FAN3181TMX

{
  "slug": "fan3181tmx",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Gate Drive ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "fan3181tmx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fan3181tmx.kicad_sym",
    "fan3181tmx.kicad_mod",
    "fan3181tmx.glb",
    "fan3181tmx.step",
    "fan3181tmx.lbr",
    "docs/hero.png",
    "docs/fan3181tmx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fan3181tmx-hero.glb",
    "fan3181tmx-hero.overlay.json",
    "fan3181tmx-etched.glb"
  ],
  "component": {
    "mpn": "FAN3181TMX",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "Gate Drive ICs",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/fan3181tmx-d.pdf",
    "parts": {
      "symbol": "fan3181tmx.kicad_sym",
      "footprint": "fan3181tmx.kicad_mod",
      "model_3d": "fan3181tmx-hero.glb",
      "model_3d_plain": "fan3181tmx-etched.glb",
      "model_3d_step": "fan3181tmx-etched.step",
      "model_3d_step_plain": "fan3181tmx.step",
      "lbr": "fan3181tmx.lbr"
    },
    "distributor_links": {
      "lcsc": "C903475",
      "digikey": "FAN3181TMXCT-ND",
      "mouser": "512-FAN3181TMX"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T21:40:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "FAN3181TMXCT-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "512-FAN3181TMX",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "input",
        "description": "Input signal controls the output, the output is in-phase (non-inverting) with this input, and IN has a 100 k pull-down resistor."
      },
      {
        "number": "2",
        "name": "FO/SD",
        "type": "output",
        "description": "Open-drain fault output and shutdown pin that signals the main controller when the driver has detected a fault and deactivated the output."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input whose bypass capacitor to GND must be placed as close as possible to the VCC pin; fixed supply voltage is 25 V max (recommended) and absolute maximum is 30.0 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference that should connect to the IGBT emitter or shunt resistor with a short trace."
      },
      {
        "number": "5",
        "name": "CIN",
        "type": "input",
        "description": "Analog input for over-current detection."
      },
      {
        "number": "6",
        "name": "GS",
        "type": "output",
        "description": "Provides active Miller clamping of the IGBT gate during the off period to prevent parasitic turn-on from high collector-to-emitter dv/dt, with the clamp closing when the gate falls below about 1.5 V (typical)."
      },
      {
        "number": "7",
        "name": "OUT",
        "type": "output",
        "description": "Gate driver output, typically 1.5 A sourcing and 2.0 A sinking at VCC = 15 V."
      },
      {
        "number": "8",
        "name": "DESAT",
        "type": "input",
        "description": "Input for detecting IGBT desaturation; a fault is flagged when the DESAT voltage exceeds the typical 6.4 V threshold."
      }
    ],
    "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: Pin 1 to 8 assignments were taken from the Pin Function Description table and the pin connection dia; The 100 k pull-down on IN and the 100 k value in the pin description are printed without a unit symb; The IN pin is listed as a pull-down resistor of 100 k in the text, and the pin type for the VCC and "
        ],
        "pages_sent": 9,
        "cost_usd": 0.045,
        "at": "2026-10-30T21:40:36"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/fan3181tmx-d.pdf",
        "pages": 21,
        "sha256": "8cbc16fd3b9f2f3c",
        "source_tier": "mfr"
      },
      "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": "fan3181tmx.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": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fan3181tmx-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": "951fc07e13a5db645d168234cc789e03f44fb4f8c14b8224adc8283910e8bbd5",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}