Why are you wanting to do that? The answer is yes, but you won't be able to
run the processor over 800MHz.

Gerald


On Wed, Mar 18, 2015 at 9:17 AM, <[email protected]> wrote:

> Hello:
>  on my own BBB derivative I am now finishing the power distribution
> system. I wonder if I can connect the VDD-MPU and VDD_CORE into one VDD,
> shorting together DCDC2 and DCDC3 from TPS65217C? Or should I rather use
> DCDC2 for both the core and the MPU, and leave DCDC3 unconnected?
>
> I presume that shorting the two outputs from TPS65217C would put less
> stress on each DCDCx in the PMIC chip, but there is risk of contention.
> Using only one DCDC2 and leaving DCDC3 unconnected will put more stress on
> the FET inside the PMIC, but the contention will never happen. So which
> solution is better?
>
> Your suggestion will be highly appreciated. Thank you!  -- Wojtek
>
> --
> For more options, visit http://beagleboard.org/discuss
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-- 
Gerald

[email protected]
http://beagleboard.org/
http://circuitco.com/support/

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