main
Ray Set visibility: public 8df79c2 22d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bct4227etb-tr",
  "title": "BCT4227ETB-TR",
  "brief": "BROADCHIP Analog Switches / Multiplexers, WQFN-10(1.4x1.8). 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",
    "bct4227etb-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BCT4227ETB-TR",
    "manufacturer": "BROADCHIP",
    "package": "WQFN-10(1.4x1.8)",
    "pin_count": 10,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Analog Switches / Multiplexers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881931643858944",
    "parts": {
      "symbol": "bct4227etb-tr.kicad_sym",
      "footprint": "bct4227etb-tr.kicad_mod",
      "model_3d": "bct4227etb-tr-hero.glb",
      "model_3d_plain": "bct4227etb-tr.glb",
      "model_3d_step": "bct4227etb-tr-etched.step",
      "model_3d_step_plain": "bct4227etb-tr.step",
      "lbr": "bct4227etb-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C266762"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T20:26:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "D+",
        "type": "passive",
        "description": "Data port D+ is a switch terminal that the datasheet limits to GND to 4.2 V in recommended operating conditions, with an absolute maximum of -0.5 to +5.25 V."
      },
      {
        "number": "2",
        "name": "D-",
        "type": "passive",
        "description": "Data port D- is a switch terminal that the datasheet limits to GND to 4.2 V in recommended operating conditions, with an absolute maximum of -0.5 to +5.25 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      },
      {
        "number": "4",
        "name": "HSD1-",
        "type": "passive",
        "description": "High-speed data port 1 negative terminal, with analog signal range from GND to VCC."
      },
      {
        "number": "5",
        "name": "HSD1+",
        "type": "passive",
        "description": "High-speed data port 1 positive terminal, with analog signal range from GND to VCC."
      },
      {
        "number": "6",
        "name": "HSD2-",
        "type": "passive",
        "description": "High-speed data port 2 negative terminal, with analog signal range from GND to VCC."
      },
      {
        "number": "7",
        "name": "HSD2+",
        "type": "passive",
        "description": "High-speed data port 2 positive terminal, with analog signal range from GND to VCC."
      },
      {
        "number": "8",
        "name": "/OE",
        "type": "input",
        "description": "Active-low output enable; when high both channels are OFF, and the input requires VIH of at least 1.6 V and VIL of at most 0.5 V at VCC = 3.6 V, with an input range of GND to VCC."
      },
      {
        "number": "9",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive power supply, specified from 1.65 V to 4.5 V, with an absolute maximum of 5.25 V."
      },
      {
        "number": "10",
        "name": "SEL",
        "type": "input",
        "description": "Select input that, with /OE low, connects HSD1 when low (SEL = 0) and HSD2 when high (SEL = 1)."
      }
    ],
    "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 WQFN top-view diagram text on page 2 is garbled, so the pin-number-to-name mapping was taken fro; The pin is labeled SEL in the pin description table and logic table, but the top-view diagram and el; The datasheet gives no ball/pin orientation for the WQFN package beyond the garbled diagram, so the "
        ],
        "pages_sent": 13,
        "cost_usd": 0.0467,
        "at": "2026-10-09T20:24:49"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881931643858944",
        "pages": 13,
        "sha256": "7928ddf63e765898",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bct4227etb-tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.4,
          1.8,
          0.57
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "18e8e52c79f660f6db601c893a3ba62a564efea84c0c6dd95908b6b785ca7f2d",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bct4227etb-tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.4,
          1.8,
          0.57
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "0b4cd43b1c337d0a3cef282a022810bdc66be28f3439c6a6877bb8a3010b2c42",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BROADCHIP",
      "Package": "WQFN-10(1.4x1.8)",
      "Category": "Communication Interface Chip/UART/485/232",
      "Pins": "10"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bct4227etb-tr"
  ],
  "discovery_pitch": "BCT4227ETB-TR (BROADCHIP) 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",
    "bct4227etb-tr.kicad_sym",
    "bct4227etb-tr.kicad_mod",
    "bct4227etb-tr.glb",
    "bct4227etb-tr.step",
    "bct4227etb-tr.lbr",
    "docs/hero.png",
    "docs/bct4227etb-tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bct4227etb-tr-hero.glb",
    "bct4227etb-tr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}