SN65LBC031QDR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn65lbc031qdr",
  "title": "SN65LBC031QDR",
  "brief": "Texas Instruments CAN Transceivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "sn65lbc031qdr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SN65LBC031QDR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "CAN Transceivers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn65lbc031q.pdf",
    "parts": {
      "symbol": "sn65lbc031qdr.kicad_sym",
      "footprint": "sn65lbc031qdr.kicad_mod",
      "model_3d": "sn65lbc031qdr-hero.glb",
      "model_3d_plain": "sn65lbc031qdr.glb",
      "model_3d_step": "sn65lbc031qdr-etched.step",
      "model_3d_step_plain": "sn65lbc031qdr.step",
      "lbr": "sn65lbc031qdr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2671101",
      "digikey": "296-9701-2-ND",
      "mouser": "595-SN65LBC031QDR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T15:59:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-9701-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN65LBC031QDR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TX",
        "type": "input",
        "description": "Transmitter input with an internal pullup that ensures a defined output during power-up and protocol controller reset; VIH is 2 V to VCC and VIL is 0 to 0.8 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal; all voltages except the differential bus voltage are measured with respect to GND."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Logic supply voltage, recommended 4.5 V to 5.5 V (5 V nominal), with absolute maximum rating of 7 V."
      },
      {
        "number": "4",
        "name": "RX",
        "type": "output",
        "description": "Receiver output; VOH is at least VCC - 0.5 V at IOH = -400 µA and VOL is at most 0.5 V at IOL = 1 mA."
      },
      {
        "number": "5",
        "name": "REF",
        "type": "power_out",
        "description": "Reference source output at 0.45 VCC to 0.55 VCC for ±20 µA load, with output resistance of 5 to 10 kΩ."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "Low-side CAN bus output driver; bus terminal voltage is limited to -2 V to 7 V recommended (-5 V to 20 V absolute maximum) and the output is short-circuit protected to battery and ground."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "High-side CAN bus output driver; bus terminal voltage is limited to -2 V to 7 V recommended (-5 V to 20 V absolute maximum) and the output is short-circuit protected to battery and ground."
      },
      {
        "number": "8",
        "name": "ASC",
        "type": "input",
        "description": "Adjustable slope control input; leave open or tie to GND for 500 kBaud operation, or tie to VCC to slow bus transitions for 125 kBaud operation, with VI limited to the stated TX/ASC input voltage range."
      }
    ],
    "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: Pin numbers were assigned from the text layout of the D-package top-view figure (pins 1–4 across the; The datasheet names CANL and CANH as bus output drivers without giving a KiCad direction. They are t; The datasheet describes ASC as an input but gives no absolute voltage limit specific to it. The desc"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0818,
        "at": "2026-10-08T15:59:33"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn65lbc031q.pdf",
        "pages": 19,
        "sha256": "9c627ef1bbbd44ff",
        "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": "sn65lbc031qdr.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn65lbc031qdr-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": "3dee2fa68674e56bf447707f3349485458f61fadd8d4fc0bc3121bbfbefff3a4",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Interface",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn65lbc031qdr"
  ],
  "discovery_pitch": "SN65LBC031QDR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn65lbc031qdr.kicad_sym",
    "sn65lbc031qdr.kicad_mod",
    "sn65lbc031qdr.glb",
    "sn65lbc031qdr.step",
    "sn65lbc031qdr.lbr",
    "docs/hero.png",
    "docs/sn65lbc031qdr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn65lbc031qdr-hero.glb",
    "sn65lbc031qdr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}