CP2105-F01-GMR

{
  "schema_version": 1,
  "type": "component",
  "slug": "cp2105-f01-gmr",
  "title": "CP2105-F01-GMR",
  "brief": "SKYWORKS SILICON LABS USB Converters, QFN-24-EP(4x4). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "cp2105-f01-gmr"
  ],
  "component": {
    "mpn": "CP2105-F01-GMR",
    "manufacturer": "SKYWORKS SILICON LABS",
    "package": "QFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Interface",
    "subcategory": "USB Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182637614739456",
    "parts": {
      "symbol": "cp2105-f01-gmr.kicad_sym",
      "footprint": "cp2105-f01-gmr.kicad_mod",
      "model_3d": "cp2105-f01-gmr-etched.glb",
      "model_3d_plain": "cp2105-f01-gmr.glb",
      "model_3d_step": "cp2105-f01-gmr-etched.step",
      "model_3d_step_plain": "cp2105-f01-gmr.step",
      "lbr": "cp2105-f01-gmr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "SUSPEND/RI_SCI",
        "type": "bidirectional",
        "description": "In GPIO mode, active-low (default) USB Suspend status output; polarity configurable via PROM. In modem-control mode, active-low Ring Indicator (RI) input for the Standard Comm Interface (SCI)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference. Must be tied to ground. The QFN center pad is also optionally tied to GND."
      },
      {
        "number": "3",
        "name": "D+",
        "type": "bidirectional",
        "description": "USB D+ full-speed (12 Mbps) differential data line. Integrated pull-up; no external series resistor required."
      },
      {
        "number": "4",
        "name": "D-",
        "type": "bidirectional",
        "description": "USB D- full-speed (12 Mbps) differential data line. Integrated transceiver; no external series resistor required."
      },
      {
        "number": "5",
        "name": "VIO",
        "type": "power_in",
        "description": "I/O supply voltage input, 1.8 V to VDD. Sets the logic-level reference for the UART/GPIO/RST pins."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply voltage input, 3.0 to 3.6 V. Can be driven by the internal regulator output or an external 3.3 V rail."
      },
      {
        "number": "7",
        "name": "REGIN",
        "type": "power_in",
        "description": "5 V input to the on-chip voltage regulator, 3.0 to 5.25 V. Regulator output is 3.45 V typ, up to 100 mA."
      },
      {
        "number": "8",
        "name": "VBUS",
        "type": "input",
        "description": "USB VBUS sense input. Connect to the VBUS line of the USB connector; detection threshold 2.5 V."
      },
      {
        "number": "9",
        "name": "RST",
        "type": "bidirectional",
        "description": "Device Reset. Open-drain output of the internal POR / VDD monitor; drive low externally for at least 15 us to force a system reset. Active low."
      },
      {
        "number": "10",
        "name": "CTS_ECI",
        "type": "input",
        "description": "Enhanced Comm Interface Clear-To-Send hardware flow-control input, active low. May be left unconnected when unused."
      },
      {
        "number": "11",
        "name": "RTS_ECI",
        "type": "output",
        "description": "Enhanced Comm Interface Ready-To-Send hardware flow-control output, active low."
      },
      {
        "number": "12",
        "name": "RXD_ECI",
        "type": "input",
        "description": "Enhanced Comm Interface asynchronous UART receive data input. Baud rates 300 bps to 2.0 Mbps."
      },
      {
        "number": "13",
        "name": "TXD_ECI",
        "type": "output",
        "description": "Enhanced Comm Interface asynchronous UART transmit data output. Baud rates 300 bps to 2.0 Mbps."
      },
      {
        "number": "14",
        "name": "GPIO.1_ECI/DSR_ECI",
        "type": "bidirectional",
        "description": "In GPIO mode, a user-configurable I/O for the Enhanced Comm Interface. In modem-control mode, the active-low Data Set Ready (DSR) input for the ECI."
      },
      {
        "number": "15",
        "name": "GPIO.0_ECI/DTR_ECI",
        "type": "bidirectional",
        "description": "In GPIO mode, a user-configurable I/O for the Enhanced Comm Interface. In modem-control mode, the active-low Data Terminal Ready (DTR) output for the ECI."
      },
      {
        "number": "16",
        "name": "NC/DCD_ECI/VPP",
        "type": "bidirectional",
        "description": "In GPIO mode, unused (NC). In modem-control mode, active-low Data Carrier Detect (DCD) input for the ECI. Additionally serves as VPP for OTP-ROM programming when a 4.7 uF capacitor is connected to GND; during programming VPP = 5.75 V min."
      },
      {
        "number": "17",
        "name": "SUSPEND/RI_ECI",
        "type": "bidirectional",
        "description": "In GPIO mode, active-low (default) USB Suspend status output; polarity configurable via PROM. In modem-control mode, active-low Ring Indicator (RI) input for the Enhanced Comm Interface."
      },
      {
        "number": "18",
        "name": "CTS_SCI",
        "type": "input",
        "description": "Standard Comm Interface Clear-To-Send hardware flow-control input, active low."
      },
      {
        "number": "19",
        "name": "RTS_SCI",
        "type": "output",
        "description": "Standard Comm Interface Ready-To-Send hardware flow-control output, active low."
      },
      {
        "number": "20",
        "name": "RXD_SCI",
        "type": "input",
        "description": "Standard Comm Interface asynchronous UART receive data input. Baud rates 2400 bps to 921600 bps."
      },
      {
        "number": "21",
        "name": "TXD_SCI",
        "type": "output",
        "description": "Standard Comm Interface asynchronous UART transmit data output. Baud rates 2400 bps to 921600 bps."
      },
      {
        "number": "22",
        "name": "GPIO.2_SCI/DSR_SCI",
        "type": "bidirectional",
        "description": "In GPIO mode, a user-configurable I/O for the Standard Comm Interface. In modem-control mode, the active-low Data Set Ready (DSR) input for the SCI."
      },
      {
        "number": "23",
        "name": "GPIO.1_SCI/DTR_SCI",
        "type": "bidirectional",
        "description": "In GPIO mode, a user-configurable I/O for the Standard Comm Interface. In modem-control mode, the active-low Data Terminal Ready (DTR) output for the SCI."
      },
      {
        "number": "24",
        "name": "GPIO.0_SCI/DCD_SCI",
        "type": "bidirectional",
        "description": "In GPIO mode, a user-configurable I/O for the Standard Comm Interface. In modem-control mode, the active-low Data Carrier Detect (DCD) input for the SCI."
      },
      {
        "number": "25",
        "name": "GND_PAD",
        "type": "power_in",
        "description": "Exposed thermal/center pad on the QFN-24 package. Optional connection to GND; recommended for improved thermal performance and grounding."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182637614739456",
        "pages": 24,
        "sha256": "f46ab66681188a77",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cp2105-f01-gmr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cp2105-f01-gmr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fb6dc00a40882793a12e5c32f3661ec7068a705ad1fa492ee642159c1368dc95",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "SKYWORKS SILICON LABS",
      "Package": "QFN-24-EP(4x4)",
      "Category": "Interface",
      "Pins": "25"
    }
  },
  "variants": [
    {
      "mpn": "CP2105-F01-GMR",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cp2105-f01-gmr"
  ],
  "discovery_pitch": "CP2105-F01-GMR (SKYWORKS SILICON LABS) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cp2105-f01-gmr.kicad_sym",
    "cp2105-f01-gmr.kicad_mod",
    "cp2105-f01-gmr.glb",
    "cp2105-f01-gmr.step",
    "cp2105-f01-gmr.lbr",
    "docs/hero.png",
    "docs/cp2105-f01-gmr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T19:31:50.923Z"
}