[MinnowBoard] Minimal voltage

David Anders danders at circuitco.com
Thu Oct 9 19:00:41 UTC 2014


Thiago,

the input voltage is used directly to power the USB interfaces on the main
board, therefore, the tolerance is configured to be the same as the USB
specification which states that the voltage is +- 0.25V , for a minimum of 4.75V
and a maximum of 5.25V

Dave


> On October 9, 2014 at 1:57 PM Joey C <casas.joey at gmail.com> wrote:
> 
> 
> I've seen weird usb and SATA drive things when using a 2A power supply. I
> went to a 2.4 and those issues resolved.
> 
> On Thursday, October 9, 2014, Thiago Tenório Jordão de Vasconcelos <
> thiagottjv at gmail.com> wrote:
> 
> > Hi,
> >
> > Someone know what is the minimal voltage to supply the MinnowBoard MAX?
> >
> > I'm going to use a UPS system and when the power goes down on the change
> > from the wall power to the battery the voltage goes down to something near
> > 4.435v during the 10ms of the transition.
> >
> > Thank you,
> >
> > Thiago Vasconcelos
> >
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