XR21V1412IL32TR-F

{
  "schema_version": 1,
  "type": "component",
  "slug": "xr21v1412il32tr-f",
  "title": "XR21V1412IL32TR-F",
  "brief": "MaxLinear USB Converters, QFN-32-EP(5x5). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "xr21v1412il32tr-f"
  ],
  "component": {
    "mpn": "XR21V1412IL32TR-F",
    "manufacturer": "MaxLinear",
    "package": "QFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Interface",
    "subcategory": "USB Converters",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2202131830_MaxLinear-XR21V1412IL32TR-F_C2678083.pdf",
    "parts": {
      "symbol": "xr21v1412il32tr-f.kicad_sym",
      "footprint": "xr21v1412il32tr-f.kicad_mod",
      "model_3d": "xr21v1412il32tr-f-etched.glb",
      "model_3d_plain": "xr21v1412il32tr-f.glb",
      "model_3d_step": "xr21v1412il32tr-f-etched.step",
      "model_3d_step_plain": "xr21v1412il32tr-f.step",
      "lbr": "xr21v1412il32tr-f.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Power-supply common (ground)."
      },
      {
        "number": "2",
        "name": "LOWPOWER",
        "type": "output",
        "description": "Low-power status output. Asserted while it is not safe to draw the current requested in the Configuration Descriptor bMaxPower; sampled at power-up / USB bus reset with an external 10 K pull-up (active-HIGH in suspend) or 3.3 K pull-down (active-LOW in suspend) to set its polarity."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Power-supply common (ground)."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "+3.3 V power supply."
      },
      {
        "number": "5",
        "name": "TXA",
        "type": "output",
        "description": "UART Channel A transmit data output."
      },
      {
        "number": "6",
        "name": "RXA",
        "type": "input",
        "description": "UART Channel A receive data input. Internal pull-up is present and is NOT disabled during suspend mode."
      },
      {
        "number": "7",
        "name": "GPIOA5/RTSA#/RS485A",
        "type": "bidirectional",
        "description": "Channel A GPIO, active-low Request-To-Send output, or automatic RS-485 half-duplex control. Internal pull-up disabled during suspend; add an external pull-up when used as an input."
      },
      {
        "number": "8",
        "name": "GPIOA4/CTSA#",
        "type": "bidirectional",
        "description": "Channel A GPIO or active-low Clear-To-Send input used with automatic RTS/CTS hardware flow control. Internal pull-up disabled during suspend."
      },
      {
        "number": "9",
        "name": "GPIOA3/DTRA#",
        "type": "bidirectional",
        "description": "Channel A GPIO or active-low Data-Terminal-Ready output used with automatic DTR/DSR hardware flow control. Internal pull-up disabled during suspend."
      },
      {
        "number": "10",
        "name": "GPIOA2/DSRA#",
        "type": "bidirectional",
        "description": "Channel A GPIO or active-low Data-Set-Ready input used with automatic DTR/DSR hardware flow control. Internal pull-up disabled during suspend."
      },
      {
        "number": "11",
        "name": "GPIOA1/CDA#",
        "type": "bidirectional",
        "description": "Channel A GPIO or active-low Carrier-Detect input. Internal pull-up disabled during suspend."
      },
      {
        "number": "12",
        "name": "GPIOA0/RIA#/RWKA#",
        "type": "bidirectional",
        "description": "Channel A GPIO, active-low Ring-Indicator input, or Remote Wakeup input (a HIGH-to-LOW transition on this pin during USB suspend signals a remote-wakeup to the host). Internal pull-up disabled during suspend."
      },
      {
        "number": "13",
        "name": "VCC",
        "type": "power_in",
        "description": "+3.3 V power supply."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Power-supply common (ground)."
      },
      {
        "number": "15",
        "name": "TXB",
        "type": "output",
        "description": "UART Channel B transmit data output."
      },
      {
        "number": "16",
        "name": "RXB",
        "type": "input",
        "description": "UART Channel B receive data input. Internal pull-up is present and is NOT disabled during suspend mode."
      },
      {
        "number": "17",
        "name": "GPIOB5/RTSB#/RS485B",
        "type": "bidirectional",
        "description": "Channel B GPIO, active-low Request-To-Send output, or automatic RS-485 half-duplex control. Internal pull-up disabled during suspend."
      },
      {
        "number": "18",
        "name": "GPIOB4/CTSB#",
        "type": "bidirectional",
        "description": "Channel B GPIO or active-low Clear-To-Send input used with automatic RTS/CTS hardware flow control. Internal pull-up disabled during suspend."
      },
      {
        "number": "19",
        "name": "GPIOB3/DTRB#",
        "type": "bidirectional",
        "description": "Channel B GPIO or active-low Data-Terminal-Ready output used with automatic DTR/DSR hardware flow control. Internal pull-up disabled during suspend."
      },
      {
        "number": "20",
        "name": "GPIOB2/DSRB#",
        "type": "bidirectional",
        "description": "Channel B GPIO or active-low Data-Set-Ready input used with automatic DTR/DSR hardware flow control. Internal pull-up disabled during suspend."
      },
      {
        "number": "21",
        "name": "GPIOB1/CDB#",
        "type": "bidirectional",
        "description": "Channel B GPIO or active-low Carrier-Detect input. Internal pull-up disabled during suspend."
      },
      {
        "number": "22",
        "name": "GPIOB0/RIB#/RWKB#",
        "type": "bidirectional",
        "description": "Channel B GPIO, active-low Ring-Indicator input, or Remote Wakeup input for Channel B. Internal pull-up disabled during suspend."
      },
      {
        "number": "23",
        "name": "GND",
        "type": "power_in",
        "description": "Power-supply common (ground)."
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "+3.3 V power supply."
      },
      {
        "number": "25",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C-controller open-drain data line for the optional external EEPROM used to override the USB Vendor ID / Device ID and other descriptors. Requires an external 4.7 - 10 kΩ pull-up. When no EEPROM is fitted, SDA is strapped with SCL to select Remote-Wakeup and Power modes (see Table 2)."
      },
      {
        "number": "26",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C-controller open-drain serial clock for the optional external EEPROM. Requires an external 4.7 - 10 kΩ pull-up. When no EEPROM is fitted, SCL is strapped with SDA to select Remote-Wakeup and Power modes (see Table 2)."
      },
      {
        "number": "27",
        "name": "GND",
        "type": "power_in",
        "description": "Power-supply common (ground)."
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Power-supply common (ground)."
      },
      {
        "number": "29",
        "name": "USBD-",
        "type": "bidirectional",
        "description": "USB port differential data minus. ±5 kV HBM ESD protected."
      },
      {
        "number": "30",
        "name": "USBD+",
        "type": "bidirectional",
        "description": "USB port differential data plus. Contains an internal 1.5 kΩ pull-up so the device enumerates as a full-speed USB device. ±5 kV HBM ESD protected."
      },
      {
        "number": "31",
        "name": "VCC",
        "type": "power_in",
        "description": "+3.3 V power supply."
      },
      {
        "number": "32",
        "name": "VCC",
        "type": "power_in",
        "description": "+3.3 V power supply."
      },
      {
        "number": "33",
        "name": "GND (Thermal Pad)",
        "type": "power_in",
        "description": "Exposed center pad on the back of the QFN package; must be soldered to the PCB GND plane. The datasheet specifies a solder-mask-defined thermal land approximately the same size as the pad, with the solder-mask opening set back at least 0.0025 inch inside the pad edge."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2202131830_MaxLinear-XR21V1412IL32TR-F_C2678083.pdf",
        "pages": 33,
        "sha256": "2657bc3f2b9ad1ea",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MaxLinear",
      "Package": "QFN-32-EP(5x5)",
      "Category": "Interface",
      "Pins": "33"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "xr21v1412il32tr-f"
  ],
  "discovery_pitch": "XR21V1412IL32TR-F (MaxLinear) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "xr21v1412il32tr-f.kicad_sym",
    "xr21v1412il32tr-f.kicad_mod",
    "xr21v1412il32tr-f.glb",
    "xr21v1412il32tr-f.step",
    "xr21v1412il32tr-f.lbr",
    "docs/hero.png",
    "docs/xr21v1412il32tr-f-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xr21v1412il32tr-f-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "XR21V1412IL32-F",
      "kind": "unknown"
    },
    {
      "mpn": "XR21V1412IL32TR-F",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T14:39:58.709Z"
}