IR4428STR

{
  "slug": "ir4428str",
  "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",
    "ir4428str",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ir4428str.kicad_sym",
    "ir4428str.kicad_mod",
    "ir4428str.glb",
    "ir4428str.step",
    "ir4428str.lbr",
    "docs/hero.png",
    "docs/ir4428str-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ir4428str-hero.glb",
    "ir4428str-hero.overlay.json",
    "ir4428str-etched.glb"
  ],
  "component": {
    "mpn": "IR4428STR",
    "manufacturer": "UMW",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757273668286599168",
    "parts": {
      "symbol": "ir4428str.kicad_sym",
      "footprint": "ir4428str.kicad_mod",
      "model_3d": "ir4428str-hero.glb",
      "model_3d_plain": "ir4428str-etched.glb",
      "model_3d_step": "ir4428str-etched.step",
      "model_3d_step_plain": "ir4428str.step",
      "lbr": "ir4428str.lbr"
    },
    "distributor_links": {
      "lcsc": "C20623184"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T22:05:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; the datasheet gives no function or limit for this pin."
      },
      {
        "number": "2",
        "name": "INA",
        "type": "input",
        "description": "Input to Channel A; the datasheet states the inputs can handle negative voltages down to -10 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground: all signals are referenced to this pin, and the device is not damaged by noise spikes of up to 5 V of either polarity on it."
      },
      {
        "number": "4",
        "name": "INB",
        "type": "input",
        "description": "Input to Channel B; the datasheet states the inputs can handle negative voltages down to -10 V."
      },
      {
        "number": "5",
        "name": "OUTB",
        "type": "output",
        "description": "Output of Channel B; rated for 2 A peak output current and withstands reverse output current up to 0.5 A without latching."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Bias supply input; the recommended supply range is 4.5 V to 20 V, with an absolute maximum of 25 V."
      },
      {
        "number": "7",
        "name": "OUTA",
        "type": "output",
        "description": "Output of Channel A; rated for 2 A peak output current and withstands reverse output current up to 0.5 A without latching."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; the datasheet gives no function or limit for this pin."
      }
    ],
    "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: Both NC pins are listed as NC in the Lead Definitions table with no description given in the datashe; The pin-number-to-name mapping comes from the Lead Definitions table on page 3 because the pin diagr; The -10 V input tolerance is stated in the features list as a general input property, not per pin. I"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0287,
        "at": "2026-10-17T22:04:00"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757273668286599168",
        "pages": 12,
        "sha256": "f612a688ad730f5a",
        "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": "ir4428str.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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ir4428str-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": "044ba3d48ab7493fd88a06822ccc2297949e975f73d29bf01aa38bb36c549a77",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}