TJA1442AT

{
  "slug": "tja1442at",
  "version": "0.1.0",
  "type": "component",
  "description": "NXP Semicon CAN ICs, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "tja1442at",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tja1442at.kicad_sym",
    "tja1442at.kicad_mod",
    "tja1442at.glb",
    "tja1442at.step",
    "tja1442at.lbr",
    "docs/hero.png",
    "docs/tja1442at-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tja1442at-hero.glb",
    "tja1442at-hero.overlay.json",
    "tja1442at-etched.glb"
  ],
  "component": {
    "mpn": "TJA1442AT",
    "manufacturer": "NXP Semicon",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "CAN ICs",
    "datasheet": "https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6624/TJA1442.pdf",
    "parts": {
      "symbol": "tja1442at.kicad_sym",
      "footprint": "tja1442at.kicad_mod",
      "model_3d": "tja1442at-hero.glb",
      "model_3d_plain": "tja1442at-etched.glb",
      "model_3d_step": "tja1442at-etched.step",
      "model_3d_step_plain": "tja1442at.step",
      "lbr": "tja1442at.lbr"
    },
    "distributor_links": {
      "lcsc": "C3234086"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:10:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TXD",
        "type": "input",
        "description": "Transmit data input; inputs data from the CAN controller to be written to the bus lines."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "5 V supply voltage input (4.5 V to 5.5 V)."
      },
      {
        "number": "4",
        "name": "RXD",
        "type": "output",
        "description": "Receive data output; outputs data read from the bus lines to the CAN controller."
      },
      {
        "number": "5",
        "name": "VIO",
        "type": "power_in",
        "description": "Supply voltage input for I/O level adapter in TJA1442A (2.95 V to 5.5 V)."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "LOW-level CAN bus line."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "HIGH-level CAN bus line."
      },
      {
        "number": "8",
        "name": "STB",
        "type": "input",
        "description": "Standby mode control input; active-HIGH."
      }
    ],
    "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": [],
        "pages_sent": 7,
        "cost_usd": 0.0615,
        "at": "2026-10-23T09:10:24"
      },
      "datasheet": {
        "url": "https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6624/TJA1442.pdf",
        "pages": 33,
        "sha256": "174d600be47b04e5",
        "source_tier": "lcsc"
      },
      "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": "tja1442at.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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tja1442at-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": "6617ae93432772cb46db237fe8e6136246e83b433c9d61f03e49a5ff86683cca",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}