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John Lauer Preserve virtual MPN through publish-time hero regeneration a32303a 9d ago
{
  "part": "OPA189IDBVR",
  "source": "Texas Instruments",
  "retrievalDate": "2026-10-11",
  "datasheet": {
    "url": "https://www.ti.com/lit/ds/symlink/opa189.pdf",
    "sha256": "0d8a997989aeb64693a4b2bf9c74f2fee1f006accc88b88bae2e9a7025cd6932",
    "revision": "SBOS830I, revised October 2021, package addendum includes DBV0005A drawing 4214839/K 08/2024",
    "pinMap": "Table 6-1 DBV column"
  },
  "research": {
    "manufacturerCadLink": "TI exact-part page links Ultra Librarian; redistribution permission not established, not reused",
    "rejectedGeneric": {
      "source": "KiCad SOT-23-5.step 2025, inspected locally only",
      "reason": "Measured total height 1.55 mm exceeds TI DBV0005A maximum 1.45 mm",
      "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7"
    }
  },
  "model": {
    "authorship": "Original Adom nominal reconstruction",
    "generator": "build_model.py",
    "kernel": "Existing shared OCP environment",
    "units": "STEP mm, GLB meters",
    "sourceDrawing": "DBV0005A 4214839/K 08/2024",
    "nominalMm": {
      "bodyWidth": 1.6,
      "bodyLength": 2.9,
      "totalHeight": 1.2,
      "leadSpan": 2.9,
      "pitch": 0.95,
      "leadWidth": 0.4,
      "toeThickness": 0.15,
      "toeLength": 0.35
    },
    "drawingLimitsMm": {
      "bodyWidth": [
        1.45,
        1.75
      ],
      "bodyLength": [
        2.6,
        3.0
      ],
      "totalHeight": [
        0.9,
        1.45
      ],
      "leadSpan": [
        2.75,
        3.05
      ],
      "leadWidth": [
        0.3,
        0.5
      ],
      "leadThickness": [
        0.08,
        0.22
      ],
      "toeLength": [
        0.3,
        0.6
      ]
    },
    "simplifications": [
      "Nominal ruled taper; no mold flash or fillets",
      "Polygonal gull-wing bend, no bend radii",
      "No manufacturer pin-index detail or ink reconstruction",
      "No internal die represented"
    ],
    "marking": "Virtual full MPN from AIFlow shared-service marking planner; distinct plain variant retained",
    "construction": "Boolean taper cuts from an analytic box retain a canonical top plane; equivalent loft-cap serialization was not accepted by current mark metadata/planner."
  },
  "footprint": {
    "authorship": "Original transcription of TI example land pattern",
    "padSizeMm": [
      1.1,
      0.6
    ],
    "rowSpacingMm": 2.6,
    "pitchMm": 0.95,
    "postprocess": "Removed generated vertical silk segments crossing the pad row; retained outside horizontal lines and pin1 indication",
    "nativeProcessQualification": false
  },
  "symbol": {
    "authorship": "Original Adom project symbol, reused exact five-pin map",
    "review": "Pin numbers/functions checked against TI Table 6-1"
  },
  "qualification": "Nominal digital asset, not qualified physical assembly",
  "assetSha256": {
    "opa189idbvr.kicad_sym": "536f7579675fc80733b9b1063cc07328b3e8273ae47326bf9c4b3c704925564e",
    "opa189idbvr-hero.glb": "2a7eac40816159e4300f9dff16c1d6cda921a855a4c73d669428bc168e8a8a1b",
    "opa189idbvr-marked.glb": "3116f509089e95084a73a407dbb0f4cd80db0cc92e549ac9606529f33ee70f78",
    "opa189idbvr-marked.step": "802a56ebdffb235b34f43ae56dc6229b938275e991d3659b766de1db5ab59f55",
    "opa189idbvr.lbr": "553237fb08ed79257c5fb94f9c68a18804af3cecd1662ba806bce75890485dda",
    "opa189idbvr-ai-nominal.step": "9fa4dcac8fe7f8270635f39ac4fff608ff7302762b8607ea2917035f3c14746b",
    "opa189idbvr-plain.glb": "b44085ecaddcb33e6786ab7f73f30e6eb985204d37b1ef332f0c7e1ed32dc37b",
    "opa189idbvr.kicad_mod": "797b41ff2db3a1249a795079eea244ff5f126831ac23326ba3e610cd262b87fe",
    "hero.png": "ab4b87332534d873749aebeae8f102ff1eba5c70215cb24a0e170f8df48b3377",
    "opa189idbvr.step": "802a56ebdffb235b34f43ae56dc6229b938275e991d3659b766de1db5ab59f55"
  },
  "markReview": {
    "status": "PASS",
    "check": "opa189idbvr-marked.check.json",
    "visual": "Top check image inspected: upright full MPN with three-lead row below and pin 1 lower left in normalized view; interactive wiki review still pending",
    "hero": "Actual marked STEP rendered with iso2 camera; upright text visually inspected. Assembly coordinates unchanged.",
    "heroGlb": "Publish regenerates hero from model_3d_plain (board-use without annotations, not necessarily unmarked); corrected mapping to marked GLB. LaserEtch node verified after publish."
  }
}