TJA1050TM

{
  "schema_version": 1,
  "type": "component",
  "slug": "tja1050tm",
  "title": "TJA1050TM",
  "brief": "HGSEMI CAN Transceivers, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "tja1050tm"
  ],
  "component": {
    "mpn": "TJA1050TM",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "CAN Transceivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/00e81c367ea364989b4175a44699f39e.pdf",
    "parts": {
      "symbol": "tja1050tm.kicad_sym",
      "footprint": "tja1050tm.kicad_mod",
      "model_3d": "tja1050tm-etched.glb",
      "model_3d_plain": "tja1050tm.glb",
      "model_3d_step": "tja1050tm-etched.step",
      "model_3d_step_plain": "tja1050tm.step",
      "lbr": "tja1050tm.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "TXD",
        "type": "input",
        "description": "Transmit data input from the CAN controller. TXD high drives the bus to recessive; TXD low drives the bus to dominant. Input thresholds referenced to VCC=5V (VIH ≥ 2.0V, VIL ≤ 0.8V). A permanent low is protected by the dominant time-out (typ 500 µs)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / reference return for the device."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input, 4.5 V to 5.5 V (nominal 5 V, absolute max +6 V). Supply current 15-40 mA dominant, 2-5 mA recessive."
      },
      {
        "number": "4",
        "name": "RXD",
        "type": "output",
        "description": "Receiver data output to the CAN controller. RXD is high when the bus is recessive and low when the bus is dominant. Output drive: IOH ≈ -6 mA at VRXD=0.7·VCC, IOL ≈ 8.5 mA at VRXD=0.45 V."
      },
      {
        "number": "5",
        "name": "Vref",
        "type": "output",
        "description": "Reference voltage output, nominally VCC/2 (0.45·VCC to 0.55·VCC at |Iref| < 50 µA). Can be connected to the common-mode point of the termination network to stabilize bus common-mode voltage; may be left floating if unused."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "Low-level CAN bus line. Tolerates -58 V to +58 V DC and ±200 V transients; ±12 kV HBM ESD. Recessive ≈ 2.5 V, dominant ≈ 1.4 V. Short-circuit current limited to ~70 mA typ."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "High-level CAN bus line. Tolerates -58 V to +58 V DC and ±200 V transients; ±12 kV HBM ESD. Recessive ≈ 2.5 V, dominant ≈ 3.4 V. Short-circuit current limited to ~-70 mA typ."
      },
      {
        "number": "8",
        "name": "S",
        "type": "input",
        "description": "Mode select input. Low = high-speed (normal) mode with driver and receiver active; High = silent (listen-only) mode with the CAN driver disabled while RXD continues to report bus data. Internal pull-down (typ 30 µA)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/00e81c367ea364989b4175a44699f39e.pdf",
        "pages": 15,
        "sha256": "3afe7f3736c188dd",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "tja1050tm.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tja1050tm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b42fe7e751f7e21f29ecb43cfc757c9e79cd3ca2b34558715e59c0ca5b4b0f29",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "SOP-8",
      "Category": "Interface",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tja1050tm"
  ],
  "discovery_pitch": "TJA1050TM (HGSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tja1050tm.kicad_sym",
    "tja1050tm.kicad_mod",
    "tja1050tm.glb",
    "tja1050tm.step",
    "tja1050tm-etched.step",
    "tja1050tm.lbr",
    "docs/hero.png",
    "docs/tja1050tm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "TJA1050TM/TR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T09:42:17.202Z"
}