TJA1050T-JSM

{
  "schema_version": 1,
  "type": "component",
  "slug": "tja1050t-jsm",
  "title": "TJA1050T-JSM",
  "brief": "JSMSEMI CAN ICs, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "comm-uart",
    "tja1050t-jsm"
  ],
  "component": {
    "mpn": "TJA1050T-JSM",
    "manufacturer": "JSMSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Comm/UART",
    "subcategory": "CAN ICs",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403071640_JSMSEMI-TJA1050T-JSM_C21714366.pdf",
    "parts": {
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      "footprint": "tja1050t-jsm.kicad_mod",
      "model_3d": "tja1050t-jsm-etched.glb",
      "model_3d_plain": "tja1050t-jsm.glb",
      "model_3d_step": "tja1050t-jsm-etched.step",
      "model_3d_step_plain": "tja1050t-jsm.step",
      "lbr": "tja1050t-jsm.lbr"
    },
    "distributor_links": {
      "lcsc": "C21714366"
    },
    "pins": [
      {
        "number": "1",
        "name": "TXD",
        "type": "input",
        "description": "Transmit data input from the CAN controller. TXD high drives the CAN bus into the recessive state; TXD low drives the bus into the dominant state. VIH ≥ 2.0 V, VIL ≤ 0.8 V at VCC = 5 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input. Recommended VCC = 4.5 V to 5.5 V (typ. 5 V); absolute maximum +6 V. Typical supply current 25 mA dominant, 3 mA recessive."
      },
      {
        "number": "4",
        "name": "RXD",
        "type": "output",
        "description": "Receive data output to the CAN controller. RXD is high when the CAN bus is in the recessive state and low when the bus is in the dominant state. IOH = -6 mA typ. at VRXD = 0.7·VCC; IOL = 8.5 mA typ. at VRXD = 0.45 V."
      },
      {
        "number": "5",
        "name": "Vref",
        "type": "output",
        "description": "Reference voltage output, nominally 0.5·VCC (typ. 2.5 V at VCC = 5 V). Output valid over -50 µA ≤ IVref ≤ +50 µA."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "Low-level CAN bus line. Recessive typ. 2.5 V, dominant typ. 1.4 V. Withstands DC bus voltages from -58 V to +58 V and transients of ±200 V per ISO 7637. Common-mode input impedance 15-35 kΩ."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "High-level CAN bus line. Recessive typ. 2.5 V, dominant typ. 3.4 V. Withstands DC bus voltages from -58 V to +58 V and transients of ±200 V per ISO 7637. Common-mode input impedance 15-35 kΩ."
      },
      {
        "number": "8",
        "name": "S",
        "type": "input",
        "description": "Mode select input: low = high-speed mode, high = silent (standby) mode. VIH ≥ 2.0 V, VIL ≤ 0.8 V at VCC = 5 V; internal pull-down/-up currents 15-50 µA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403071640_JSMSEMI-TJA1050T-JSM_C21714366.pdf",
        "pages": 12,
        "sha256": "8ca877b5cca3811c",
        "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": [
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        "file": "tja1050t-jsm.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": "tja1050t-jsm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8d7bca879a18a2e0df89ca07aaa573d6d511637bb37d67946406163dcfaa0ac8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "JSMSEMI",
      "Package": "SOP-8",
      "Category": "Comm/UART",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tja1050t-jsm"
  ],
  "discovery_pitch": "TJA1050T-JSM (JSMSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tja1050t-jsm.kicad_sym",
    "tja1050t-jsm.kicad_mod",
    "tja1050t-jsm.glb",
    "tja1050t-jsm.step",
    "tja1050t-jsm-etched.step",
    "tja1050t-jsm.lbr",
    "docs/hero.png",
    "docs/tja1050t-jsm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "TJA1050T-JSMT",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T09:42:08.978Z"
}