[MinnowBoard] Minimal voltage
David Anders
danders at circuitco.com
Thu Oct 9 19:05:39 UTC 2014
Thiago,
yes that is correct... min 4.75V
Dave
> On October 9, 2014 at 2:03 PM Thiago Tenório Jordão de Vasconcelos
> <thiagottjv at gmail.com> wrote:
>
>
> Hi guys, thanks for the answers.
>
> But even When I don't use a USB the minimum is 4.75V, right?
>
> Atenciosamente,
>
> Thiago Vasconcelos
>
> --
> Programador Web
> Portfolio: http://thiagottjv.com
> Fone:+55-81-96320562
>
> 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
> > > >
> > > _______________________________________________
> > > elinux-MinnowBoard mailing list
> > > elinux-MinnowBoard at lists.elinux.org
> > > http://lists.elinux.org/mailman/listinfo/elinux-minnowboard
> > _______________________________________________
> > elinux-MinnowBoard mailing list
> > elinux-MinnowBoard at lists.elinux.org
> > http://lists.elinux.org/mailman/listinfo/elinux-minnowboard
> >
More information about the elinux-MinnowBoard
mailing list