Hypex DSA254 Carrier Board Design
Worked for 40 sec
Precheck passed, but it warned that some J5 fine-pitch power/speaker pins can’t accept the currently implied wide routing. I’m adding conservative neck-down trace rules for those nets before autorouting so the router can escape J5 safely.
Worked for 5 mins 31 sec
Routing could not start because execution credits ran out during the autoroute job.
Completed before the block:
- Preserved the current placement.
- Ran the routing precheck: board is valid for routing.
- Added fine-pitch escape allowances for the J5 power and speaker nets by setting 0.15 mm minimum trace width on HV and speaker nets.
- Kept the existing HV/LV separation rules and protected HV zone in place.
Remaining:
- Resume autorouting once credits are available.
- Review the routed board for remaining airwires and clearance issues.
- Pay special attention to the preflight warnings around the temporary fine-pitch J5 footprint: several HV and speaker pins still warn that the implied route width may exceed pin size, so the exact 69-pin Hypex footprint or routed neckdowns may still be needed before manufacturing.
Check layout issues
Find J5 footprint
Identify neckdown pins
Run DRC
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