TC426EOA

{
  "slug": "tc426eoa",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Gate Drive ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "tc426eoa",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tc426eoa.kicad_sym",
    "tc426eoa.kicad_mod",
    "tc426eoa.glb",
    "tc426eoa.step",
    "tc426eoa.lbr",
    "docs/hero.png",
    "docs/tc426eoa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tc426eoa-hero.glb",
    "tc426eoa-hero.overlay.json",
    "tc426eoa-etched.glb"
  ],
  "component": {
    "mpn": "TC426EOA",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "Gate Drive ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a4329de8766547f844a556dd964c7e1d.pdf",
    "parts": {
      "symbol": "tc426eoa.kicad_sym",
      "footprint": "tc426eoa.kicad_mod",
      "model_3d": "tc426eoa-hero.glb",
      "model_3d_plain": "tc426eoa-etched.glb",
      "model_3d_step": "tc426eoa-etched.step",
      "model_3d_step_plain": "tc426eoa.step",
      "lbr": "tc426eoa.lbr"
    },
    "distributor_links": {
      "lcsc": "C636865",
      "digikey": "TC426EOA-ND",
      "mouser": "579-TC426EOA"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T21:11:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TC426EOA-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "579-TC426EOA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; this pin may be left unconnected."
      },
      {
        "number": "2",
        "name": "IN A",
        "type": "input",
        "description": "Control input A is a TTL/CMOS compatible logic input."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device; individual ground returns for input and output circuits or a ground plane should be used."
      },
      {
        "number": "4",
        "name": "IN B",
        "type": "input",
        "description": "Control input B is a TTL/CMOS compatible logic input."
      },
      {
        "number": "5",
        "name": "OUT B",
        "type": "output",
        "description": "CMOS totem-pole output for driver B, specified as swinging within 25 mV of ground or the positive supply and rated for 1.5 A peak output current."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input, 4.5 V to 18 V (absolute maximum supply is 20 V)."
      },
      {
        "number": "7",
        "name": "OUT A",
        "type": "output",
        "description": "CMOS totem-pole output for driver A, specified as swinging within 25 mV of ground or the positive supply and rated for 1.5 A peak output current."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; this pin may be left unconnected."
      }
    ],
    "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: Pins 1 and 8 are listed as NC (no internal connection) in the datasheet pin table; type set to uncon; The page 1 pin diagram text is garbled in extraction (labels appear out of order), so the pinout was; The datasheet gives input current as '1 A' with the micro symbol missing in the extracted text; the "
        ],
        "pages_sent": 18,
        "cost_usd": 0.0701,
        "at": "2026-10-28T21:11:14"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a4329de8766547f844a556dd964c7e1d.pdf",
        "pages": 18,
        "sha256": "fe9da89053d37c7d",
        "source_tier": "mfr"
      },
      "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": "tc426eoa.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tc426eoa-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d71e7919d447bdcf78ff797b42e7c61a498826a5c14944948802b68e037367b7",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "8-Pin SOIC",
      "source_page": 13,
      "D": {
        "nom_mm": 4.902,
        "range_mm": [
          4.801,
          5.004
        ]
      },
      "E1": {
        "nom_mm": 3.899,
        "range_mm": [
          3.81,
          3.988
        ]
      },
      "E": {
        "nom_mm": 5.994,
        "range_mm": [
          5.791,
          6.198
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.549,
        "range_mm": [
          1.346,
          1.753
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "tc426eoa.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}