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Ray Set visibility: public 1ddeb28 5d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "tcan1044aevdrq1",
  "title": "TCAN1044AEVDRQ1",
  "brief": "Texas Instruments CAN ICs, 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",
    "communication interface chip-uart-485-232",
    "tcan1044aevdrq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TCAN1044AEVDRQ1",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "CAN ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tcan1044aev-q1",
    "parts": {
      "symbol": "tcan1044aevdrq1.kicad_sym",
      "footprint": "tcan1044aevdrq1.kicad_mod",
      "model_3d": "tcan1044aevdrq1-hero.glb",
      "model_3d_plain": "tcan1044aevdrq1-etched.glb",
      "model_3d_step": "tcan1044aevdrq1-etched.step",
      "model_3d_step_plain": "tcan1044aevdrq1.step",
      "lbr": "tcan1044aevdrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C3234998",
      "digikey": "296-TCAN1044AEVDRQ1TR-ND",
      "mouser": "595-TCAN1044AEVDRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T18:31:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TCAN1044AEVDRQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TCAN1044AEVDRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TXD",
        "type": "input",
        "description": "CAN transmit data input, logic level referenced to VIO, with integrated pull-up."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection; must be connected to the PCB ground."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "5-V supply voltage for the CAN transceiver (absolute maximum -0.3 to 6 V)."
      },
      {
        "number": "4",
        "name": "RXD",
        "type": "output",
        "description": "CAN receive data output referenced to VIO, tri-stated when device powered off and only driven once VIO is present."
      },
      {
        "number": "5",
        "name": "VIO",
        "type": "power_in",
        "description": "I/O supply voltage for the digital interface, supporting 1.7 V to 5.5 V."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "Low-level CAN bus input/output line, fault protected to ±58 V."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "High-level CAN bus input/output line, fault protected to ±58 V."
      },
      {
        "number": "8",
        "name": "STB",
        "type": "input",
        "description": "Standby input for mode control with integrated pull-up; can be tied to GND if only normal mode is used."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 10,
        "cost_usd": 0.0877,
        "at": "2026-10-26T18:31:04"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tcan1044aev-q1",
        "pages": 34,
        "sha256": "20eeae2b5ce64357",
        "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": [
      {
        "file": "tcan1044aevdrq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tcan1044aevdrq1-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": "e92b4b261f0c327b0972ffd29a7b4ae10e013bd821181c9be8ef6227ebbca7a5",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Communication Interface Chip/UART/485/232",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "20eeae2b5ce64357ccd35d4f5299cb9550123c3014a5e8271ea388e782afb904",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage I/O level shifter",
          "symbol": "VIO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CAN bus I/O voltage",
          "symbol": "VBUS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -58,
          "typ": null,
          "max": 58,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Max differential voltage between CANH and CANL",
          "symbol": "VDIFF",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -45,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Logic input terminal voltage",
          "symbol": "VLogic_Input",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "RXD output terminal voltage range",
          "symbol": "VRXD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "RXD output current",
          "symbol": "IO(RXD)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -8,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": 5,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage for I/O level shifter",
          "symbol": "VIO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.7,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "RXD terminal high-level output current",
          "symbol": "IOH(RXD)",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -1.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "RXD terminal low-level output current",
          "symbol": "IOL(RXD)",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 127.5,
          "max": null,
          "conditions": "D (SOIC)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 67.6,
          "max": null,
          "conditions": "D (SOIC)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 70.9,
          "max": null,
          "conditions": "D (SOIC)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current normal mode dominant",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 45,
          "max": 70,
          "conditions": "STB = 0 V, TXD = 0 V, RL = 60 Ω, CL = open",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current normal mode dominant",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 49,
          "max": 80,
          "conditions": "STB = 0 V, TXD = 0 V, RL = 50 Ω, CL = open",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current normal mode recessive",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.5,
          "max": 7.5,
          "conditions": "STB = 0 V, TXD = VCC or VIO, RL = 50 Ω, CL = open",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current dominant with bus fault",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 130,
          "conditions": "STB = 0 V, TXD = 0 V, CANH = CANL = ±25 V, RL = open, CL = open",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current standby mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "STB = TXD = VIO, RL = 50 Ω, CL = open",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "I/O supply current normal mode dominant",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 125,
          "max": 300,
          "conditions": "STB = 0 V, TXD = 0 V, RXD floating",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "I/O supply current normal mode recessive",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 25,
          "max": 48,
          "conditions": "STB = 0 V, TXD = 0 V, RXD floating",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "I/O supply current standby mode",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 8.5,
          "max": 14,
          "conditions": "STB = VIO, TXD = 0 V, RXD floating",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Rising undervoltage detection on VCC",
          "symbol": "UVCC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4.2,
          "max": 4.4,
          "conditions": "protected mode",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Falling undervoltage detection on VCC",
          "symbol": "UVCC",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": 4,
          "max": 4.25,
          "conditions": "protected mode",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis voltage on UVCC",
          "symbol": "VHYS(UVCC)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Rising undervoltage detection on VIO",
          "symbol": "UVVIO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.56,
          "max": 1.65,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Falling undervoltage detection on VIO",
          "symbol": "UVVIO",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": 1.51,
          "max": 1.59,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis voltage on UVIO",
          "symbol": "VHYS(UVIO)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown temperature",
          "symbol": "TTSD",
          "kind": "thermal",
          "unit": "°C",
          "min": 175,
          "typ": 195,
          "max": 210,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dominant output voltage CANH",
          "symbol": "VO(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 2.75,
          "typ": null,
          "max": 4.5,
          "conditions": "STB = 0 V, TXD = 0 V, 50 Ω ≤ RL ≤ 65 Ω, CL = open, RCM = open",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dominant output voltage CANL",
          "symbol": "VO(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.5,
          "typ": null,
          "max": 2.25,
          "conditions": "STB = 0 V, TXD = 0 V, 50 Ω ≤ RL ≤ 65 Ω, CL = open, RCM = open",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Recessive output voltage CANH and CANL",
          "symbol": "VO(REC)",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 3,
          "conditions": "STB = 0 V, TXD = VIO, RL = open (no load), RCM = open",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Driver symmetry (VO(CANH) + VO(CANL))/VCC",
          "symbol": "VSYM",
          "kind": "electrical",
          "unit": "V/V",
          "min": 0.9,
          "typ": null,
          "max": 1.1,
          "conditions": "STB = 0 V, TXD = 250 kHz, 1 MHz, 2.5 MHz, RL = 60 Ω, CSPLIT = 4.7 nF, CL = open, RCM = open",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "DC output symmetry (VCC - VO(CANH) - VO(CANL))",
          "symbol": "VSYM_DC",
          "kind": "electrical",
          "unit": "mV",
          "min": -400,
          "typ": null,
          "max": 400,
          "conditions": "STB = 0 V, RL = 60 Ω, CL = open",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Differential output voltage dominant",
          "symbol": "VOD(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 3,
          "conditions": "STB = 0 V, TXD = 0 V, 50 Ω ≤ RL ≤ 65 Ω, CL = open",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Differential output voltage dominant",
          "symbol": "VOD(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": 3.3,
          "conditions": "STB = 0 V, TXD = 0 V, 45 Ω ≤ RL ≤ 70 Ω, CL = open",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Differential output voltage dominant",
          "symbol": "VOD(DOM)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 5,
          "conditions": "STB = 0 V, TXD = 0 V, RL = 2240 Ω, CL = open",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Differential output voltage recessive",
          "symbol": "VOD(REC)",
          "kind": "electrical",
          "unit": "mV",
          "min": -120,
          "typ": null,
          "max": 12,
          "conditions": "STB = 0 V, TXD = VIO, RL = 60 Ω, CL = open",
          "source_page": 7,
          "source": "datasheet"
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        {
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