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Via array not connecting to net.

Troy Wilson

I am routing one shape on a top plane to a shape on an internal plane. The internal plane provides a specific voltage which is carried up to this top shape for a few SMDs.

When routing to the top, I used a via array and assigned the vias to the net I wanted. The vias all connect to both of the shapes. They all share the same net. Despite this, the pads are still listed as unrouted and show a rat to the nearest via not placed by an array that is on the same net.

I racked my brain over this and came back later deciding to try placing the vias again, but this time doing it manually. When placed manually, they work. The connections are routed. No rats.

These manual vias share the same net. They're the exact same padstack. They're in the exact same positions. What am I missing here? Any insight would be of great value. Thank you.

  • When you are adding the via arrays check the Options pane. This has settings for the net you want the via array to be associated with. 

  • in reply to steve

    Steve, thanks for your reply.

    That was the confusing part. The array is assigned to the proper net in the options settings.

    You did point me in the right direction though. I had the thermals set to "none"

  • in reply to steve

    Hi Steve,

    I'm experiencing exactly the same problem.

    I have a four layer board with two internal planes, ground and power. I have a module which requires full contact to ground copper to aid the thermal relief.

    I put shapes on the top and bottom planes with the same contact area and stitching vias with full contact to the copper as thermal conduit to the copper plane.

    If I put Via arrays for with GND network, It connects to the bottom GND shape only but voids the GND plane and the top GND shape.

    If I add a wire on top of the shape and add vias manually, the via connects to the three shapes with full contact as desired. I played with ghe global Shape parameters but it doesn't make any effect.

     

    Left, manual vias added, right with place Via Array.

  • in reply to G2AS

    Never mind, in my case it was an incorrect setting in Via Array Options!

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