TJA1050M

{
  "slug": "tja1050m",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI CAN Transceivers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "tja1050m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tja1050m.kicad_sym",
    "tja1050m.kicad_mod",
    "tja1050m.glb",
    "tja1050m.step",
    "tja1050m.lbr",
    "docs/hero.png",
    "docs/tja1050m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tja1050m-hero.glb",
    "tja1050m-hero.overlay.json"
  ],
  "component": {
    "mpn": "TJA1050M",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "CAN Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904578265604096",
    "parts": {
      "symbol": "tja1050m.kicad_sym",
      "footprint": "tja1050m.kicad_mod",
      "model_3d": "tja1050m-hero.glb",
      "model_3d_plain": "tja1050m.glb",
      "model_3d_step": "tja1050m-etched.step",
      "model_3d_step_plain": "tja1050m.step",
      "lbr": "tja1050m.lbr"
    },
    "distributor_links": {
      "lcsc": "C7432164"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T19:40:56Z",
      "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: a low level drives the bus dominant, the pin has an internal pull-up to VCC so it stays recessive when unused, and the transmitter is disabled if TXD is held low longer than the dominant timeout tdom (300-1000 µs)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the transceiver."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, specified at 4.75-5.25 V for operation, with an absolute maximum of −0.3 to 6 V (no time limit)."
      },
      {
        "number": "4",
        "name": "RXD",
        "type": "output",
        "description": "Receive data output that reads the bus differential state; in normal mode it is driven high when the bus is recessive, with VOH of VCC−0.4 V at −0.4 mA typical, and it is floating when VCC is lost."
      },
      {
        "number": "5",
        "name": "SPLIT",
        "type": "power_out",
        "description": "Common-mode voltage regulator output that holds 0.5 VCC (0.3-0.7 VCC for ±500 µA) in normal mode, is floating in standby mode, and is intended to be connected to the centre tap of a split termination; absolute voltage limit −27 to 40 V."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "Low-level CAN bus line: dominant output 0.5-1.75 V (typ. 1.4 V) with TXD low, short-circuit current 40-100 mA, and the bus pin is rated −27 to 40 V DC."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "High-level CAN bus line: dominant output 3-4.25 V (typ. 3.6 V) with TXD low, short-circuit current −40 to −95 mA, and the bus pin is rated −27 to 40 V DC."
      },
      {
        "number": "8",
        "name": "STB",
        "type": "input",
        "description": "Standby mode control input: low selects normal mode and high selects standby; the pin has an internal pull-up to VCC, with VIH of 2 V to VCC+0.3 V and VIL of −0.3 to 0.8 V."
      }
    ],
    "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 pin table on page 2 gives pin numbers and functions, but the pin-diagram graphic is not in the e; SPLIT is typed power_out because it is a 0.5 VCC regulated output; the datasheet does not give a KiC; RXD and STB types (output and input) and the CANH/CANL bidirectional type are inferred from the func"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0467,
        "at": "2026-10-09T19:39:18"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904578265604096",
        "pages": 11,
        "sha256": "1d8e526be674db9d",
        "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": "tja1050m.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": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tja1050m-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": "63e71f9e14128edd089d222eb8f87bce0cd645a1384041f6f70d57aa2e218229",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}