IR21271STR

{
  "slug": "ir21271str",
  "version": "0.1.0",
  "type": "component",
  "description": "UMW Gate Drivers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "ir21271str",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ir21271str.kicad_sym",
    "ir21271str.kicad_mod",
    "ir21271str.glb",
    "ir21271str.step",
    "ir21271str.lbr",
    "docs/hero.png",
    "docs/ir21271str-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ir21271str-hero.glb",
    "ir21271str-hero.overlay.json",
    "ir21271str-etched.glb"
  ],
  "component": {
    "mpn": "IR21271STR",
    "manufacturer": "UMW",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921133267243008",
    "parts": {
      "symbol": "ir21271str.kicad_sym",
      "footprint": "ir21271str.kicad_mod",
      "model_3d": "ir21271str-hero.glb",
      "model_3d_plain": "ir21271str-etched.glb",
      "model_3d_step": "ir21271str-etched.step",
      "model_3d_step_plain": "ir21271str.step",
      "lbr": "ir21271str.lbr"
    },
    "distributor_links": {
      "lcsc": "C20623185"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T08:58:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Low-side and main power supply; recommended range is 8 V to 20 V, with an absolute maximum of -0.3 V to 22 V."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "input",
        "description": "Logic input for the high-side gate driver output (HO), in phase with HO; VIH minimum is 2.5 V, VIL maximum is 0.8 V, and the recommended range is 0 V to VCC."
      },
      {
        "number": "3",
        "name": "FAULT",
        "type": "output",
        "description": "Open-drain, negative-logic indicator that goes low when an over-current shutdown has occurred; output voltage is rated -0.3 V to VCC + 0.3 V."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Logic ground; all voltage parameters are referenced to VSS."
      },
      {
        "number": "5",
        "name": "VS",
        "type": "power_in",
        "description": "High-side floating supply return; recommended range is -5 V to 300 V, with transient negative VS of -50 V allowed for a 50 ns pulse."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "Current sense input to the current sense comparator; the positive-going threshold is 1.8 V typical (1.5 V to 2.1 V), and the recommended signal range is VS to VS + 5 V."
      },
      {
        "number": "7",
        "name": "HO",
        "type": "output",
        "description": "High-side gate drive output, swinging between VS and VB to drive the high-side N-channel MOSFET or IGBT."
      },
      {
        "number": "8",
        "name": "VB",
        "type": "power_in",
        "description": "High-side floating bootstrap supply; recommended range is VS + 8 V to VS + 20 V, with an absolute maximum of -0.3 V to 322 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The FAULT pin name in the source text is garbled into spaced letters with underscores (rendered as a; Pin types were assigned from the datasheet's function descriptions using KiCad ERC classes (power_in"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0347,
        "at": "2026-10-18T08:57:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921133267243008",
        "pages": 11,
        "sha256": "d9c612fc7528d911",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ir21271str.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ir21271str-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "84cf6f6010cd210d73915ef8a6d38db5bccafc122c0ec1e353f546e39ca0f7ed",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}