TPIC1021DR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tpic1021dr",
  "title": "TPIC1021DR",
  "brief": "Texas Instruments LIN 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",
    "tpic1021dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPIC1021DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "LIN Transceivers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tpic1021.pdf",
    "parts": {
      "symbol": "tpic1021dr.kicad_sym",
      "footprint": "tpic1021dr.kicad_mod",
      "model_3d": "tpic1021dr-hero.glb",
      "model_3d_plain": "tpic1021dr.glb",
      "model_3d_step": "tpic1021dr-etched.step",
      "model_3d_step_plain": "tpic1021dr.step",
      "lbr": "tpic1021dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C201721",
      "digikey": "296-17542-2-ND",
      "mouser": "595-TPIC1021DR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T07:31:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-17542-2-ND",
        "status": "found",
        "lifecycle": "Not For New Designs"
      },
      "mouser": {
        "pn": "595-TPIC1021DR",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RXD",
        "type": "output",
        "description": "RXD is an open-drain output reporting the LIN bus state (high for recessive, low for dominant) and goes low on a wake-up request, requiring an external pull-up if the MCU pin has none."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable input selecting Normal mode when high and low-power (sleep) mode when low, with an internal pull-down that keeps the device in low-power mode if the pin floats."
      },
      {
        "number": "3",
        "name": "NWake",
        "type": "input",
        "description": "High-voltage wake-up input with DC and transient input voltage of -1 V to 40 V through a 33-kΩ series resistor, where a low longer than tNWAKE causes a local wake-up, and an internal pull-up to VSUP."
      },
      {
        "number": "4",
        "name": "TXD",
        "type": "input",
        "description": "Transmit input controlling the LIN output, where low drives LIN dominant and high drives it recessive; it is compatible with 3.3 V and 5.0 V I/O, has an internal pull-down, and is protected by the dominant state timeout."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground connection; the device operates with a ground shift as long as VSUP does not fall below its minimum operating voltage."
      },
      {
        "number": "6",
        "name": "LIN",
        "type": "bidirectional",
        "description": "Single-wire LIN bus transmitter and receiver that accepts DC voltages from -40 V to 40 V, with an internal 30-kΩ pull-up and series diode to VSUP for responder applications."
      },
      {
        "number": "7",
        "name": "VSUP",
        "type": "power_in",
        "description": "Device supply pin, rated for 7 V to 27 V recommended operation (27 V continuous and 40 V transient absolute maximum), connected to the battery through an external reverse-blocking diode."
      },
      {
        "number": "8",
        "name": "INH",
        "type": "output",
        "description": "Inhibit output that drives an external voltage regulator's inhibit input, with the high-side switch on in Normal mode and off in Low Power mode, and output current limited to 2 mA."
      }
    ],
    "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: Figure 6-1 and Table 6-1 print pin 2 as 'ED', while the Functional Block Diagram, Section 8.3.5 and ; Pin type for RXD (open-drain) is listed as output and for VSUP and GND as power_in, per the KiCad ER"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0545,
        "at": "2026-10-08T07:31:16"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tpic1021.pdf",
        "pages": 25,
        "sha256": "9ce91d0367264a72",
        "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": "tpic1021dr.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": "tpic1021dr-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": "67c8801845f0c780b7b0e294d7cbc5f9a7e274e268ba77838d108beaba3bf78b",
        "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": [
    "tpic1021dr"
  ],
  "discovery_pitch": "TPIC1021DR (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",
    "tpic1021dr.kicad_sym",
    "tpic1021dr.kicad_mod",
    "tpic1021dr.glb",
    "tpic1021dr.step",
    "tpic1021dr.lbr",
    "docs/hero.png",
    "docs/tpic1021dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tpic1021dr-hero.glb",
    "tpic1021dr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}