SM74104SDX

{
  "schema_version": 1,
  "type": "component",
  "slug": "sm74104sdx",
  "title": "SM74104SDX",
  "brief": "Texas Instruments Gate Drivers, WSON-10-EP(4x4). 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",
    "sm74104sdx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SM74104SDX",
    "manufacturer": "Texas Instruments",
    "package": "WSON-10-EP(4x4)",
    "pin_count": 11,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sm74104",
    "parts": {
      "symbol": "sm74104sdx.kicad_sym",
      "footprint": "sm74104sdx.kicad_mod",
      "model_3d": "sm74104sdx-hero.glb",
      "model_3d_plain": "sm74104sdx.glb",
      "model_3d_step": "sm74104sdx-etched.step",
      "model_3d_step_plain": "sm74104sdx.step",
      "lbr": "sm74104sdx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2677238"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T04:41:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage input, with recommended operating range 9 V to 14 V and absolute maximum VDD to VSS of 18 V."
      },
      {
        "number": "2",
        "name": "HB",
        "type": "power_in",
        "description": "Positive connection for the high-side bootstrap capacitor, which must be held between VHS + 8 V and VHS + 14 V, with VHB to VSS absolute maximum of 118 V and ESD rating of ±500 V HBM on this pin."
      },
      {
        "number": "3",
        "name": "HO",
        "type": "output",
        "description": "High-side gate driver output to drive the top MOSFET, with peak pullup current of 1.6 A and peak pulldown current of 1.8 A."
      },
      {
        "number": "4",
        "name": "HS",
        "type": "passive",
        "description": "Switch node pin, which is the floating return of the high-side driver, rated from -1 V to 100 V with HS slew rate up to 50 V/ns."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin on the WSON-10 package."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin on the WSON-10 package."
      },
      {
        "number": "7",
        "name": "RT",
        "type": "passive",
        "description": "Delay timer pin, biased at about 3 V and current limited to 1 mA, with a resistor between 5 kΩ and 100 kΩ connected to VSS to set the dead-time between 90 ns and 200 ns."
      },
      {
        "number": "8",
        "name": "IN",
        "type": "input",
        "description": "PWM control input for the LO and HO outputs, with VIL of 0.8 V to 1.8 V, VIH of 1.8 V to 2.2 V, and internal pulldown resistance of 100 kΩ to 500 kΩ."
      },
      {
        "number": "9",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin, which serves as the reference for VDD, the timer and the gate drivers."
      },
      {
        "number": "10",
        "name": "LO",
        "type": "output",
        "description": "Low-side gate driver output to drive the bottom MOSFET, with peak pullup current of 1.6 A and peak pulldown current of 1.8 A."
      },
      {
        "number": "11",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 exposed die attach pad on the WSON-10 package has no printed pin number in the datasheet, so it ; The datasheet labels HB, HS, and RT as 'I' (input) in its pin table. I mapped HB and VSS to power_in; The datasheet gives VIL and VIH as two values each without explicit MIN/TYP/MAX columns filled. The ",
          "exposed pad 11 added from the footprint"
        ],
        "pages_sent": 31,
        "cost_usd": 0.0955,
        "at": "2026-10-12T04:41:27"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sm74104",
        "pages": 31,
        "sha256": "47365d07b7ec4d53",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sm74104sdx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          3.95,
          0.8
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ef3c2f392fea7049285bfc942095cbd03d5bb47d74597dd80d1bc887363be656",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sm74104sdx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          3.95,
          0.8
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9015d15f7d88b9a96c88809d45929c1e8197a6a6c182c47b1941005329cac63c",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WSON-10-EP(4x4)",
      "Category": "Motor Driver ICs",
      "Pins": "11"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sm74104sdx"
  ],
  "discovery_pitch": "SM74104SDX (Texas Instruments) 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",
    "sm74104sdx.kicad_sym",
    "sm74104sdx.kicad_mod",
    "sm74104sdx.glb",
    "sm74104sdx.step",
    "sm74104sdx.lbr",
    "docs/hero.png",
    "docs/sm74104sdx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sm74104sdx-hero.glb",
    "sm74104sdx-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}