IRS21531DSTRPBF

{
  "schema_version": 1,
  "type": "component",
  "slug": "irs21531dstrpbf",
  "title": "IRS21531DSTRPBF",
  "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",
    "irs21531dstrpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "IRS21531DSTRPBF",
    "manufacturer": "Infineon Technologies",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913805544075264",
    "parts": {
      "symbol": "irs21531dstrpbf.kicad_sym",
      "footprint": "irs21531dstrpbf.kicad_mod",
      "model_3d": "irs21531dstrpbf-hero.glb",
      "model_3d_plain": "irs21531dstrpbf-etched.glb",
      "model_3d_step": "irs21531dstrpbf-etched.step",
      "model_3d_step_plain": "irs21531dstrpbf.step",
      "lbr": "irs21531dstrpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C538293",
      "digikey": "IRS21531DSTRPBFTR-ND",
      "mouser": "942-IRS21531DSTRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T18:41:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "IRS21531DSTRPBFTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "942-IRS21531DSTRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Logic and internal gate drive supply voltage, with an internal 15.4 V typ. zener clamp (14.4 V min, 16.8 V max at ICC = 5 mA) and rising UVLO threshold of 11.0 V typ."
      },
      {
        "number": "2",
        "name": "RT",
        "type": "passive",
        "description": "Oscillator timing resistor input, with RT of at least 1 kΩ setting the oscillator frequency together with CT."
      },
      {
        "number": "3",
        "name": "CT",
        "type": "passive",
        "description": "Oscillator timing capacitor input (330 pF minimum recommended), where pulling below VCTSD (2.3 V typ., about 1/6 VCC) shuts down oscillation."
      },
      {
        "number": "4",
        "name": "COM",
        "type": "power_in",
        "description": "IC power and signal ground."
      },
      {
        "number": "5",
        "name": "LO",
        "type": "output",
        "description": "Low-side gate driver output with 180 mA source and 260 mA sink typical current."
      },
      {
        "number": "6",
        "name": "VS",
        "type": "power_in",
        "description": "High voltage floating supply return, with steady state offset of -3.0 V to 600 V."
      },
      {
        "number": "7",
        "name": "HO",
        "type": "output",
        "description": "High-side gate driver output with 180 mA source and 260 mA sink typical current."
      },
      {
        "number": "8",
        "name": "VB",
        "type": "power_in",
        "description": "High side gate driver floating supply, with absolute maximum of 625 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 lead definition table on page 6 lists functions without printed pin numbers. Pin numbers 1-8 wer; The datasheet covers the IRS21531DSTRPbF in the 8-Lead SOIC Tape & Reel order list (page 14), so the; The datasheet does not give a single VCC maximum voltage; it gives the 15.4 V typical (14.4 to 16.8 "
        ],
        "pages_sent": 14,
        "cost_usd": 0.0451,
        "at": "2026-10-20T18:39:32"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913805544075264",
        "pages": 14,
        "sha256": "65e7d40144f14c82",
        "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": "irs21531dstrpbf.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": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "irs21531dstrpbf-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": "6809961806d18011889bebd4f4b294eb70ede38007ee878e55fe52b8e33aeb3f",
        "checked": "2026-10-20",
        "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": "65e7d40144f14c82a8e2bccb4e996d5d447ba9441a090a955d7b3b4bbb74eca6",
      "rows": [
        {
          "name": "High side floating supply voltage",
          "symbol": "VB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 625,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Low side output voltage",
          "symbol": "VLO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "RT pin current",
          "symbol": "IRT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "RT pin voltage",
          "symbol": "VRT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "CT pin voltage",
          "symbol": "VCT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ICC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Note 1",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum allowable current at LO and HO due to external power transistor Miller effect",
          "symbol": "IOMAX",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -500,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Allowable offset voltage slew rate",
          "symbol": "dVS/dt",
          "kind": "absolute_maximum",
          "unit": "V/ns",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum power dissipation, 8-Pin SOIC",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.625,
          "conditions": "TA ≤ +25 ºC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient, 8-Pin SOIC",
          "symbol": "RthJA",
          "kind": "thermal",
          "unit": "ºC/W",
          "min": null,
          "typ": null,
          "max": 128,
          "conditions": "8-Pin SOIC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "ºC",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "ºC",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature (soldering)",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "ºC",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "10 seconds",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Steady state side floating supply offset voltage",
          "symbol": "VS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -3,
          "typ": null,
          "max": 600,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ICC",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "ºC",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Timing resistor value",
          "symbol": "RT",
          "kind": "recommended_operating",
          "unit": "kΩ",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CT pin capacitor value",
          "symbol": "CT",
          "kind": "recommended_operating",
          "unit": "pF",
          "min": 330,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Rising VCC undervoltage lockout threshold",
          "symbol": "VCCUV+",
          "kind": "electrical",
          "unit": "V",
          "min": 10,
          "typ": 11,
          "max": 12,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Falling VCC undervoltage lockout threshold",
          "symbol": "VCCUV-",
          "kind": "electrical",
          "unit": "V",
          "min": 8,
          "typ": 9,
          "max": 10,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC undervoltage lockout hysteresis",
          "symbol": "VCCUVHYS",
          "kind": "electrical",
          "unit": "V",
          "min": 1.6,
          "typ": 2,
          "max": 2.4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Micropower startup VCC supply current",
          "symbol": "IQCCUV",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 130,
          "max": 170,
          "conditions": "VCC ≤ VCCUV-",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent VCC supply current",
          "symbol": "IQCC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 800,
          "max": 1000,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC zener clamp voltage",
          "symbol": "VCC CLAMP",
          "kind": "electrical",
          "unit": "V",
          "min": 14.4,
          "typ": 15.4,
          "max": 16.8,
          "conditions": "ICC = 5 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent VBS supply current",
          "symbol": "IQBS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 60,
          "max": 80,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VBS supply undervoltage positive going threshold",
          "symbol": "VBSUV+",
          "kind": "electrical",
          "unit": "V",
          "min": 8,
          "typ": 9,
          "max": 9.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VBS supply undervoltage negative going threshold",
          "symbol": "VBSUV-",
          "kind": "electrical",
          "unit": "V",
          "min": 7,
          "typ": 8,
          "max": 9,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Offset supply leakage current",
          "symbol": "ILK",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VB = VS = 600 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 18.4,
          "typ": 19,
          "max": 19.6,
          "conditions": "RT = 36.5 kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 88,
          "typ": 93,
          "max": 100,
          "conditions": "RT = 7.15 kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CT pin current",
          "symbol": "ICT",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.02,
          "max": 1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "UV-mode CT pin pulldown current",
          "symbol": "ICTUV",
          "kind": "electrical",
          "unit": "mA",
          "min": 0.2,
          "typ": 0.3,
          "max": 0.6,
          "conditions": "VCC = 7 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CT voltage shutdown threshold",
          "symbol": "VCTSD",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": 2.3,
          "max": 2.4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-level RT output voltage, VCC - VRT",
          "symbol": "VRT+",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 50,
          "conditions": "IRT = -100 µA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-level RT output voltage, VCC - VRT",
          "symbol": "VRT+",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": 300,
          "conditions": "IRT = -1 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level RT output voltage",
          "symbol": "VRT-",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 50,
          "conditions": "IRT = 100 µA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level RT output voltage",
          "symbol": "VRT-",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": 300,
          "conditions": "IRT = 1 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "UV-mode RT output voltage",
          "symbol": "VRTUV",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 0,
          "max": 100,
          "conditions": "VCC ≤ VCCUV-",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SD-mode RT output voltage, VCC - VRT",
          "symbol": "VRTSD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 50,
          "conditions": "IRT = -100 µA, VCT = 0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SD-mode RT output voltage, VCC - VRT",
          "symbol": "VRTSD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": 300,
          "conditions": "IRT = -1 mA, VCT = 0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output rise time",
          "symbol": "tr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 120,
          "max": 220,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output fall time",
          "symbol": "tf",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 50,
          "max": 80,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output deadtime (HO or LO) (IRS21531D)",
          "symbol": "td",
          "kind": "electrical",
          "unit": "µs",
          "min": 0.35,
          "typ": 0.6,
          "max": 0.85,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VB source current when FET is on",
          "symbol": "IB_CAP",
          "kind": "electrical",
          "unit": "mA",
          "min": 40,
          "typ": 55,
          "max": null,
          "conditions": "CBS=0.1 uF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VB source current when FET is on",
          "symbol": "IB_10V",
          "kind": "electrical",
          "unit": "mA",
          "min": 10,
          "typ": 12,
          "max": null,
          "conditions": "VB=10 V",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "irs21531dstrpbf"
  ],
  "discovery_pitch": "IRS21531DSTRPBF (Infineon Technologies) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "irs21531dstrpbf.kicad_sym",
    "irs21531dstrpbf.kicad_mod",
    "irs21531dstrpbf.glb",
    "irs21531dstrpbf.step",
    "irs21531dstrpbf.lbr",
    "docs/hero.png",
    "docs/irs21531dstrpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "irs21531dstrpbf-hero.glb",
    "irs21531dstrpbf-hero.overlay.json",
    "irs21531dstrpbf-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}