Ash

Thank-you for the response. But, I am not an electrical engineer. Can you tell what the 10uF (C43) capacitor should be replaced with to operate with 12 VDC.

Fred Austin


On Fri, Mar 30, 2012 at 12:35 PM, Ash Charles <ash@gumstix.com> wrote:
Hi Fred,

I just double checked the two capacitors on the supply for tobi duo.
As built (making no promises for the future ;-) ) this time,
C43 10uF: LMK212F106ZG-T (10V...needs to be replaced for 12VDC)
C42 1uF: EMK107F105ZA-T (16V...should be okay with 12VDC but not much more)

HTH,
Ash
On Wed, Mar 28, 2012 at 7:40 AM, Fred Austin
<fred.austin@n-dimension.com> wrote:
> We have been running some Gumstix Overo's with Tobi-duo's for awhile using 5
> VDC, 1.0 Amp power supply's purchased with the Gumstix's. We are looking at
> deploying some units in an environment were the only power supply is 12 VDC.
> According to the information about the Tobi-duo, it has a TPS62111 which can
> use anywhere from 3.1 to 17 VDC. But on the Gumstix website, under folder
> /boards/TOBI-DUO/PCB30013-R3016 there is a PDF file (PCB30013.pdf) that
> states that capcitor C43 should be replaced to support higher voltage.
>
> Can anybody know if we can use the Tobi-duo, Gumstix Overo combination as is
> with 12 VDC or does it need to be modified.
>
> Fred Austin
> N-Dimension Solutions
>
>
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