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Ray Set visibility: public 7d242cd 9d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ir2181strpbf",
  "title": "IR2181STRPBF",
  "brief": "Infineon Technologies Gate Drivers, 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",
    "motor driver ics",
    "ir2181strpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "IR2181STRPBF",
    "manufacturer": "Infineon Technologies",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586177163967516672",
    "parts": {
      "symbol": "ir2181strpbf.kicad_sym",
      "footprint": "ir2181strpbf.kicad_mod",
      "model_3d": "ir2181strpbf-hero.glb",
      "model_3d_plain": "ir2181strpbf-etched.glb",
      "model_3d_step": "ir2181strpbf-etched.step",
      "model_3d_step_plain": "ir2181strpbf.step",
      "lbr": "ir2181strpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C37524",
      "digikey": "IR2181SPBFTR-ND",
      "mouser": "942-IR2181STRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T09:11:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "IR2181SPBFTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "942-IR2181STRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "HIN",
        "type": "input",
        "description": "Logic input for the high side gate driver output (HO), in phase, compatible with 3.3V and 5V logic with VIH min 2.7 V and VIL max 0.8 V, and internally clamped with a 5.2V zener diode."
      },
      {
        "number": "2",
        "name": "LIN",
        "type": "input",
        "description": "Logic input for the low side gate driver output (LO), in phase, compatible with 3.3V and 5V logic with VIH min 2.7 V and VIL max 0.8 V, and internally clamped with a 5.2V zener diode."
      },
      {
        "number": "3",
        "name": "COM",
        "type": "power_in",
        "description": "Low side return and reference for all voltage parameters (absolute maximum ratings are referenced to COM)."
      },
      {
        "number": "4",
        "name": "LO",
        "type": "output",
        "description": "Low side gate drive output, rated for pulsed source current of 1.4 A min and sink current of 1.8 A min (PW ≤ 10 µs), with VLO between -0.3 V and VCC + 0.3 V."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Low side and logic fixed supply, recommended 10 V to 20 V (absolute maximum -0.3 V to 25 V)."
      },
      {
        "number": "6",
        "name": "VS",
        "type": "power_in",
        "description": "High side floating supply return, with recommended operation up to 600 V and offset VB - 25 V to VB + 0.3 V (absolute), and dVS/dt limited to 50 V/ns."
      },
      {
        "number": "7",
        "name": "HO",
        "type": "output",
        "description": "High side gate drive output, with VHO between VS - 0.3 V and VB + 0.3 V."
      },
      {
        "number": "8",
        "name": "VB",
        "type": "power_in",
        "description": "High side floating supply, recommended VS + 10 V to VS + 20 V (absolute maximum -0.3 V to 625 V referenced to COM)."
      }
    ],
    "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 datasheet has no entry for the tape-and-reel suffix 'TR' in the MPN IR2181STRPBF. The ordering t; Pin types for COM, VS and VB are set to power_in because they are supply or return references. VS is; Pin descriptions are limited to what the datasheet states. The datasheet gives no separate pin-level"
        ],
        "pages_sent": 21,
        "cost_usd": 0.0704,
        "at": "2026-10-17T09:11:17"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586177163967516672",
        "pages": 21,
        "sha256": "c566e9e337a4884f",
        "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"
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        "seat": "z = 0",
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "1b8b92ec1905a14f4adc1386f57e6a786f6591b91f5e9349432b9f4e81be3673",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Infineon Technologies",
      "Package": "SOIC-8",
      "Category": "Motor Driver ICs",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "c566e9e337a4884f9ff913e301ed1754252fb1704961c560992df4e28729e572",
      "rows": [
        {
          "name": "VB High side floating absolute voltage",
          "symbol": "VB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 625,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Low side and logic fixed supply voltage (absolute maximum)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Allowable offset supply voltage transient",
          "symbol": "dVS/dt",
          "kind": "absolute_maximum",
          "unit": "V/ns",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Package power dissipation (8-lead SOIC)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.625,
          "conditions": "TA ≤ +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient (8-lead SOIC)",
          "symbol": "RthJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -50,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "soldering, 10 seconds",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Low side and logic fixed supply voltage (recommended)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 10,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Low side output voltage (recommended)",
          "symbol": "VLO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "High side floating supply offset voltage (recommended)",
          "symbol": "VS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "min per Note 1 (not numeric in datasheet)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Delay matching, HS & LS turn-on/off",
          "symbol": "MT",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 0,
          "max": 35,
          "conditions": "VBIAS (VCC, VBS) = 15V, VSS = COM, CL = 1000 pF, TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Turn-on propagation delay",
          "symbol": "ton",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 180,
          "max": 270,
          "conditions": "VBIAS (VCC, VBS) = 15V, VSS = COM, CL = 1000 pF, TA = 25°C; VS = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Turn-off propagation delay",
          "symbol": "toff",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 220,
          "max": 330,
          "conditions": "VBIAS (VCC, VBS) = 15V, VSS = COM, CL = 1000 pF, TA = 25°C; VS = 0V or 600V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Turn-on rise time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 40,
          "max": 60,
          "conditions": "VBIAS (VCC, VBS) = 15V, VSS = COM, CL = 1000 pF, TA = 25°C; VS = 0V",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Turn-off fall time",
          "symbol": "tf",
          "kind": "timing",
          "unit": "ns",
          "min": null,
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          "max": 35,
          "conditions": "VBIAS (VCC, VBS) = 15V, VSS = COM, CL = 1000 pF, TA = 25°C; VS = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Logic '1' input voltage (IR2181/IR21814)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": null,
          "conditions": "VCC = 10V to 20V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Logic '0' input voltage (IR2181/IR21814)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCC = 10V to 20V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High level output voltage, VBIAS - VO",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "IO = 0A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low level output voltage, VO",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "IO = 0A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Offset supply leakage current",
          "symbol": "ILK",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VB = VS = 600V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent VBS supply current",
          "symbol": "IQBS",
          "kind": "electrical",
          "unit": "µA",
          "min": 20,
          "typ": 60,
          "max": 150,
          "conditions": "VIN = 0V or 5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent VCC supply current",
          "symbol": "IQCC",
          "kind": "electrical",
          "unit": "µA",
          "min": 50,
          "typ": 120,
          "max": 240,
          "conditions": "VIN = 0V or 5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Logic '1' input bias current",
          "symbol": "IIN+",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 25,
          "max": 60,
          "conditions": "VIN = 5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Logic '0' input bias current",
          "symbol": "IIN-",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VIN = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC and VBS supply undervoltage positive going threshold",
          "symbol": "VCCUV+, VBSUV+",
          "kind": "electrical",
          "unit": "V",
          "min": 8,
          "typ": 8.9,
          "max": 9.8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC and VBS supply undervoltage negative going threshold",
          "symbol": "VCCUV-, VBSUV-",
          "kind": "electrical",
          "unit": "V",
          "min": 7.4,
          "typ": 8.2,
          "max": 9,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC and VBS supply undervoltage hysteresis",
          "symbol": "VCCUVH, VBSUVH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.3,
          "typ": 0.7,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output high short circuit pulsed current",
          "symbol": "IO+",
          "kind": "electrical",
          "unit": "A",
          "min": 1.4,
          "typ": 1.9,
          "max": null,
          "conditions": "VO = 0V, PW ≤ 10 µs",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output low short circuit pulsed current",
          "symbol": "IO-",
          "kind": "electrical",
          "unit": "A",
          "min": 1.8,
          "typ": 2.3,
          "max": null,
          "conditions": "VO = 15V, PW ≤ 10 µs",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "IR2181STRPBF (Infineon Technologies) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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