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Connecting grounds together

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Message 1 of 3
cchrissmm
466 Views, 2 Replies

Connecting grounds together

Hi Everyone. I am designing a pcb which handles power distribution and control.

cchrissmm_1-1646178567479.png

It has some quite heavy tracks carrying up to 30A and some light ones doing control. Fuses (Fxx) mounted on the board as well. I have several ground circuits, one for each power track sized to match the supply. Ultimately I want to connect these all together, ie to ground. 

 

How do I do this without using the same net, which results in the same track size? 

cchrissmm_0-1646178538867.png

 

Thanks!

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Message 2 of 3
jorge_garcia2
in reply to: cchrissmm

Hi @cchrissmm,

 

I hope you're doing well. There's a few ways to handle this, the easiest is to assign each of them to a different net. Then on the 2D PCB you can short them all at a single point by overlapping the polygons at that one point.

 

Another more formal way is to assign each of them to a different net and then in the library create a component that is essentially a jumper, that will satisfy the netlist on the schematic and still tie multiple differently named nets to each other.

 

I know these are workarounds but they are what we have at this point in time.

 

Best Regards,



Jorge Garcia
​Product Support Specialist for Fusion 360 and EAGLE

Kudos are much appreciated if the information I have shared is helpful to you and/or others.

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Message 3 of 3
cchrissmm
in reply to: cchrissmm

Hi Jorge, thanks! Your hint about polygons actually led me to the solution. I just poured a polygon over the entire bottom plane. Seems obvious in hindsight but to a newbie like me it wasn't at the time.

Chris

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