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Best way to route a high amperage trace

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I have a 2.2 amp signal that needs to enter a backplane connector, but due to pin spacing and pad dimensions, I am unable to route a 60 mil trace.

(pins are at 100 mil spacing with 40 mil pads, which leaves max trace thickness of 20 mil in between pins)

Should I neck the trace down, or should I break the trace down to two samller traces entering the pad.

Any help would be appreciated.


Originally posted in cdnusers.org by abelsh
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  • I appreciate the replies, Great suggestions.

    Mike, one of the problems with running a copper pour is that I have multiple 2.2 a signals on adjacent pin pairs. Plus I have to run them as diff pairs. Its a signal and its return path.

    So it looks like multiple traces it is. Should these be run on different layers ? Same Layer? Can I run one single 60 mil trace and then break it down to three individual 30 mil traces only where I need to?

    Thanks for all your time and helping me learn.


    Originally posted in cdnusers.org by abelsh
Reply

  • I appreciate the replies, Great suggestions.

    Mike, one of the problems with running a copper pour is that I have multiple 2.2 a signals on adjacent pin pairs. Plus I have to run them as diff pairs. Its a signal and its return path.

    So it looks like multiple traces it is. Should these be run on different layers ? Same Layer? Can I run one single 60 mil trace and then break it down to three individual 30 mil traces only where I need to?

    Thanks for all your time and helping me learn.


    Originally posted in cdnusers.org by abelsh
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