CA-IF1043DF-Q1

{
  "slug": "ca-if1043df-q1",
  "version": "0.1.0",
  "type": "component",
  "description": "Chipanalog CAN ICs, DFN-14(3x4.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "ca-if1043df-q1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ca-if1043df-q1.kicad_sym",
    "ca-if1043df-q1.kicad_mod",
    "ca-if1043df-q1.glb",
    "ca-if1043df-q1.step",
    "ca-if1043df-q1.lbr",
    "docs/hero.png",
    "docs/ca-if1043df-q1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ca-if1043df-q1-hero.glb",
    "ca-if1043df-q1-hero.overlay.json",
    "ca-if1043df-q1-etched.glb"
  ],
  "component": {
    "mpn": "CA-IF1043DF-Q1",
    "manufacturer": "Chipanalog",
    "package": "DFN-14(3x4.5)",
    "pin_count": 15,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "CAN ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bb4a0829b42808119cb199375a4a9a25.pdf",
    "parts": {
      "symbol": "ca-if1043df-q1.kicad_sym",
      "footprint": "ca-if1043df-q1.kicad_mod",
      "model_3d": "ca-if1043df-q1-hero.glb",
      "model_3d_plain": "ca-if1043df-q1-etched.glb",
      "model_3d_step": "ca-if1043df-q1-etched.step",
      "model_3d_step_plain": "ca-if1043df-q1.step",
      "lbr": "ca-if1043df-q1.lbr"
    },
    "distributor_links": {
      "lcsc": "C7461401"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:43:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 916 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TXD",
        "type": "input",
        "description": "Transmit data input; TXD high drives the CAN bus recessive, TXD low drives it dominant, with an internal pull-up resistor."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "5V supply input (4.5V to 5.5V recommended); place a 0.1uF capacitor between VCC and GND as close to the device as possible."
      },
      {
        "number": "4",
        "name": "RXD",
        "type": "output",
        "description": "Receiver data output, referenced to VIO; high when the bus is recessive and low when the bus is dominant."
      },
      {
        "number": "5",
        "name": "VIO",
        "type": "power_in",
        "description": "I/O level-shifting supply voltage, 1.7V to 5.5V recommended."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Enable input for mode control, with an internal pull-down resistor."
      },
      {
        "number": "7",
        "name": "INH",
        "type": "output",
        "description": "High-voltage inhibit output used to enable external power supply regulators; driven high (VSUP minus a drop) except in sleep mode where it is high impedance."
      },
      {
        "number": "8",
        "name": "nFAULT",
        "type": "output",
        "description": "Fault output, active low indicates a fault has occurred; also indicates wake request/source and power-on status."
      },
      {
        "number": "9",
        "name": "WAKE",
        "type": "input",
        "description": "High-voltage wake-up input for local wake-up, with an input range of -58V to 58V absolute maximum."
      },
      {
        "number": "10",
        "name": "VSUP",
        "type": "power_in",
        "description": "Battery supply input, 4.5V to 45V recommended."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "12",
        "name": "CANL",
        "type": "bidirectional",
        "description": "Low-level CAN bus line, with bus fault protection to ±58V."
      },
      {
        "number": "13",
        "name": "CANH",
        "type": "bidirectional",
        "description": "High-level CAN bus line, with bus fault protection to ±58V."
      },
      {
        "number": "14",
        "name": "nSTB",
        "type": "input",
        "description": "Standby mode control input, with an internal pull-down resistor."
      },
      {
        "number": "15",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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": [
          "extractor flagged: The datasheet text does not mention an exposed thermal pad for the DFN14 package, and the package dr; Pin types were inferred from the Chinese pin table. INH and the bus pins are mapped to output and bi"
        ],
        "pages_sent": 32,
        "cost_usd": 0.2255,
        "at": "2026-10-22T22:43:06"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/bb4a0829b42808119cb199375a4a9a25.pdf",
        "pages": 32,
        "sha256": "9bafe112cde9cf45",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 15,
        "described": 15,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ca-if1043df-q1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          4.4,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8079d62f5b9e1cd0308689c1e51508513555e4adea6121b173ad6c80909f9944",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ca-if1043df-q1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.4,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "421c0b780224bfb30544080550879cd355d6237672f0fe8c8e8387f4dad6ddcb",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}