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Q&A Thick trace or a Polygon?

Suppose I use a wide trace as a power rail in my circuit (wide enough for the rated current, at a certain copper weight), and it doesn’t have an adjacent ground plane. If I have enough space on the...

1 answer  ·  posted 3d ago by Eyal78‭  ·  edited 3d ago by Eyal78‭

Question PCB pcb-layout
#2: Post edited by user avatar Eyal78‭ · 2025-02-04T19:17:56Z (3 days ago)
  • Suppose I use a thick trace as a power rail in my circuit (thick enough for the rated current), and it doesn’t have an adjacent ground plane. If I have enough space on the board, is there any advantage to expanding the trace into a polygon?
  • Suppose I use a wide trace as a power rail in my circuit (wide enough for the rated current, at a certain copper weight), and it doesn’t have an adjacent ground plane. If I have enough space on the board, is there any advantage to expanding the trace into a polygon?
#1: Initial revision by user avatar Eyal78‭ · 2025-02-04T17:52:36Z (3 days ago)
Thick trace or a Polygon?
Suppose I use a thick trace as a power rail in my circuit (thick enough for the rated current), and it doesn’t have an adjacent ground plane. If I have enough space on the board, is there any advantage to expanding the trace into a polygon?