[MinnowBoard] Minimal voltage
Thiago Tenório Jordão de Vasconcelos
thiagottjv at gmail.com
Thu Oct 9 19:03:22 UTC 2014
Hi guys, thanks for the answers.
But even When I don't use a USB the minimum is 4.75V, right?
Atenciosamente,
Thiago Vasconcelos
--
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Portfolio: http://thiagottjv.com
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On Thu, Oct 9, 2014 at 4:00 PM, David Anders <danders at circuitco.com> wrote:
> 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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