{ "commit": { "sha": "ea69411fa0023f2029a598726f6afaffe0d5ec1a", "date": "2023-10-28T00:50:04+03:00", "subject": "Simplified 150v setup (#18)", "url": "https://github.com/badgineer/MP2-ESC/commit/ea69411fa0023f2029a598726f6afaffe0d5ec1a", "board": "Kicad_Project/CCC_ESC.kicad_pcb" }, "project": { "title": "CCC ESC (MP2-ESC)", "repo": "https://github.com/badgineer/MP2-ESC", "licence": "BSD-3-Clause" }, "impactDiff": { "schema": "nativecad.impactDiff/1", "inputs": { "before": { "format": "kicad_pcb", "source": { "repo": "https://github.com/badgineer/MP2-ESC", "sha": "1e8a116ed7e78344a1fc6bcb8274c1a2e9c4854a", "path": "Kicad_Project/CCC_ESC.kicad_pcb" } }, "after": { "format": "kicad_pcb", "source": { "repo": "https://github.com/badgineer/MP2-ESC", "sha": "ea69411fa0023f2029a598726f6afaffe0d5ec1a", "path": "Kicad_Project/CCC_ESC.kicad_pcb" } }, "optionsSha256": null, "engine": null }, "layoutDiff": { "schema": "pcbDiff/1", "identical": false, "tolerances": { "posTol": 0.001, "rotTol": 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"bomDiff.valueChanged[CX26]", "bomDiff.valueChanged[CX27]", "bomDiff.valueChanged[CX28]", "bomDiff.valueChanged[CX29]", "bomDiff.valueChanged[CX30]", "bomDiff.valueChanged[CX31]", "bomDiff.valueChanged[CX32]" ], "assumptionDependent": false }, { "id": "8614e1fa615704e7", "kind": "bom", "ref": "D7", "category": "SCH", "metric": "qty", "before": 1, "after": 0, "delta": -1, "severity": "info", "why": "SCH line SMBJ85A D_SMB: D7 removed (qty 1 -> 0).", "causes": [ "bomDiff.removed[D7]" ], "assumptionDependent": false }, { "id": "12d7ea8d011f9530", "kind": "bom", "ref": "D8", "category": "SCH", "metric": "qty", "before": 1, "after": 0, "delta": -1, "severity": "info", "why": "SCH line SMCJ85A D_SMC_Handsoldering: D8 removed (qty 1 -> 0).", "causes": [ "bomDiff.removed[D8]" ], "assumptionDependent": false }, { "id": "521c6aad49bccea8", "kind": "bom", "ref": "R14", "category": "SCH", "metric": "value", "before": "270k", "after": "360k", "delta": null, "severity": "info", "why": "SCH line 360k R_0805_2012Metric: R14 value changed (270k -> 360k).", "causes": [ "bomDiff.valueChanged[R14]" ], "assumptionDependent": false }, { "id": "2f91c7fc4ec385e1", "kind": "bom", "ref": "R15", "category": "SCH", "metric": "value", "before": "11k", "after": "8k2", "delta": null, "severity": "info", "why": "SCH line 8k2 R_0603_1608Metric: R15 value changed (11k -> 8k2).", "causes": [ "bomDiff.valueChanged[R15]" ], "assumptionDependent": false }, { "id": "2b2ee2bed8792d8b", "kind": "bom", "ref": "R17", "category": "SCH", "metric": "value", "before": "8k2", "after": "22k", "delta": null, "severity": "info", "why": "SCH line 22k R_0603_1608Metric: R17 value changed (8k2 -> 22k).", "causes": [ "bomDiff.valueChanged[R17]" ], "assumptionDependent": false }, { "id": "13fa930820e1dd95", "kind": "bom", "ref": "R3", "category": "SCH", "metric": "qty", "before": 2, "after": 0, "delta": -2, "severity": "info", "why": "SCH line 270k R_0805_2012Metric: R3 removed (qty 2 -> 0).", "causes": [ "bomDiff.removed[R3]" ], "assumptionDependent": false }, { "id": "c7d07647ea398276", "kind": "bom", "ref": "R38", "category": "SCH", "metric": "value", "before": "47k", "after": "220k", "delta": null, "severity": "info", "why": "SCH line 220k R_0603_1608Metric: R38 value changed (47k -> 220k).", "causes": [ "bomDiff.valueChanged[R38]" ], "assumptionDependent": false }, { "id": "81344d8f5fbec92a", "kind": "bom", "ref": "R4", "category": "SCH", "metric": "qty", "before": 2, "after": 0, "delta": -2, "severity": "info", "why": "SCH line 11k R_0603_1608Metric: R4 removed (qty 2 -> 0).", "causes": [ "bomDiff.removed[R4]" ], "assumptionDependent": false }, { "id": "0f86281d9fea3a0f", "kind": "bom", "ref": "R40", "category": "SCH", "metric": "qty", "before": 5, "after": 3, "delta": -2, "severity": "info", "why": "SCH line 47k R_0603_1608Metric: R40 qty changed (qty 5 -> 3).", "causes": [ "bomDiff.qtyChanged[R40]" ], "assumptionDependent": false }, { "id": "bf2721ec8e800e72", "kind": "bom", "ref": "R70", "category": "SCH", "metric": "qty", "before": 3, "after": 4, "delta": 1, "severity": "info", "why": "SCH line 100k R_0603_1608Metric: R70 qty changed (qty 3 -> 4).", "causes": [ "bomDiff.qtyChanged[R70]" ], "assumptionDependent": false }, { "id": "d75802ac727901da", "kind": "bom", "ref": "TpOCP1", "refs": [ "TpOCP1", "TpVS1" ], "category": "BOARD_FEATURE", "metric": "refs", "before": "TpVS1", "after": "TpOCP1", "delta": null, "severity": "info", "why": "BOARD_FEATURE line TestPoint TestPoint_THTPad_D2.0mm_Drill1.0mm: TpVS1 -> TpOCP1 (same qty 10).", "causes": [ "bomDiff.qtyChanged[TpOCP1]", "bomDiff.qtyChanged[TpVS1]" ], "assumptionDependent": false }, { "id": "d6be80bd8a54a943", "kind": "impedance", "net": "Net-(SW1-Pin_1)", "layer": "B.Cu", "metric": "z0Ohm", "before": 30.35, "after": null, "delta": null, "severity": "info", "why": "Net-(SW1-Pin_1): renamed from Net-(D7-A1); rerouted (4.589 mm new copper); no longer on B.Cu; +5 more - Z0 on B.Cu gone (was 30.35 ohm).", "causes": [ "layoutDiff.components.removed[D7]", "layoutDiff.components.removed[D8]", "layoutDiff.nets.changed[Net-(SW1-Pin_1)]" ], "assumptionDependent": true }, { "id": "0d0c197c23687382", "kind": "impedance", "net": "OVERCURRENT", "layer": "B.Cu", "metric": "z0Ohm", "before": null, "after": 95.68, "delta": null, "severity": "info", "why": "OVERCURRENT: new net; R70 added; R70 added to the 100k line (qty 3 -> 4); +2 more - Z0 on B.Cu appeared at 95.68 ohm, with no limit to judge against.", "causes": [ "layoutDiff.components.added[R70]", "layoutDiff.components.added[TpOCP1]", "layoutDiff.nets.added[OVERCURRENT]" ], "assumptionDependent": true }, { "id": "5e300a600542856e", "kind": "impedance", "net": "OVERCURRENT", "layer": "F.Cu", "metric": "z0Ohm", "before": null, "after": 95.68, "delta": null, "severity": "info", "why": "OVERCURRENT: new net; R70 added; R70 added to the 100k line (qty 3 -> 4); +2 more - Z0 on F.Cu appeared at 95.68 ohm, with no limit to judge against.", "causes": [ "layoutDiff.components.added[R70]", "layoutDiff.components.added[TpOCP1]", "layoutDiff.nets.added[OVERCURRENT]" ], "assumptionDependent": true }, { "id": "304b6a67865fcd75", "kind": "impedance", "net": "VSENSE2", "layer": "B.Cu", "metric": "z0Ohm", "before": 95.68, "after": null, "delta": null, "severity": "info", "why": "VSENSE2: net removed; C4 removed; C4 removed from the 3.3nF line (qty 2 -> 1); +8 more - Z0 on B.Cu gone (was 95.68 ohm).", "causes": [ "layoutDiff.components.removed[C4]", "layoutDiff.components.removed[R3]", "layoutDiff.components.removed[R40]", "layoutDiff.components.removed[R4]", "layoutDiff.components.removed[TpVS1]", "layoutDiff.nets.removed[VSENSE2]" ], "assumptionDependent": true }, { "id": "d1a1c9534cb94659", "kind": "impedance", "net": "VSENSE2", "layer": "F.Cu", "metric": "z0Ohm", "before": 95.68, "after": null, "delta": null, "severity": "info", "why": "VSENSE2: net removed; C4 removed; C4 removed from the 3.3nF line (qty 2 -> 1); +8 more - Z0 on F.Cu gone (was 95.68 ohm).", "causes": [ "layoutDiff.components.removed[C4]", "layoutDiff.components.removed[R3]", "layoutDiff.components.removed[R40]", "layoutDiff.components.removed[R4]", "layoutDiff.components.removed[TpVS1]", "layoutDiff.nets.removed[VSENSE2]" ], "assumptionDependent": true }, { "id": "27303680f1d5a0c1", "kind": "impedance", "net": "VSENSE2", "layer": "In2.Cu", "metric": "z0Ohm", "before": 65.77, "after": null, "delta": null, "severity": "info", "why": "VSENSE2: net removed; C4 removed; C4 removed from the 3.3nF line (qty 2 -> 1); +8 more - Z0 on In2.Cu gone (was 65.77 ohm).", "causes": [ "layoutDiff.components.removed[C4]", "layoutDiff.components.removed[R3]", "layoutDiff.components.removed[R40]", "layoutDiff.components.removed[R4]", "layoutDiff.components.removed[TpVS1]", "layoutDiff.nets.removed[VSENSE2]" ], "assumptionDependent": true }, { "id": "dacaf3644bffab99", "kind": "returnPath", "net": "Net-(SW1-Pin_1)", "metric": "finding.edge-proximity", "before": 6, "after": 5, "delta": -1, "severity": "info", "why": "Net-(SW1-Pin_1): renamed from Net-(D7-A1); rerouted (4.589 mm new copper); no longer on B.Cu - edge-proximity findings 6 -> 5.", "causes": [ "layoutDiff.components.removed[D7]", "layoutDiff.components.removed[D8]", "layoutDiff.nets.changed[Net-(SW1-Pin_1)]" ], "assumptionDependent": true }, { "id": "98b72e444813a98e", "kind": "returnPath", "net": "VSENSE", "metric": "finding.edge-proximity", "before": 4, "after": 0, "delta": -4, "severity": "info", "why": "VSENSE: rerouted (43.13 mm new copper); C19 moved 16 mm; R14 moved 1.103 mm - edge-proximity findings 4 -> 0.", "causes": [ "layoutDiff.components.moved[C19]", "layoutDiff.components.moved[R14]", "layoutDiff.components.valueChanged[R15]", "layoutDiff.components.valueChanged[R38]", "layoutDiff.nets.changed[VSENSE]" ], "assumptionDependent": true }, { "id": "f2cdcbba2b87a4ef", "kind": "returnPath", "net": "VSENSE2", "metric": "finding.edge-proximity", "before": 5, "after": 0, "delta": -5, "severity": "info", "why": "VSENSE2: net removed; C4 removed; C4 removed from the 3.3nF line (qty 2 -> 1) - edge-proximity findings 5 -> 0.", "causes": [ "layoutDiff.components.removed[C4]", "layoutDiff.components.removed[R3]", "layoutDiff.components.removed[R40]", "layoutDiff.components.removed[R4]", "layoutDiff.components.removed[TpVS1]", "layoutDiff.nets.removed[VSENSE2]" ], "assumptionDependent": true } ], "summary": { "counts": { "high": 0, "medium": 1, "low": 0, "info": 22 }, "headline": "23 impact(s) (1 medium); worst: OVERCURRENT: new net; R70 added; R70 added to the 100k line (qty 3 -> 4) - edge-proximity findings 0 -> 3 (a return-path finding appeared).", "markdown": "**23 impact(s) (1 medium); worst: OVERCURRENT: new net; R70 added; R70 added to the 100k line (qty 3 -> 4) - edge-proximity findings 0 -> 3 (a return-path finding appeared).** Layout: components: 2 added, 7 removed, 2 moved, 1 rotated, 26 with a new value; nets: 1 added, 1 removed, 1 renamed, 2 changed, 4 rerouted. BOM: 4 removed, 4 changed quantity, 5 changed value. Re-analysed on both revisions, for the changed nets and parts only: impedance, cert, returnPath. MEDIUM: OVERCURRENT: new net; R70 added; R70 added to the 100k line (qty 3 -> 4) - edge-proximity findings 0 -> 3 (a return-path finding appeared). Not run for missing inputs: cert.creepage (see refused). Rows marked assumptionDependent rest on ledgered typical values." }, "analysed": { "ran": [ "impedance", "cert", "returnPath" ], "nets": [ "FET_TEMP", "GND", "Net-(R16-Pad1)", "Net-(SW1-Pin_1)", "OVERCURRENT", "V3V3", "VBAT", "VSENSE", "VSENSE2" ], "rails": [] }, "assumptions": { "before": [ { "source": "default", "analysis": "impedance", "key": "mask.er", "value": 3.8, "citation": "LPI solder mask epsilon_r 3.8 (NativeCAD default)", "verified": false, "affects": [ "outer-layer traces" ] }, { "source": "default", "analysis": "cert", "key": "fab", "value": "jlcpcb", "citation": "fab profile jlcpcb (NativeCAD default)", "verified": true, "affects": [] }, { "source": "default", "analysis": "cert", "key": "ipc6012.drillPositionTolMm", "value": 0.075, "unit": "mm", "citation": "NativeCAD default (typical standard-technology rigid fab; no fab publishes it)", "verified": false, "affects": [ "ipc6012" ] }, { "source": "default", "analysis": "cert", "key": "ipc6012.innerRegistrationTolMm", "value": 0.075, "unit": "mm", "citation": "NativeCAD default (typical standard-technology rigid fab; no fab publishes it)", "verified": false, "affects": [ "ipc6012" ] }, { "source": "default", "analysis": "cert", "key": "ipc6012.outerRegistrationTolMm", "value": 0.05, "unit": "mm", "citation": "NativeCAD default (typical standard-technology rigid fab; no fab publishes it)", "verified": false, "affects": [ "ipc6012" ] }, { "source": "default", "analysis": "cert", "key": "ipcClass", "value": "2", "citation": "IPC-6012 Class 2 (dedicated service) - the general commercial default", "verified": true, "affects": [] }, { "source": "default", "analysis": "cert", "key": "motC", "value": 105, "citation": "requested MOT 105 C (FR-4 laminates' common UL RTI)", "verified": false, "affects": [], "unit": "C" }, { "source": "default", "analysis": "returnPath", "key": "erEff", "value": 4, "citation": "effective epsilon_r 4 for the stitching distance (NativeCAD default)", "verified": false, "affects": [] }, { "source": "derived", "analysis": "returnPath", "key": "planes", "value": [ "In1.Cu:GND", "In2.Cu:GND" ], "citation": "inner layer with >= 30 % pour cover of one net (outer: >= 80 % and no other net's traces); voids = holes >= 2 mm^2 in that net's pours, as bounding rectangles", "affects": [ "every finding" ] }, { "source": "default", "analysis": "returnPath", "key": "riseTimeNs", "value": 1, "citation": "edge rise time 1 ns, f_knee = 0.35 / t_r (Johnson & Graham)", "verified": true, "affects": [], "unit": "ns" } ], "after": [ { "source": "default", "analysis": "impedance", "key": "mask.er", "value": 3.8, "citation": "LPI solder mask epsilon_r 3.8 (NativeCAD default)", "verified": false, "affects": [ "outer-layer traces" ] }, { "source": "default", "analysis": "cert", "key": "fab", "value": "jlcpcb", "citation": "fab profile jlcpcb (NativeCAD default)", "verified": true, "affects": [] }, { "source": "default", "analysis": "cert", "key": "ipc6012.drillPositionTolMm", "value": 0.075, "unit": "mm", "citation": "NativeCAD default (typical standard-technology rigid fab; no fab publishes it)", "verified": false, "affects": [ "ipc6012" ] }, { "source": "default", "analysis": "cert", "key": "ipc6012.innerRegistrationTolMm", "value": 0.075, "unit": "mm", "citation": "NativeCAD default (typical standard-technology rigid fab; no fab publishes it)", "verified": false, "affects": [ "ipc6012" ] }, { "source": "default", "analysis": "cert", "key": "ipc6012.outerRegistrationTolMm", "value": 0.05, "unit": "mm", "citation": "NativeCAD default (typical standard-technology rigid fab; no fab publishes it)", "verified": false, "affects": [ "ipc6012" ] }, { "source": "default", "analysis": "cert", "key": "ipcClass", "value": "2", "citation": "IPC-6012 Class 2 (dedicated service) - the general commercial default", "verified": true, "affects": [] }, { "source": "default", "analysis": "cert", "key": "motC", "value": 105, "citation": "requested MOT 105 C (FR-4 laminates' common UL RTI)", "verified": false, "affects": [], "unit": "C" }, { "source": "default", "analysis": "returnPath", "key": "erEff", "value": 4, "citation": "effective epsilon_r 4 for the stitching distance (NativeCAD default)", "verified": false, "affects": [] }, { "source": "derived", "analysis": "returnPath", "key": "planes", "value": [ "In1.Cu:GND", "In2.Cu:GND" ], "citation": "inner layer with >= 30 % pour cover of one net (outer: >= 80 % and no other net's traces); voids = holes >= 2 mm^2 in that net's pours, as bounding rectangles", "affects": [ "every finding" ] }, { "source": "default", "analysis": "returnPath", "key": "riseTimeNs", "value": 1, "citation": "edge rise time 1 ns, f_knee = 0.35 / t_r (Johnson & Graham)", "verified": true, "affects": [], "unit": "ns" } ] }, "refused": { "before": [ { "analysis": "cert.creepage", "reasonCode": "pcb_analysis_needs_input", "needs": [ "cert.pairs[].a", "cert.pairs[].b", "cert.pairs[].workingVrms" ], "remedy": "creepage needs the net pairs and the working voltage between them; UL 796 and IPC-6012 ran without them", "requested": false } ], "after": [ { "analysis": "cert.creepage", "reasonCode": "pcb_analysis_needs_input", "needs": [ "cert.pairs[].a", "cert.pairs[].b", "cert.pairs[].workingVrms" ], "remedy": "creepage needs the net pairs and the working voltage between them; UL 796 and IPC-6012 ran without them", "requested": false } ] } } }