FAN3181TMX

{
  "schema_version": 1,
  "type": "component",
  "slug": "fan3181tmx",
  "title": "FAN3181TMX",
  "brief": "onsemi Gate Drive ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management ics",
    "fan3181tmx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 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,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "951fc07e13a5db645d168234cc789e03f44fb4f8c14b8224adc8283910e8bbd5",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-8",
      "Category": "Power Management ICs",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8cbc16fd3b9f2f3c1dc5c5badc879cc0eb4ab2547f040a155e2562449308f827",
      "rows": [
        {
          "name": "Fixed Supply Voltage",
          "symbol": "VCC UVLO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Max printed as VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Fixed Supply Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output 1 Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max printed as VCC+0.3",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output 2 Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max printed as VCC+0.3",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "IN, FO/SD, DESAT, VCIN, and VFO Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max printed as VCC+0.3",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic Discharge Capability, Human Body Model",
          "symbol": "ESDHBM",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Single value printed, placed as max",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic Discharge Capability, Charged Device Model",
          "symbol": "ESDCDM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Single value printed, placed as max",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current for VCC",
          "symbol": "IQCC",
          "kind": "electrical",
          "unit": "A",
          "min": 600,
          "typ": 850,
          "max": 1050,
          "conditions": "VIN= 0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VCC Supply UV Trip Voltage",
          "symbol": "VCCUV",
          "kind": "electrical",
          "unit": "V",
          "min": 11,
          "typ": 12,
          "max": 13,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VCC Supply UV Hysteresis",
          "symbol": "VCCHYS",
          "kind": "electrical",
          "unit": "V",
          "min": 0.5,
          "typ": 1,
          "max": 1.5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VCC Supply UV Filter Time",
          "symbol": "tVCCUV",
          "kind": "timing",
          "unit": "s",
          "min": 5,
          "typ": 10,
          "max": 15,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating Current for VCC",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": 1.5,
          "typ": null,
          "max": 2,
          "conditions": "fIN= 20 kHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High Level Input Voltage for IN",
          "symbol": "VIHT",
          "kind": "electrical",
          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low Level Input Voltage for IN",
          "symbol": "VILT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 1.2,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High Level Logic Input Bias Current",
          "symbol": "IIN+",
          "kind": "electrical",
          "unit": "A",
          "min": 125,
          "typ": 150,
          "max": 200,
          "conditions": "VIN= VCC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Pull-Down Resistance",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "k",
          "min": 75,
          "typ": 100,
          "max": 120,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output HIGH Short-Circuit Pulse Current",
          "symbol": "IO+",
          "kind": "electrical",
          "unit": "A",
          "min": 1,
          "typ": null,
          "max": 1.5,
          "conditions": "VO=0 V, VIN=5 V with PW=10 µs",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output LOW Short-Circuit Pulse Current",
          "symbol": "IO-",
          "kind": "electrical",
          "unit": "A",
          "min": 1.5,
          "typ": null,
          "max": 2,
          "conditions": "VO=15 V, VIN=0 V with PW=10 µs",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Soft Turn-Off Sink Current",
          "symbol": "ISOFT",
          "kind": "electrical",
          "unit": "mA",
          "min": 20,
          "typ": 30,
          "max": 40,
          "conditions": "VCIN=1 V, VO=VCC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Over-Current Detect Threshold",
          "symbol": "VCINTH",
          "kind": "electrical",
          "unit": "mV",
          "min": 450,
          "typ": 500,
          "max": 550,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Short-Circuit Input Current",
          "symbol": "ICIN",
          "kind": "electrical",
          "unit": "µA",
          "min": 5,
          "typ": 10,
          "max": 15,
          "conditions": "VCIN=1 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Desaturation Threshold Voltage",
          "symbol": "VDESAT",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": 6.4,
          "max": 6.8,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Current Source",
          "symbol": "IDESAT",
          "kind": "electrical",
          "unit": "µA",
          "min": 215,
          "typ": 250,
          "max": 285,
          "conditions": "IN=HIGH",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Switch On Resistance",
          "symbol": "RONSAT",
          "kind": "electrical",
          "unit": "",
          "min": 2.5,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "GS Pin Threshold Voltage",
          "symbol": "VGSTH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.5,
          "max": 1.8,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "GS Pin Low Level Clamp Voltage",
          "symbol": "VCLAMP",
          "kind": "electrical",
          "unit": "mV",
          "min": 110,
          "typ": null,
          "max": 250,
          "conditions": "IGS=50 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "GS Pin Clamp Current",
          "symbol": "IGSCLAMP",
          "kind": "electrical",
          "unit": "A",
          "min": 0.5,
          "typ": null,
          "max": 1,
          "conditions": "VGS=GND + 2.5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Clamp Switch Resistance",
          "symbol": "RONCLAMP",
          "kind": "electrical",
          "unit": "",
          "min": 2.2,
          "typ": null,
          "max": 4.5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "FO/SD High Threshold Voltage",
          "symbol": "VFOSDH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "FO/SD Low Threshold Voltage",
          "symbol": "VFOSDL",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 1.2,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Fault Output On Resistance",
          "symbol": "RDSFO",
          "kind": "electrical",
          "unit": "",
          "min": 250,
          "typ": null,
          "max": 400,
          "conditions": "IFO=5 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Turn-On Propagation Delay",
          "symbol": "tON",
          "kind": "timing",
          "unit": "ns",
          "min": 10,
          "typ": 15,
          "max": 20,
          "conditions": "VIN From 0 V to 5 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Turn-Off Propagation Delay",
          "symbol": "tOFF",
          "kind": "timing",
          "unit": "ns",
          "min": 12,
          "typ": 17,
          "max": 22,
          "conditions": "VIN From 5 V to 0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Turn-On Rise Time",
          "symbol": "tR",
          "kind": "timing",
          "unit": "ns",
          "min": 15,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Turn-Off Fall Time",
          "symbol": "tF",
          "kind": "timing",
          "unit": "ns",
          "min": 10,
          "typ": null,
          "max": 17,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Fault Output Duration",
          "symbol": "tFAULT",
          "kind": "timing",
          "unit": "µs",
          "min": 75,
          "typ": 110,
          "max": 145,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Desat Blanking Time",
          "symbol": "tDESABLK",
          "kind": "timing",
          "unit": "µs",
          "min": 1.8,
          "typ": 2.8,
          "max": 3.8,
          "conditions": "VDESAT = 6.5 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "FO/SD to Output LOW Propagation Delay",
          "symbol": "tFOSD",
          "kind": "timing",
          "unit": "ns",
          "min": 17,
          "typ": null,
          "max": 22,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "CIN Pin Leading-Edge Blanking Time",
          "symbol": "tCINBLT",
          "kind": "timing",
          "unit": "ns",
          "min": 300,
          "typ": 400,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Time from CIN Triggering to FO",
          "symbol": "tCINFO",
          "kind": "timing",
          "unit": "ns",
          "min": 250,
          "typ": 350,
          "max": 450,
          "conditions": "From VCIN=1 V to FO Turn-Off",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Time from CIN Triggering to Output Turn-Off",
          "symbol": "tCINOFF",
          "kind": "timing",
          "unit": "ns",
          "min": 330,
          "typ": 430,
          "max": 530,
          "conditions": "From VCIN=1 V to Gate Turn-Off",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Time from Clamp Triggering to Output Turn-Off",
          "symbol": "tCLAMP",
          "kind": "timing",
          "unit": "ns",
          "min": 6,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Time from DESAT Triggering to Output Turn-Off",
          "symbol": "tDESAT",
          "kind": "timing",
          "unit": "ns",
          "min": 330,
          "typ": 430,
          "max": 530,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input Logic Hysteresis",
          "symbol": "VINHYST",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High Level Output Voltage (VCC- VOUT)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "IOUT=100 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.35,
          "max": null,
          "conditions": "IOUT=100 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low Level Logic Input Bias Current",
          "symbol": "IIN-",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VIN= 0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Fault Output Leakage Current",
          "symbol": "IFOSDLK",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VFOSD=VCC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Fault Output Low Level Voltage",
          "symbol": "VFOL",
          "kind": "electrical",
          "unit": "V",
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