TJA1041AT

{
  "slug": "tja1041at",
  "version": "0.1.0",
  "type": "component",
  "description": "NXP Semicon CAN ICs, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "tja1041at",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tja1041at.kicad_sym",
    "tja1041at.kicad_mod",
    "tja1041at.glb",
    "tja1041at.step",
    "tja1041at.lbr",
    "docs/hero.png",
    "docs/tja1041at-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tja1041at-hero.glb",
    "tja1041at-hero.overlay.json",
    "tja1041at-etched.glb"
  ],
  "component": {
    "mpn": "TJA1041AT",
    "manufacturer": "NXP Semicon",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Interface ICs",
    "subcategory": "CAN ICs",
    "datasheet": "https://www.nxp.com/docs/en/data-sheet/TJA1041A.pdf",
    "parts": {
      "symbol": "tja1041at.kicad_sym",
      "footprint": "tja1041at.kicad_mod",
      "model_3d": "tja1041at-hero.glb",
      "model_3d_plain": "tja1041at-etched.glb",
      "model_3d_step": "tja1041at-etched.step",
      "model_3d_step_plain": "tja1041at.step",
      "lbr": "tja1041at.lbr"
    },
    "distributor_links": {
      "lcsc": "C159742",
      "mouser": "771-TJA1041AT"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T19:18:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "771-TJA1041AT",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TXD",
        "type": "input",
        "description": "Transmit data input that drives the CAN bus transmitter; the datasheet gives no further limits for this pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection for the transceiver."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Transceiver supply voltage input; the datasheet gives no voltage limits in this section."
      },
      {
        "number": "4",
        "name": "RXD",
        "type": "output",
        "description": "Receive data output that reads out data from the bus lines."
      },
      {
        "number": "5",
        "name": "VI/O",
        "type": "power_in",
        "description": "I/O-level adapter voltage input that sets the logic I/O levels to match the host controller supply, per the automatic I/O-level adaptation feature."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Enable control input that, together with STB, selects the operating mode."
      },
      {
        "number": "7",
        "name": "INH",
        "type": "output",
        "description": "Inhibit output for switching external voltage regulators; it is set floating in Sleep mode."
      },
      {
        "number": "8",
        "name": "ERR",
        "type": "output",
        "description": "Error and power-on indication output, active LOW."
      },
      {
        "number": "9",
        "name": "WAKE",
        "type": "input",
        "description": "Local wake-up input."
      },
      {
        "number": "10",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery voltage input."
      },
      {
        "number": "11",
        "name": "SPLIT",
        "type": "output",
        "description": "Common-mode stabilization output."
      },
      {
        "number": "12",
        "name": "CANL",
        "type": "bidirectional",
        "description": "LOW-level CAN bus line."
      },
      {
        "number": "13",
        "name": "CANH",
        "type": "bidirectional",
        "description": "HIGH-level CAN bus line."
      },
      {
        "number": "14",
        "name": "STB",
        "type": "input",
        "description": "Standby control input, active LOW; it selects the operating mode together with EN."
      }
    ],
    "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: Pinout taken from Table 3 (Pin description) and Fig 2 (Pin configuration) on PAGE 4. The SO14 packag; Pin types are not stated in the datasheet and were assigned by me using KiCad ERC classes: VI/O, VCC; The datasheet's pin descriptions are short (one phrase each) and give no electrical limits per pin. "
        ],
        "pages_sent": 6,
        "cost_usd": 0.0391,
        "at": "2026-10-30T19:17:58"
      },
      "datasheet": {
        "url": "https://www.nxp.com/docs/en/data-sheet/TJA1041A.pdf",
        "pages": 25,
        "sha256": "a05cab8d4394678b",
        "source_tier": "mfr"
      },
      "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": "tja1041at.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": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tja1041at-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": "7e0d441d059f04d707d4c2a71acaccbe2c5b3a7f7b1de6a8ac0cd6373a634dd6",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOT108-1 (SO14)",
      "source_page": 19,
      "D": {
        "nom_mm": 8.65,
        "range_mm": [
          8.55,
          8.75
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.8,
          4.0
        ]
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": [
          5.8,
          6.2
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.75,
        "range_mm": [
          null,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "tja1041at.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}