4S Lithium-Ion BMS Design
Worked for 37 mins 25 sec
I could not get the final localized DRC to 0 airwires with the available routing flow.
Completed:
- Preserved the clean 297 mm × 37 mm board, center slot, and all 8 M6 holes.
- Re-ran localized DRC.
- Nudged the B1/B2/B3 monitoring/filter area:
- Spread B1/B2/B3 terminals.
- Repositioned RVC1–RVC3 and CVC1–CVC3 to open routing channels.
- Specifically fixed the blocked RVC1 P2 escape condition.
- Deleted stale/overlapping local trace fragments around the RVC cluster.
- Ran autoroute, then a cleanup autoroute pass.
- Final localized DRC shows 0 overlapping copper errors.
Remaining:
- 4 airwire errors still remain.
- 3 are persistent B1/B2/B3-related route failures.
- 1 remains tied to the auto-generated fill/stitching artifact.
- 13 dangling-trace warnings remain after the second routing pass.
The board is improved and overlap-free, but it is not yet manufacturing-clean. The remaining items need true manual trace editing/stitch placement or a more capable scoped routing/manual copper tool rather than another autoroute pass.
Simplify placement
Document blockers
Check manufacturability
Adjust terminals
Export review package
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