[MinnowBoard] Minimal voltage
Ferchu R
chamac2 at gmail.com
Thu Oct 9 23:26:43 UTC 2014
I talk about this bank, because the manufacturer states that it can be
charged, while supporting a load. As long as the power source can support
the load current (about 1A for my MinnowMax), and have and surplus for
charging the batteries, it must work.
2014-10-09 16:00 GMT-05:00 Thiago Tenório Jordão de Vasconcelos <
thiagottjv at gmail.com>:
> Hahaha,
>
> I already thought about a Power Bank. The problem is that I cant Charge it
> and Use it at the same time... or the battery will die very soon. And...
> the charger probably can't charge the battery fast enoughs that it
> discharges.
>
> Atenciosamente,
>
> Thiago Vasconcelos
>
> --
> Programador Web
> Portfolio: http://thiagottjv.com
> Fone:+55-81-96320562
>
> On Thu, Oct 9, 2014 at 5:35 PM, Ferchu R <chamac2 at gmail.com> wrote:
>
>> If you are no ussing hard drive or another hungry devices, maybe you can
>> simplify your life with something like this:
>>
>>
>> http://www.amazon.com/ROMOSS-10400mAh-Portable-Compatibility-Smartphone/dp/B00CF8N2LY/ref=sr_1_1?ie=UTF8&qid=1412886838&sr=8-1&keywords=romoss
>>
>>
>> PD: I have not stocks in Romoss.
>>
>> 2014-10-09 14:35 GMT-05:00 Thiago Tenório Jordão de Vasconcelos <
>> thiagottjv at gmail.com>:
>>
>> I'm using a series of capacitors, I'll try to increase the capacitance of
>>> them.
>>>
>>> Atenciosamente,
>>>
>>> Thiago Vasconcelos
>>>
>>> --
>>> Programador Web
>>> Portfolio: http://thiagottjv.com
>>> Fone:+55-81-96320562
>>>
>>> On Thu, Oct 9, 2014 at 4:26 PM, Michael Jarvis <mjarvis.tx.08 at gmail.com>
>>> wrote:
>>>
>>>> Sounds like you might need some sort of voltage regulator between your
>>>> UPS and the MBM.
>>>>
>>>> On Thu, Oct 9, 2014 at 2:05 PM, David Anders <danders at circuitco.com>
>>>> wrote:
>>>>
>>>>>
>>>>> 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
>>>>> > >
>>>>> _______________________________________________
>>>>> elinux-MinnowBoard mailing list
>>>>> elinux-MinnowBoard at lists.elinux.org
>>>>> http://lists.elinux.org/mailman/listinfo/elinux-minnowboard
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> *Michael Jarvis*
>>>> McKinney, TX USA
>>>> http://about.me/michael.a.jarvis
>>>>
>>>
>>>
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>>> elinux-MinnowBoard at lists.elinux.org
>>> http://lists.elinux.org/mailman/listinfo/elinux-minnowboard
>>>
>>>
>>
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>>
>
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