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ground pour

heedaf

How does one connect the ground pour under a chip with the gnd pin?  I've

got a sot-89 chip and I have the ground pour touching the gnd pin but when I

run the drc it gives me an error saying they are too close?  Any ideas?

Thanks,

DeWayne

 

 

 

Parents

  • DR wrote:

    "Paul Romanyszyn" <pgr@arcelectronicsinc.com> wrote in message

    news:h068f6$7qr$1@cheetah.cadsoft.de...

    DR wrote:

    How does one connect the ground pour under a chip with the gnd pin?  I've

    got a sot-89 chip and I have the ground pour touching the gnd pin but

    when I run the drc it gives me an error saying they are too close?  Any

    ideas?

    Thanks,

    DeWayne

    The polygon name has to match the net name of the ground pin. That is if

    you added the polygon to the board not the lib part.

    Paul R.

     

    Thanks for the info.  What if I want to do it in the part?

     

     

    No clean way in ver 4.xx I have not upgraded to 5.x+ but from what I

    gather in the discussions you can add copper to lib parts but it can't

    be done without DRC errors. You can approve them.

     

    The best no DRC error way it to put the stop mask in the lib and add the

    polygon to cover that area on the board.

    Paul R.

     

Reply

  • DR wrote:

    "Paul Romanyszyn" <pgr@arcelectronicsinc.com> wrote in message

    news:h068f6$7qr$1@cheetah.cadsoft.de...

    DR wrote:

    How does one connect the ground pour under a chip with the gnd pin?  I've

    got a sot-89 chip and I have the ground pour touching the gnd pin but

    when I run the drc it gives me an error saying they are too close?  Any

    ideas?

    Thanks,

    DeWayne

    The polygon name has to match the net name of the ground pin. That is if

    you added the polygon to the board not the lib part.

    Paul R.

     

    Thanks for the info.  What if I want to do it in the part?

     

     

    No clean way in ver 4.xx I have not upgraded to 5.x+ but from what I

    gather in the discussions you can add copper to lib parts but it can't

    be done without DRC errors. You can approve them.

     

    The best no DRC error way it to put the stop mask in the lib and add the

    polygon to cover that area on the board.

    Paul R.

     

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