{ "commit": { "sha": "9bdc01d31744570263d1ab27727241caf7e25266", "date": "2023-09-01T17:02:33+03:00", "subject": "switched to better gate drivers, reduced gate pulldowns to 10k, fixed bug", "url": "https://github.com/badgineer/MP2-ESC/commit/9bdc01d31744570263d1ab27727241caf7e25266", "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": "9ba5091429f8b425a3f75cf125f7dc9a87c765aa", "path": "Kicad_Project/CCC_ESC.kicad_pcb" } }, "after": { "format": "kicad_pcb", "source": { "repo": "https://github.com/badgineer/MP2-ESC", "sha": "9bdc01d31744570263d1ab27727241caf7e25266", "path": "Kicad_Project/CCC_ESC.kicad_pcb" } }, "optionsSha256": null, "engine": null }, "layoutDiff": { "schema": "pcbDiff/1", "identical": false, 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"delta": -0.001529423, "perLayer": { "F.Cu": { "a": 88.178857169, "b": 88.177327746, "delta": -0.001529423 } }, "note": "pour (region) area only" }, "vias": { "a": 0, "b": 0, "delta": 0, "drills": { "a": {}, "b": {} }, "drillDelta": {} }, "pads": { "a": 7, "b": 7, "added": [], "removed": [] }, "reroutedLengthMm": { "removed": 0, "added": 0 }, "viasMoved": { "removed": 0, "added": 0 }, "rerouted": false }, { "name": "Net-(NT5-Pad1)", "length": { "a": 0, "b": 0, "delta": 0, "perLayer": {} }, "width": { "min": { "a": null, "b": null }, "max": { "a": null, "b": null }, "perLayer": {} }, "copperArea": { "a": 89.291384517, "b": 89.289993867, "delta": -0.00139065, "perLayer": { "F.Cu": { "a": 89.291384517, "b": 89.289993867, "delta": -0.00139065 } }, "note": "pour (region) area only" }, "vias": { "a": 0, "b": 0, "delta": 0, "drills": { "a": {}, "b": {} }, "drillDelta": {} }, "pads": { "a": 7, "b": 7, "added": [], "removed": [] }, "reroutedLengthMm": { "removed": 0, "added": 0 }, "viasMoved": 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-0.001061644 } }, "note": "pour (region) area only" }, "vias": { "a": 0, "b": 0, "delta": 0, "drills": { "a": {}, "b": {} }, "drillDelta": {} }, "pads": { "a": 15, "b": 15, "added": [], "removed": [] }, "reroutedLengthMm": { "removed": 0, "added": 0 }, "viasMoved": { "removed": 0, "added": 0 }, "rerouted": false }, { "name": "V3V3", "length": { "a": 52.459248419, "b": 52.459248419, "delta": 0, "perLayer": {} }, "width": { "min": { "a": 0.2, "b": 0.2 }, "max": { "a": 0.8, "b": 0.8 }, "perLayer": {} }, "copperArea": { "a": 966.811936906, "b": 966.788391535, "delta": -0.023545371, "perLayer": { "In2.Cu": { "a": 966.811936906, "b": 966.788391535, "delta": -0.023545371 } }, "note": "pour (region) area only" }, "vias": { "a": 7, "b": 7, "delta": 0, "drills": { "a": { "0.3": 4, "0.4": 3 }, "b": { "0.3": 4, "0.4": 3 } }, "drillDelta": {} }, "pads": { "a": 18, "b": 18, "added": [], "removed": [] }, "reroutedLengthMm": { "removed": 0, "added": 0 }, "viasMoved": { "removed": 0, "added": 0 }, "rerouted": false }, { "name": "V5V", "length": { "a": 63.199276081, "b": 63.199276081, "delta": 0, "perLayer": {} }, "width": { "min": { "a": 0.2, "b": 0.2 }, "max": { "a": 0.8, "b": 0.8 }, "perLayer": {} }, "copperArea": { "a": 10.958546272, "b": 10.957973861, "delta": -0.000572411, "perLayer": { "F.Cu": { "a": 10.958546272, "b": 10.957973861, "delta": -0.000572411 } }, "note": "pour (region) area only" }, "vias": { "a": 0, "b": 0, "delta": 0, "drills": { "a": {}, "b": {} }, "drillDelta": {} }, "pads": { "a": 10, "b": 10, "added": [], "removed": [] }, "reroutedLengthMm": { "removed": 0, "added": 0 }, "viasMoved": { "removed": 0, "added": 0 }, "rerouted": false }, { "name": "VBAT", "length": { "a": 0, "b": 0, "delta": 0, "perLayer": {} }, "width": { "min": { "a": null, "b": null }, "max": { "a": null, "b": null }, "perLayer": {} }, "copperArea": { "a": 3638.192273079, "b": 3705.345801032, "delta": 67.153527953, "perLayer": { "F.Cu": { "a": 1756.297878271, "b": 1783.939857903, "delta": 27.641979631 }, "B.Cu": { "a": 1881.894394808, "b": 1921.40594313, "delta": 39.511548322 } }, "note": "pour (region) area only" }, "vias": { "a": 191, "b": 191, "delta": 0, "drills": { "a": { "0.4": 191 }, "b": { "0.4": 191 } }, "drillDelta": {} }, "pads": { "a": 43, "b": 43, "added": [], "removed": [] }, "reroutedLengthMm": { "removed": 0, "added": 0 }, "viasMoved": { "removed": 0, "added": 0 }, "rerouted": false } ] }, "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": 0, "valueChanged": 1, "footprintChanged": 0, "mpnChanged": 0, "dnpToggled": 0, "categoryChanged": 0, "total": 1, "unchanged": 215 }, "added": [], "removed": [], "qtyChanged": [], "valueChanged": [ { "kind": "value-changed", "category": "SCH", "key": "vf:10k|r_0603_1608metric", "part": { "value": "10k", "footprint": "Resistor_SMD:R_0603_1608Metric" }, "from": "1M", "to": "10k", "refs": [ "R47", "R48", "R49", "R50", "R51", "R52" ] } ], "footprintChanged": [], "mpnChanged": [], "dnpToggled": [], "categoryChanged": [], "byCategory": { "SCH": { "valueChanged": 1 }, "PCB": {}, "BOARD_FEATURE": {} } }, "impacts": [ { "id": "13dc5de57b4002ac", "kind": "bom", "ref": "R47", "refs": [ "R47", "R48", "R49", "R50", "R51", "R52" ], "category": "SCH", "metric": "value", "before": "1M", "after": "10k", "delta": null, "severity": "info", "why": "SCH line 10k R_0603_1608Metric: R47, R48, R49, R50, R51, R52 value changed (1M -> 10k).", "causes": [ "bomDiff.valueChanged[R47]", "bomDiff.valueChanged[R48]", "bomDiff.valueChanged[R49]", "bomDiff.valueChanged[R50]", "bomDiff.valueChanged[R51]", "bomDiff.valueChanged[R52]" ], "assumptionDependent": false } ], "summary": { "counts": { "high": 0, "medium": 0, "low": 0, "info": 1 }, "headline": "1 informational change(s), none against a limit; first: SCH line 10k R_0603_1608Metric: R47, R48, R49, R50, R51, R52 value changed (1M -> 10k).", "markdown": "**1 informational change(s), none against a limit; first: SCH line 10k R_0603_1608Metric: R47, R48, R49, R50, R51, R52 value changed (1M -> 10k).** Layout: components: 27 with a new value; nets: 11 changed, 2 rerouted. BOM: 1 changed value. Re-analysed on both revisions, for the changed nets and parts only: impedance, cert, returnPath. Not run for missing inputs: cert.creepage (see refused)." }, "analysed": { "ran": [ "impedance", "cert", "returnPath" ], "nets": [ "/AL_GATESIG", "/AU_GATESIG", "/BL_GATESIG", "/BU_GATESIG", "/CL_GATESIG", "/CU_GATESIG", "GND", "HIN_A", "HIN_B", "HIN_C", "LIN_A", "LIN_B", "LIN_C", "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-(U1-VB)", "Net-(U2-VB)", "Net-(U3-VB)", "PHASE_A", "PHASE_B", "PHASE_C", "V12V", "V3V3", "V5V", "VBAT" ], "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; 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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; 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