Preserved the board at 18 mm × 22 mm, 1 mm corner radius, 0.3 mm inset/keepout, and Standard 4 Layer stackup.
Re-arranged all 25 components using both top and bottom layers, with connectors kept accessible near the board edges and passives moved near their related IC/power blocks where possible.
Re-checked the board after placement: footprints are present and copper-overlap checks are clean.
Success criteria review
✅ Board dimensions preserved: 18 mm × 22 mm.
✅ Corner radius and keepout preserved: 1 mm radius, 0.3 mm inset/keepout.
✅ Standard 4 Layer stackup maintained.
✅ Components distributed across top and bottom layers.
⚠️ Placement is improved, but the board remains extremely dense, so a few clearance/edge-access constraints could not be fully satisfied within the fixed outline.
❌ Remaining unrouted connections still need routing before final manufacturing checks can be clean.
Next steps
Run routing/autorouting next, then re-check the board. If the remaining tight-clearance issues must be fully eliminated without reducing component sizes, the practical options are increasing the board size or changing footprints/components. One configured external integration is disconnected, but it did not affect this PCB layout work.
Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
General Purpose Thick Film Standard Power
and High-Power Chip Resistor
47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film
Features:
- RMCF – standard power ratings
- RMCP – high power ratings
- Nickel barrier terminations standard
- Power derating from 100% at 70ºC to zero at +155ºC
- RoHS compliant, REACH compliant, and halogen free
- AEC-Q200 compliant