TF21844M-TUH

{
  "slug": "tf21844m-tuh",
  "version": "0.1.0",
  "type": "component",
  "description": "TFSS Gate Drivers, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "tf21844m-tuh",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tf21844m-tuh.kicad_sym",
    "tf21844m-tuh.kicad_mod",
    "tf21844m-tuh.glb",
    "tf21844m-tuh.step",
    "tf21844m-tuh.lbr",
    "docs/hero.png",
    "docs/tf21844m-tuh-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tf21844m-tuh-hero.glb",
    "tf21844m-tuh-hero.overlay.json",
    "tf21844m-tuh-etched.glb"
  ],
  "component": {
    "mpn": "TF21844M-TUH",
    "manufacturer": "TFSS",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226947625017344",
    "parts": {
      "symbol": "tf21844m-tuh.kicad_sym",
      "footprint": "tf21844m-tuh.kicad_mod",
      "model_3d": "tf21844m-tuh-hero.glb",
      "model_3d_plain": "tf21844m-tuh-etched.glb",
      "model_3d_step": "tf21844m-tuh-etched.step",
      "model_3d_step_plain": "tf21844m-tuh.step",
      "lbr": "tf21844m-tuh.lbr"
    },
    "distributor_links": {
      "lcsc": "C2981475"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T08:58:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "input",
        "description": "Logic input for high-side and low-side gate driver outputs (HO and LO), in phase with HO, referenced to VSS, with 2.5V minimum VIH and 0.8V maximum VIL."
      },
      {
        "number": "2",
        "name": "SD*",
        "type": "input",
        "description": "Logic input for shutdown, referenced to VSS, enabled low (2.5V positive-going and 0.8V negative-going thresholds)."
      },
      {
        "number": "3",
        "name": "VSS",
        "type": "power_in",
        "description": "Logic ground, with operating range of -5V to +5V relative to COM."
      },
      {
        "number": "4",
        "name": "DT",
        "type": "passive",
        "description": "Programmable deadtime lead referenced to VSS, set by an external resistor RDT (about 400ns at 0 ohm, 5us at 200k ohm)."
      },
      {
        "number": "5",
        "name": "COM",
        "type": "power_in",
        "description": "Low-side return."
      },
      {
        "number": "6",
        "name": "LO",
        "type": "output",
        "description": "Low-side gate drive output, 1.4A source / 1.8A sink capability, swinging from COM to VCC."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Low-side and logic fixed supply, recommended 10V to 20V (absolute maximum 24V)."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "11",
        "name": "VS",
        "type": "power_in",
        "description": "High-side floating supply return, operating up to 600V offset."
      },
      {
        "number": "12",
        "name": "HO",
        "type": "output",
        "description": "High-side gate drive output, 1.4A source / 1.8A sink capability, swinging from VS to VB."
      },
      {
        "number": "13",
        "name": "VB",
        "type": "power_in",
        "description": "High-side floating supply, recommended VS+10V to VS+20V (absolute maximum 624V)."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: MPN suffix -TUH is the tape-and-reel (2500) SOIC-14(N) variant per the ordering table; the pin diagr",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 10,
        "cost_usd": 0.2695,
        "at": "2026-10-19T08:55:33"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226947625017344",
        "pages": 10,
        "sha256": "44670a94be52bbf5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tf21844m-tuh.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tf21844m-tuh-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "039e6c9b427739c05484647549db1b3a8e2f700d3fde82a6d0588dbc0a3cb383",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}