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1, "added": 1 }, "rerouted": true } ] }, "outline": { "changed": false, "loops": { "a": 1, "b": 1 }, "bbox": { "a": [ 50, 47, 150, 122 ], "b": [ 50, 47, 150, 122 ] }, "size": { "a": [ 100, 75 ], "b": [ 100, 75 ] }, "perimeterMm": { "a": 350, "b": 350, "delta": 0 }, "areaMm2": { "a": 7500, "b": 7500, "delta": 0 }, "changedLengthMm": { "removed": 0, "added": 0 } }, "stackup": { "changed": false, "added": [], "removed": [], "modified": [], "reordered": false, "thickness": null }, "warnings": [] }, "bomDiff": { "summary": { "added": 0, "removed": 0, "qtyChanged": 1, "valueChanged": 0, "footprintChanged": 1, "mpnChanged": 0, "dnpToggled": 0, "categoryChanged": 0, "total": 2, "unchanged": 195 }, "added": [], "removed": [], "qtyChanged": [ { "kind": "qty-changed", "category": "SCH", "key": "vf:solderjumper_3_open|solderjumper-3_p1.3mm_open_roundedpad1.0x1.5mm_numberlabels", "part": { "value": "SolderJumper_3_Open", "footprint": "Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels" }, "qtyFrom": 1, "qtyTo": 3, "refsAdded": [ "JP2", "JP3" ], "refsRemoved": [], "refs": [ "JP1", "JP2", "JP3" ] } ], "valueChanged": [], "footprintChanged": [ { "kind": "footprint-changed", "category": "SCH", "key": "vf:crst030n10n|to220_horizontal_smallgate", "part": { "value": "CRST030N10N", "footprint": "CCC_ESC_Custom_parts:TO220_horizontal_smallgate" }, "from": "Package_TO_SOT_THT:TO-220-3_Horizontal_TabUp", "to": "CCC_ESC_Custom_parts:TO220_horizontal_smallgate", "refs": [ "QA1", "QA2", "QA3", "QA4", "QA5", "QA6", "QB1", "QB2", "QB3", "QB4", "QB5", "QB6", "QC1", "QC2", "QC3", "QC4", "QC5", "QC6" ] } ], "mpnChanged": [], "dnpToggled": [], "categoryChanged": [], "byCategory": { "SCH": { "qtyChanged": 1, "footprintChanged": 1 }, "PCB": {}, "BOARD_FEATURE": {} } }, "impacts": [ { "id": "c28c06e87e60d21d", "kind": "returnPath", "net": "V3V3", "metric": "finding.edge-proximity", "before": 0, "after": 8, "delta": 8, "severity": "medium", "why": "V3V3: rerouted (37.55 mm new copper); F.Cu width 0.2-0.5 -> 0.2-0.8 mm; vias 5 -> 7 - edge-proximity findings 0 -> 8 (a return-path finding appeared).", "causes": [ "layoutDiff.components.added[JP2]", "layoutDiff.components.added[JP3]", "layoutDiff.components.footprintChanged[JP1]", "layoutDiff.nets.changed[V3V3]" ], "assumptionDependent": true }, { "id": "f2cdcbba2b87a4ef", "kind": "returnPath", "net": "VSENSE2", "metric": "finding.edge-proximity", "before": 9, "after": 10, "delta": 1, "severity": "medium", "why": "VSENSE2: rerouted (13.35 mm new copper); R3 moved 7.7 mm; TpVS1 moved 6.764 mm - edge-proximity findings 9 -> 10 (a return-path finding appeared).", "causes": [ "layoutDiff.components.moved[R3]", "layoutDiff.components.moved[TpVS1]", "layoutDiff.nets.changed[VSENSE2]" ], "assumptionDependent": true }, { "id": "8c9649731498a59d", "kind": "bom", "ref": "JP2", "refs": [ "JP2", "JP3" ], "category": "SCH", "metric": "qty", "before": 1, "after": 3, "delta": 2, "severity": "info", "why": "SCH line SolderJumper_3_Open SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels: JP2, JP3 qty changed (qty 1 -> 3).", "causes": [ "bomDiff.qtyChanged[JP2]", "bomDiff.qtyChanged[JP3]" ], "assumptionDependent": false }, { "id": "110932f9c1700188", "kind": "bom", "ref": "QA1", "refs": [ "QA1", "QA2", "QA3", "QA4", "QA5", "QA6", "QB1", "QB2", "QB3", "QB4", "QB5", "QB6", "QC1", "QC2", "QC3", "QC4", "QC5", "QC6" ], "category": "SCH", "metric": "footprint", "before": "Package_TO_SOT_THT:TO-220-3_Horizontal_TabUp", "after": "CCC_ESC_Custom_parts:TO220_horizontal_smallgate", "delta": null, "severity": "info", "why": "SCH line CRST030N10N TO220_horizontal_smallgate: QA1, QA2, QA3, QA4, QA5, QA6, QB1, QB2, QB3, QB4, QB5, QB6, QC1, QC2, QC3, QC4, QC5, QC6 footprint changed (Package_TO_SOT_THT:TO-220-3_Horizontal_TabUp -> CCC_ESC_Custom_parts:TO220_horizontal_smallgate).", "causes": [ "bomDiff.footprintChanged[QA1]", "bomDiff.footprintChanged[QA2]", "bomDiff.footprintChanged[QA3]", "bomDiff.footprintChanged[QA4]", "bomDiff.footprintChanged[QA5]", "bomDiff.footprintChanged[QA6]", "bomDiff.footprintChanged[QB1]", "bomDiff.footprintChanged[QB2]", "bomDiff.footprintChanged[QB3]", "bomDiff.footprintChanged[QB4]", "bomDiff.footprintChanged[QB5]", "bomDiff.footprintChanged[QB6]", "bomDiff.footprintChanged[QC1]", "bomDiff.footprintChanged[QC2]", "bomDiff.footprintChanged[QC3]", "bomDiff.footprintChanged[QC4]", "bomDiff.footprintChanged[QC5]", "bomDiff.footprintChanged[QC6]" ], "assumptionDependent": false }, { "id": "c880eeb6067f253f", "kind": "impedance", "net": "Net-(J1-Pad1)", "layer": "B.Cu", "metric": "z0Ohm", "before": null, "after": 95.68, "delta": null, "severity": "info", "why": "Net-(J1-Pad1): new net; JP2 added; JP2 added to the SolderJumper_3_Open line (qty 1 -> 3) - Z0 on B.Cu appeared at 95.68 ohm, with no limit to judge against.", "causes": [ "layoutDiff.components.added[JP2]", "layoutDiff.nets.added[Net-(J1-Pad1)]" ], "assumptionDependent": true }, { "id": "becbcf4999ee0c00", "kind": "impedance", "net": "Net-(J2-Pad1)", "layer": "B.Cu", "metric": "z0Ohm", "before": null, "after": 53.89, "delta": null, "severity": "info", "why": "Net-(J2-Pad1): new net; JP1 footprint pads changed - Z0 on B.Cu appeared at 53.89 ohm, with no limit to judge against.", "causes": [ "layoutDiff.components.footprintChanged[JP1]", "layoutDiff.nets.added[Net-(J2-Pad1)]" ], "assumptionDependent": true }, { "id": "ff5fff87d3845c22", "kind": "impedance", "net": "Net-(J4-Pad1)", "layer": "B.Cu", "metric": "z0Ohm", "before": null, "after": 95.68, "delta": null, "severity": "info", "why": "Net-(J4-Pad1): new net; JP3 added; JP3 added to the SolderJumper_3_Open line (qty 1 -> 3) - Z0 on B.Cu appeared at 95.68 ohm, with no limit to judge against.", "causes": [ "layoutDiff.components.added[JP3]", "layoutDiff.nets.added[Net-(J4-Pad1)]" ], "assumptionDependent": true }, { "id": "d3eaeb678b7ccda9", "kind": "impedance", "net": "V3V3", "layer": "F.Cu", "metric": "z0Ohm", "before": 67.97, "after": 53.89, "delta": -14.08, "severity": "info", "why": "V3V3: rerouted (37.55 mm new copper); F.Cu width 0.2-0.5 -> 0.2-0.8 mm; vias 5 -> 7; +7 more - Z0 on F.Cu 67.97 ohm -> 53.89 ohm (-14.08), with no limit to judge against.", "causes": [ "layoutDiff.components.added[JP2]", "layoutDiff.components.added[JP3]", "layoutDiff.components.footprintChanged[JP1]", "layoutDiff.nets.changed[V3V3]" ], "assumptionDependent": true }, { "id": "aeff5b6753ecd5fd", "kind": "impedance", "net": "Vaux", "layer": "B.Cu", "metric": "z0Ohm", "before": 53.89, "after": null, "delta": null, "severity": "info", "why": "Vaux: net removed; JP1 footprint pads changed - Z0 on B.Cu gone (was 53.89 ohm).", "causes": [ "layoutDiff.components.footprintChanged[JP1]", "layoutDiff.nets.removed[Vaux]" ], "assumptionDependent": true }, { "id": "5055ba53be76b941", "kind": "impedance", "net": "Vaux", "layer": "F.Cu", "metric": "z0Ohm", "before": 53.89, "after": null, "delta": null, "severity": "info", "why": "Vaux: net removed; JP1 footprint pads changed - Z0 on F.Cu gone (was 53.89 ohm).", "causes": [ "layoutDiff.components.footprintChanged[JP1]", "layoutDiff.nets.removed[Vaux]" ], "assumptionDependent": true }, { "id": "0e7c2b6d72619214", "kind": "returnPath", "net": "VBAT", "metric": "finding.edge-proximity", "before": 6, "after": 4, "delta": -2, "severity": "info", "why": "VBAT: rerouted (16.38 mm new copper); vias 215 -> 193; pour +10.6 mm2 - edge-proximity findings 6 -> 4.", "causes": [ "layoutDiff.components.footprintChanged[QA1]", "layoutDiff.components.footprintChanged[QA3]", "layoutDiff.components.footprintChanged[QA5]", "layoutDiff.components.footprintChanged[QB1]", "layoutDiff.components.footprintChanged[QB3]", "layoutDiff.components.footprintChanged[QB5]", "layoutDiff.components.footprintChanged[QC1]", "layoutDiff.components.footprintChanged[QC3]", "layoutDiff.components.footprintChanged[QC5]", "layoutDiff.components.moved[CX12]", "layoutDiff.components.moved[CX13]", "layoutDiff.components.moved[CX14]", "layoutDiff.components.moved[CX15]", "layoutDiff.components.moved[CX18]", "layoutDiff.components.moved[CX19]", "layoutDiff.components.moved[CX20]", "layoutDiff.components.moved[CX23]", "layoutDiff.components.moved[CX24]", "layoutDiff.components.moved[CX25]", "layoutDiff.components.moved[CX26]", "layoutDiff.components.moved[CX30]", "layoutDiff.components.moved[CX31]", "layoutDiff.components.moved[CX32]", "layoutDiff.components.moved[R14]", "layoutDiff.components.moved[R3]", "layoutDiff.nets.changed[VBAT]" ], "assumptionDependent": true }, { "id": "98b72e444813a98e", "kind": "returnPath", "net": "VSENSE", "metric": "finding.edge-proximity", "before": 5, "after": 4, "delta": -1, "severity": "info", "why": "VSENSE: rerouted (5.255 mm new copper); R14 moved 7.7 mm - edge-proximity findings 5 -> 4.", "causes": [ "layoutDiff.components.moved[R14]", "layoutDiff.nets.changed[VSENSE]" ], "assumptionDependent": true }, { "id": "ff55b9d85b55d1a1", "kind": "returnPath", "net": "Vaux", "metric": "finding.edge-proximity", "before": 6, "after": 0, "delta": -6, "severity": "info", "why": "Vaux: net removed; JP1 footprint pads changed - edge-proximity findings 6 -> 0.", "causes": [ "layoutDiff.components.footprintChanged[JP1]", "layoutDiff.nets.removed[Vaux]" ], "assumptionDependent": true } ], "summary": { "counts": { "high": 0, "medium": 2, "low": 0, "info": 11 }, "headline": "13 impact(s) (2 medium); worst: V3V3: rerouted (37.55 mm new copper); F.Cu width 0.2-0.5 -> 0.2-0.8 mm; vias 5 -> 7 - edge-proximity findings 0 -> 8 (a return-path finding appeared).", "markdown": "**13 impact(s) (2 medium); worst: V3V3: rerouted (37.55 mm new copper); F.Cu width 0.2-0.5 -> 0.2-0.8 mm; vias 5 -> 7 - edge-proximity findings 0 -> 8 (a return-path finding appeared).** Layout: components: 2 added, 25 moved, 26 with a new footprint; nets: 3 added, 1 removed, 4 changed, 29 rerouted. BOM: 1 changed quantity, 1 changed footprint. Re-analysed on both revisions, for the changed nets and parts only: impedance, cert, returnPath. MEDIUM: V3V3: rerouted (37.55 mm new copper); F.Cu width 0.2-0.5 -> 0.2-0.8 mm; vias 5 -> 7 - edge-proximity findings 0 -> 8 (a return-path finding appeared). MEDIUM: VSENSE2: rerouted (13.35 mm new copper); R3 moved 7.7 mm; TpVS1 moved 6.764 mm - edge-proximity findings 9 -> 10 (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": [ "/AL_GATESIG", "/AU_GATESIG", "/BL_GATESIG", "/BU_GATESIG", "/CL_GATESIG", "/CU_GATESIG", "ADC12-5_SPI1SCK_TIM8CH1_F405", "GND", "HIN_A", "HIN_B", "Net-(CS3-Pad2)", "Net-(J1-Pad1)", "Net-(J2-Pad1)", "Net-(J4-Pad1)", "Net-(NT1-Pad1)", "Net-(NT3-Pad1)", "Net-(NT5-Pad1)", "Net-(QA1-Pad1)", "Net-(QA2-Pad1)", "Net-(QA3-Pad1)", "Net-(QA4-Pad1)", "Net-(QA5-Pad1)", "Net-(QA6-Pad1)", "Net-(QB1-Pad1)", "Net-(QB2-Pad1)", "Net-(QB3-Pad1)", "Net-(QB4-Pad1)", "Net-(QB5-Pad1)", "Net-(QB6-Pad1)", "Net-(QC1-Pad1)", "Net-(QC2-Pad1)", "Net-(QC3-Pad1)", "Net-(QC4-Pad1)", "Net-(QC5-Pad1)", "Net-(QC6-Pad1)", "Net-(RN5-Pad1)", "Net-(RN5-Pad2)", "PA15 TIM2 CH1", "PB3 SCK TIM2CH2", "PB4 MISO TIM3 CH1", "PB5 MOSI TIM3 CH2", "PB6 D_UART1_TX I2C1_SCL TIM4_CH1", "PB7 D_UART1_RX I2C1_SDA TIM4_CH2", "PB8 DI2C1_SCL TIM4_CH3", "PHASE_A", "PHASE_B", "PHASE_C", "UART3RX_I2C2SDA_ADC12-15_F405", "V12V", "V3V3", "V5V", "VBAT", "VSENSE", "VSENSE2", "Vaux" ], "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 } ] } } }