ISO5451QDWRQ1

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  "slug": "iso5451qdwrq1",
  "title": "ISO5451QDWRQ1",
  "brief": "Texas Instruments Isolators - Gate Drivers, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "ISO5451QDWRQ1",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "Isolators - Gate Drivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/iso5451-q1",
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      "lbr": "iso5451qdwrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C553115",
      "digikey": "296-44891-2-ND",
      "mouser": "595-ISO5451QDWRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T21:36:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-44891-2-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "595-ISO5451QDWRQ1",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "VEE2",
        "type": "power_in",
        "description": "Output negative supply; connect to GND2 for unipolar supply application, and VEE2 is specified at -15 V to 0 V with respect to GND2."
      },
      {
        "number": "2",
        "name": "DESAT",
        "type": "input",
        "description": "Desaturation voltage input for IGBT collector-emitter overvoltage detection, rated from GND2 - 0.3 V to VCC2 + 0.3 V."
      },
      {
        "number": "3",
        "name": "GND2",
        "type": "power_in",
        "description": "Gate drive common; connect to the IGBT emitter."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "5",
        "name": "VCC2",
        "type": "power_in",
        "description": "Most positive output supply potential, specified at 15 V to 30 V with respect to GND2."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Gate drive voltage output to the IGBT gate, clamped to VEE2 when the output supply is absent by the active output pull-down."
      },
      {
        "number": "7",
        "name": "CLAMP",
        "type": "output",
        "description": "Active Miller clamp output for unipolar supply operation, designed to sink Miller current up to 2 A when the gate voltage is below 2 V."
      },
      {
        "number": "8",
        "name": "VEE2",
        "type": "power_in",
        "description": "Output negative supply; connect to GND2 for unipolar supply application, and VEE2 is specified at -15 V to 0 V with respect to GND2."
      },
      {
        "number": "9",
        "name": "GND1",
        "type": "power_in",
        "description": "Input ground."
      },
      {
        "number": "10",
        "name": "IN+",
        "type": "input",
        "description": "Non-inverting gate drive voltage control input, CMOS-compatible with VIH of 0.7 x VCC1 minimum and VIL of 0.3 x VCC1 maximum."
      },
      {
        "number": "11",
        "name": "IN-",
        "type": "input",
        "description": "Inverting gate drive voltage control input, CMOS-compatible with VIH of 0.7 x VCC1 minimum and VIL of 0.3 x VCC1 maximum."
      },
      {
        "number": "12",
        "name": "RDY",
        "type": "output",
        "description": "Power-good output, driven high when both input and output supplies are good and low when either side has insufficient supply."
      },
      {
        "number": "13",
        "name": "FLT",
        "type": "output",
        "description": "Fault output, low-active during a DESAT condition and latched until reset via RST."
      },
      {
        "number": "14",
        "name": "RST",
        "type": "input",
        "description": "Reset input; a low pulse of at least 800 ns clears the fault latch."
      },
      {
        "number": "15",
        "name": "VCC1",
        "type": "power_in",
        "description": "Positive input supply, specified at 3 V to 5.5 V."
      },
      {
        "number": "16",
        "name": "GND1",
        "type": "power_in",
        "description": "Input ground."
      }
    ],
    "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 pin table groups pins 1 and 8 together as VEE2 with a single description; the same des; The datasheet pin table groups pins 9 and 16 together as GND1 with a single description; the same de; The pin table names pin 11 'IN-' while the block diagram and figure label show 'IN±'; the table name"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0653,
        "at": "2026-10-08T21:36:03"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/iso5451-q1",
        "pages": 38,
        "sha256": "9efccfdedc93903f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "sha256": "9572d6bc62f7c7669defd77681a8687f880493431963cec941946660f01fa1c1",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16-300mil",
      "Category": "Power Management (PMIC)",
      "Pins": "16"
    }
  },
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  "discovery_pitch": "ISO5451QDWRQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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