PCB layout: component placement & board outline
PCB: 65x30mm 2-layer board with GND pours on F.Cu + B.Cu Placement: J1 (USB-C) at (5, 17.5) - left edge U2 (CH224K) at (18, 10) - PD controller Q1 (PMOS) at (18, 22) - VBUS switch U3 (LDO) at (33, 17.5) - 3.3V regulator U1 (ESP32-S3) at (50, 12) - right side Passives placed near respective ICs Footprints assigned: J1 (USB4105), U2 (SSOP-10), Q1 (SOT-23-3), U3 (SOT-223-3), U1 (ESP32-S3-WROOM-1) Design rules: 0.2mm clearance, 0.25mm track, 0.6/0.3mm via DRC: 42 violations (pre-routing - courtyard overlaps + edge clearance) Next: manual routing in KiCad UI
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@@ -140,7 +140,7 @@
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},
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"rules": {
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"max_error": 0.005,
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"min_clearance": 0.0,
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"min_clearance": 0.2,
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"min_connection": 0.0,
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"min_copper_edge_clearance": 0.5,
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"min_groove_width": 0.0,
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@@ -152,7 +152,7 @@
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"min_silk_clearance": 0.0,
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"min_text_height": 0.8,
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"min_text_thickness": 0.08,
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"min_through_hole_diameter": 0.3,
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"min_through_hole_diameter": 0.25,
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"min_track_width": 0.2,
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"min_via_annular_width": 0.1,
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"min_via_diameter": 0.5,
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