UCC21750QDWQ1

{
  "slug": "ucc21750qdwq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Gate Drive ICs, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "ucc21750qdwq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ucc21750qdwq1.kicad_sym",
    "ucc21750qdwq1.kicad_mod",
    "ucc21750qdwq1.glb",
    "ucc21750qdwq1.step",
    "ucc21750qdwq1.lbr",
    "docs/hero.png",
    "docs/ucc21750qdwq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ucc21750qdwq1-hero.glb",
    "ucc21750qdwq1-hero.overlay.json",
    "ucc21750qdwq1-etched.glb"
  ],
  "component": {
    "mpn": "UCC21750QDWQ1",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Power Supply Chip",
    "subcategory": "Gate Drive ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ucc21750-q1",
    "parts": {
      "symbol": "ucc21750qdwq1.kicad_sym",
      "footprint": "ucc21750qdwq1.kicad_mod",
      "model_3d": "ucc21750qdwq1-hero.glb",
      "model_3d_plain": "ucc21750qdwq1-etched.glb",
      "model_3d_step": "ucc21750qdwq1-etched.step",
      "model_3d_step_plain": "ucc21750qdwq1.step",
      "lbr": "ucc21750qdwq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2865440"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T23:09:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 669 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AIN",
        "type": "input",
        "description": "Isolated analog sensing input (0.6 V to 4.5 V referenced to COM recommended); parallel a small capacitor to COM for better noise immunity and tie to COM if unused."
      },
      {
        "number": "2",
        "name": "DESAT",
        "type": "input",
        "description": "Desaturation current protection input; tie to COM if unused."
      },
      {
        "number": "3",
        "name": "COM",
        "type": "power_in",
        "description": "Common ground reference on the output side, connected to the emitter pin for an IGBT or the source pin for a SiC MOSFET."
      },
      {
        "number": "4",
        "name": "OUTH",
        "type": "output",
        "description": "Gate driver output pull-up."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply rail for gate drive voltage (13 V to 33 V referenced to COM); bypass with a >10-µF capacitor to COM placed close to the pin."
      },
      {
        "number": "6",
        "name": "OUTL",
        "type": "output",
        "description": "Gate driver output pull-down."
      },
      {
        "number": "7",
        "name": "CLMPI",
        "type": "input",
        "description": "Internal active Miller clamp input, connected directly to the gate of the power transistor; leave floating or tie to VEE if unused."
      },
      {
        "number": "8",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative supply rail for gate drive voltage; bypass with a >10-µF capacitor to COM placed close to the pin."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Input power supply and logic ground reference."
      },
      {
        "number": "10",
        "name": "IN+",
        "type": "input",
        "description": "Non-inverting gate driver control input; tie to VCC if unused."
      },
      {
        "number": "11",
        "name": "IN–",
        "type": "input",
        "description": "Inverting gate driver control input; tie to GND if unused."
      },
      {
        "number": "12",
        "name": "RDY",
        "type": "output",
        "description": "Open-drain power-good output for VCC-GND and VDD-COM that can be paralleled with other RDY signals."
      },
      {
        "number": "13",
        "name": "FLT",
        "type": "output",
        "description": "Active-low open-drain fault alarm output upon over current or short circuit that can be paralleled with other faults."
      },
      {
        "number": "14",
        "name": "RST/EN",
        "type": "input",
        "description": "Enable/shutdown of the output side (low causes regular turn-off) and resets the DESAT fault on FLT when held low for more than 1000 ns, with FLT reset at the rising edge."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Input power supply from 3 V to 5.5 V; bypass with a >1-µF capacitor to GND placed close to the pin."
      },
      {
        "number": "16",
        "name": "APWM",
        "type": "output",
        "description": "Isolated analog sensing PWM output; leave floating if unused."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: UCC21750QDWQ1 (non-tape-and-reel) is listed as Obsolete in the package addendum; it is the DW SOIC-1"
        ],
        "pages_sent": 10,
        "cost_usd": 0.1114,
        "at": "2026-10-22T23:09:20"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucc21750-q1",
        "pages": 57,
        "sha256": "0bce5c031890cf7b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ucc21750qdwq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucc21750qdwq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4da889e313e3b45e5129c3968f15cb50925d54bc330a61b3dce392c140172387",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}