3.7V source
> somehow?

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Electronics and Computer Science
University of Southampton, UK
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