ISO1050 Isolated CAN Transceiver

{
  "schema_version": 1,
  "type": "component",
  "slug": "iso1050",
  "title": "ISO1050 Isolated CAN Transceiver",
  "brief": "Galvanically isolated high-speed CAN transceiver with a built-in isolation barrier.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "can",
    "transceiver",
    "isolated",
    "galvanic-isolation",
    "interface",
    "ti",
    "soic-8"
  ],
  "component": {
    "mpn": "ISO1050",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "CAN Transceiver",
    "datasheet": "https://www.ti.com/lit/ds/symlink/iso1050.pdf",
    "parts": {
      "symbol": "iso1050.kicad_sym",
      "footprint": "iso1050.kicad_mod",
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      "model_3d_plain": "iso1050.glb",
      "model_3d_step": "iso1050-etched.step",
      "model_3d_step_plain": "iso1050.step",
      "lbr": "iso1050.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VCC1",
        "type": "power_in",
        "description": "Digital-side supply voltage (3 V to 5.5 V). Powers the logic-side interface (RXD/TXD)."
      },
      {
        "number": "2",
        "name": "RXD",
        "type": "output",
        "description": "CAN receive data output: LOW for dominant bus state, HIGH for recessive bus state. Referenced to VCC1/GND1."
      },
      {
        "number": "3",
        "name": "TXD",
        "type": "input",
        "description": "CAN transmit data input: LOW drives a dominant bus state, HIGH allows recessive. Contains an internal pull-up; the driver has a dominant time-out (TXD)."
      },
      {
        "number": "4",
        "name": "GND1",
        "type": "power_in",
        "description": "Digital-side ground connection. Reference for VCC1 and the logic-side signals."
      },
      {
        "number": "5",
        "name": "GND2",
        "type": "power_in",
        "description": "Transceiver-side (bus-side) ground connection. Isolated from GND1 by the silicon-dioxide barrier."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "Low-level CAN bus line. Driven low in dominant state, high-Z (biased near VCC2/2) in recessive. Common-mode range -12 V to 12 V, protected to -27 V to 40 V."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "High-level CAN bus line. Driven high in dominant state, high-Z (biased near VCC2/2) in recessive. Common-mode range -12 V to 12 V, protected to -27 V to 40 V."
      },
      {
        "number": "8",
        "name": "VCC2",
        "type": "power_in",
        "description": "Transceiver-side supply voltage (5 V nominal, 4.5 V to 5.5 V). Powers the CAN bus driver/receiver."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/iso1050.pdf",
        "pages": 42,
        "sha256": "e91f89be4f979392",
        "source_tier": "mfr"
      },
      "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": "iso1050.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": "iso1050-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": "38da44ad3c78915b48860e720b9f2c481e6667643a353350a70251b4541b786f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Isolated high-speed CAN transceiver",
      "Isolation": "Galvanic (SiO2 barrier), 2500 Vrms",
      "Data rate": "Up to 1 Mbps",
      "Supply voltage": "3.3 V or 5 V (both sides)",
      "Bus pins": "CANH / CANL",
      "Standards": "ISO 11898-2",
      "Operating temperature": "-55 C to 105 C"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "isolated CAN",
    "galvanic isolation",
    "CAN bus protection",
    "ground-loop isolation"
  ],
  "discovery_pitch": "A CAN transceiver with a built-in isolation barrier, protecting the controller side from bus faults and ground loops.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "docs/hero.png",
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  "variants": [
    {
      "mpn": "ISO1050DW",
      "kind": "unknown"
    },
    {
      "mpn": "ISO1050DWR",
      "kind": "unknown"
    },
    {
      "mpn": "ISO1050DUB",
      "kind": "unknown"
    },
    {
      "mpn": "ISO1050DUBR",
      "kind": "unknown"
    }
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}