PCA82C251M

{
  "slug": "pca82c251m",
  "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",
    "pca82c251m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pca82c251m.kicad_sym",
    "pca82c251m.kicad_mod",
    "pca82c251m.glb",
    "pca82c251m.step",
    "pca82c251m.lbr",
    "docs/hero.png",
    "docs/pca82c251m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pca82c251m-hero.glb",
    "pca82c251m-hero.overlay.json",
    "pca82c251m-etched.glb"
  ],
  "component": {
    "mpn": "PCA82C251M",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "CAN Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603083991272464384",
    "parts": {
      "symbol": "pca82c251m.kicad_sym",
      "footprint": "pca82c251m.kicad_mod",
      "model_3d": "pca82c251m-hero.glb",
      "model_3d_plain": "pca82c251m-etched.glb",
      "model_3d_step": "pca82c251m-etched.step",
      "model_3d_step_plain": "pca82c251m.step",
      "lbr": "pca82c251m.lbr"
    },
    "distributor_links": {
      "lcsc": "C7432060"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T22:41:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TXD",
        "type": "input",
        "description": "Transmit data input that drives the bus dominant when LOW and recessive when HIGH, with an internal pull-up to VCC, VIH of 2 V to VCC+0.3 V and VIL of -0.3 V to 0.8 V, and a dominant timeout (tdom 300 µs to 1000 µs) that disables the transceiver if TXD is held LOW too long."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the transceiver; all voltages are referenced to this pin."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin, with a recommended operating range of 4.75 V to 5.25 V and an absolute maximum rating of -0.3 V to 6 V (no time limit)."
      },
      {
        "number": "4",
        "name": "RXD",
        "type": "output",
        "description": "Receive data output that reflects the bus state (HIGH when recessive, LOW when dominant), with VOH of at least VCC-0.4 V at -0.4 mA in normal mode and a maximum DC voltage of VCC+0.3 V, and which becomes floating when VCC is lost."
      },
      {
        "number": "5",
        "name": "SPLIT",
        "type": "power_out",
        "description": "Common-mode voltage regulator output that is active only in normal mode, sets the recessive bus common mode to 0.5 VCC (range 0.3 VCC to 0.7 VCC for -500 µA < IO < 500 µA), and is left floating in standby mode; its DC voltage must stay within -27 V to 40 V."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "Low-level CAN bus line that carries the differential signal with a dominant output voltage of 0.5 V to 1.75 V (typ. 1.4 V) when TXD is LOW, and whose bus pin is protected to -27 V to 40 V DC."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "High-level CAN bus line that carries the differential signal with a dominant output voltage of 3 V to 4.25 V (typ. 3.6 V) when TXD is LOW, and whose bus pin is protected to -27 V to 40 V DC."
      },
      {
        "number": "8",
        "name": "STB",
        "type": "input",
        "description": "Standby mode control input where LOW selects normal mode and HIGH selects standby mode, with an internal pull-up to VCC, VIH of 2 V to VCC+0.3 V and VIL of -0.3 V 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 (page 2) gives pin numbers, symbols and functions for the 8-pin package. The electrica; The ordering table (page 1) lists PCA82C251M/TR in the SOP-8 package, which matches the MPN and pack; The datasheet is in Chinese and the pin descriptions are translated into English. The KiCad pin type"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0396,
        "at": "2026-10-17T22:39:17"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603083991272464384",
        "pages": 11,
        "sha256": "1792ded38b2966cc",
        "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": [
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        "file": "pca82c251m.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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pca82c251m-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "fd71c0c98dd28e4a5abb99525f37f946bc95004231eb17200136b66e899312ef",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}