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  3. Custom pad design has trace connection point in incorrect...

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Custom pad design has trace connection point in incorrect location

kvberge
kvberge over 9 years ago

Hello!

Wondering if someone might have advice on how to fix this issue I'm seeing.  I have a custom pad shape that when placed on the PCB the ratsnest (and therefore trace) do not connect in the correct location.  

Note the attached image showing ratsnest connecting to middle of pad geometry, however, there is no pad there to connect to.

Here's the part with the trace routed (again, note the incorrect connection point).

(please note all images of the part on the bottom side of the pcb).

I've modified the design padstack to have the origin of the pad and stop mask to be the thicker portions of the pads, however, it had zero impact on the connection point.  Is there a way to fix this?

I've attached the pads and parts in the zipfile.  Also, as a reference this is the part I'm using http://www.bourns.com/docs/Product-Datasheets/SRR6038.pdf

 sr6038.zip

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  • Wild
    Wild over 9 years ago

    Funny,  I had the same issue with the same footprint.

    I believe, the issue is where your pad origin is.  I'll go back and look at this footprint if moving the origin does not resolve your issue.

    Wild.

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  • mcatramb91
    mcatramb91 over 9 years ago

    The shape symbols you provided look fine, maybe there is a old version of them in your Design/Symbol.  Try refreshing the library in the Design/Symbol using the "refresh symbol" command ( Place > Update Symbols or Tools > Update Symbols )

    Hope this helps,
    Mike Catrambone


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  • Wild
    Wild over 9 years ago

    IND.zip

    Couldn't find that footprint, but here's one close to it:

    Coilcraft LPS6225 series.

    It's a zip file of a footprint with padstacks.  Please not the offset in the padstack shape.

    Regards,

    Wild.

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  • kvberge
    kvberge over 9 years ago

    Thanks for your response.  I looked at your example and do notice that the origin of your pad symbols is offset.  However, if you look at the attached files I sent, my origins are also offset.

    I've also tried updating the design per the other suggestion with no luck.  I can't seem to figure out what is going on and what is different between mine and yours.  I'm perplexed. 

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  • Wild
    Wild over 9 years ago

    Did you refresh the pads as Mike suggested?

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