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Re: Simplified vias patch proposal


Hi Samuel, I also had the same problem recently (making a high power led
controller   3x8A channels), and people complain from time to time about
this issue,

I'd be willing to see this working, but as far as I know there are
many issues to take care of:
cleanup code (as lorenzo said), clearance, etc. I have very little
experience on this area, but..

Jean Pierre, Wayne, what are the standard problems that he may check for?

2012/6/26 Lorenzo Marcantonio <l.marcantonio@xxxxxxxxxxxx>

> On Tue, Jun 26, 2012 at 12:32:33AM +0200, Samuel Lesueur wrote:
> > Anyway, I am currently designing an open source 300W DC motor controller
> > and I need a huge amount of vias to handle the current flow from the top
> layer
> > where my MOSFET transistors are installed to the bottom and its huge GND
> zone.
> At last a fellow power designer :D I vote yes for bottom side cooling...
> The idea is very interesting since I had the same problem (I solved
> putting the vias as pad in the fet package... as an extra it gives you
> untented vias which have better thermal performance).
> I've only a doubt... do these via 'survive' the track cleanup?
> --
> Lorenzo Marcantonio
> Logos Srl
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Miguel Angel Ajo Pelayo
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skype: ajoajoajo

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