Determining trace/via/wire current capability


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  1. #1
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    Default Re: Determining trace/via/wire current capability

    Top is usualy bit tight with space, So I make GND al large as I can on bottom.
    Uart usualy don't require any special routing. I usualy use trace width of smalest IC pad.
    For USB it depends on lenght. It usualy doen't meter. But if it is long, it is critical to have diff pair with proper impedance....

  2. #2
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    Default Re: Determining trace/via/wire current capability

    Quote Originally Posted by pedja089 View Post
    ...USB it depends on lenght. It usualy doen't meter. But if it is long, it is critical to have diff pair with proper impedance....

    I read that people have been getting away with what they consider sloppy traces.

    My USB traces are 20cm long, running side-by side, far from any large current. My application does not have to support USB 3.0, 2.0 is plenty fast for me.
    My Creality Ender 3 S1 Plus is a giant paperweight that can't even be used as a boat anchor, cause I'd be fined for polluting our waterways with electronic devices.

    Not as dumb as yesterday, but stupider than tomorrow!

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