PCB Layout Optimization
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Table
Setting | Description | Where to Adjust |
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Component Spacing | Set the minimum allowed distance between adjacent parts. Lowering this value allows tighter placement while still preserving necessary isolation. | In the Auto-Layout configuration panel under “Component Spacing” or “Placement Tolerance”. |
Trace Clearance | Specify the minimum gap allowed between traces and between traces and pads. This ensures that even on a compact board, electrical isolation is maintained. | Under “Routing Parameters” settings, adjust the “Trace Clearance” value. |
Via and Pad Spacing | Adjust the clearance for vias and pads to ensure that even when routed closely, the layout meets DRC rules. | Check “Via Clearance” and “Pad Clearance” settings in the Auto-Layout tool options. |
Keep-Out Zones | Define or modify keep-out zones for critical nets or sensitive areas where you want to ensure additional clearance. | Set these in the “Board Rules” section, directly affecting the Auto-Layout’s placement engine. |
Copper Fill Clearance | If using copper fills, tweak the clearance from pads and traces to the fill areas, which may be specified per net. | In areas where copper fills are applied, modify the clearance rules (see also the copper fills tutorial in Flux documentation). |
Routing Prioritization | Prioritize critical nets (or high-speed/sensitive signals) to ensure these are routed first with full adherence to clearance settings, even on a dense board. | Adjust the routing priorities in the Auto-Layout settings under “Net Priorities”. |
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