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Ray Set visibility: public cc015eb 16h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "vl103-q4",
  "title": "VL103-Q4",
  "brief": "VIA Tech USB ICs, QFN-48-EP(6x6). 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",
    "interface ics",
    "vl103-q4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "VL103-Q4",
    "manufacturer": "VIA Tech",
    "package": "QFN-48-EP(6x6)",
    "pin_count": 49,
    "category": "Interface ICs",
    "subcategory": "USB ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/df1fc7dbd2e71510c26d2db93eda1713.pdf",
    "parts": {
      "symbol": "vl103-q4.kicad_sym",
      "footprint": "vl103-q4.kicad_mod",
      "model_3d": "vl103-q4-hero.glb",
      "model_3d_plain": "vl103-q4-etched.glb",
      "model_3d_step": "vl103-q4-etched.step",
      "model_3d_step_plain": "vl103-q4.step",
      "lbr": "vl103-q4.lbr"
    },
    "distributor_links": {
      "lcsc": "C209758"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:50:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD5IN",
        "type": "power_in",
        "description": "5V power input for Vconn power output."
      },
      {
        "number": "2",
        "name": "CC1_D",
        "type": "bidirectional",
        "description": "DRP port Configuration Channel 1."
      },
      {
        "number": "3",
        "name": "CC2_D",
        "type": "bidirectional",
        "description": "DRP port Configuration Channel 2."
      },
      {
        "number": "4",
        "name": "ODV5DP",
        "type": "output",
        "description": "Open-drain I/O for 5V video power control."
      },
      {
        "number": "5",
        "name": "AUXP",
        "type": "bidirectional",
        "description": "DP AUX channel positive."
      },
      {
        "number": "6",
        "name": "AUXN",
        "type": "bidirectional",
        "description": "DP AUX channel negative."
      },
      {
        "number": "7",
        "name": "HPD",
        "type": "input",
        "description": "DP Hot Plug Detect input."
      },
      {
        "number": "8",
        "name": "SBU1",
        "type": "bidirectional",
        "description": "Sideband Use 1."
      },
      {
        "number": "9",
        "name": "SBU2",
        "type": "bidirectional",
        "description": "Sideband Use 2."
      },
      {
        "number": "10",
        "name": "CC2_U",
        "type": "bidirectional",
        "description": "Charging UFP Configuration Channel 2."
      },
      {
        "number": "11",
        "name": "CC1_U",
        "type": "bidirectional",
        "description": "Charging UFP Configuration Channel 1."
      },
      {
        "number": "12",
        "name": "VBUS_DET2",
        "type": "input",
        "description": "USB-C DRP Vbus voltage detector input."
      },
      {
        "number": "13",
        "name": "VBUS_DET1",
        "type": "input",
        "description": "USB-C charging UFP Vbus voltage detector input."
      },
      {
        "number": "14",
        "name": "REXT",
        "type": "passive",
        "description": "Analog bias pin; connect to an external 20.5K ohm, +/-1% accuracy resistor."
      },
      {
        "number": "15",
        "name": "VCONNIN33",
        "type": "power_in",
        "description": "3.3V Vconn power input (recommended 3.0 to 3.6V)."
      },
      {
        "number": "16",
        "name": "LDOVDD5",
        "type": "power_in",
        "description": "5V input for the 5V-to-3.3V LDO (recommended 4.5 to 5.5V)."
      },
      {
        "number": "17",
        "name": "LDOVDD33O",
        "type": "power_out",
        "description": "3.3V output pin of the 5V-to-3.3V LDO."
      },
      {
        "number": "18",
        "name": "OSCVDD18O",
        "type": "power_out",
        "description": "Analog 1.8V power output."
      },
      {
        "number": "19",
        "name": "GPIO11",
        "type": "bidirectional",
        "description": "General purpose I/O."
      },
      {
        "number": "20",
        "name": "GPIO10",
        "type": "bidirectional",
        "description": "General purpose I/O."
      },
      {
        "number": "21",
        "name": "BOOST_VTRL",
        "type": "input",
        "description": "Boost voltage control input."
      },
      {
        "number": "22",
        "name": "CS_N",
        "type": "input",
        "description": "Current sensing negative input."
      },
      {
        "number": "23",
        "name": "CS_P",
        "type": "input",
        "description": "Current sensing positive input."
      },
      {
        "number": "24",
        "name": "DP_IN",
        "type": "bidirectional",
        "description": "D+ data line connected to the downstream facing port."
      },
      {
        "number": "25",
        "name": "DM_IN",
        "type": "bidirectional",
        "description": "D- data line connected to the downstream facing port."
      },
      {
        "number": "26",
        "name": "DM_OUT",
        "type": "bidirectional",
        "description": "D- data line connected to the upstream facing port."
      },
      {
        "number": "27",
        "name": "DP_OUT",
        "type": "bidirectional",
        "description": "D+ data line connected to the upstream facing port."
      },
      {
        "number": "28",
        "name": "DM_U",
        "type": "bidirectional",
        "description": "D- data line to the USB Billboard device."
      },
      {
        "number": "29",
        "name": "DP_U",
        "type": "bidirectional",
        "description": "D+ data line to the USB Billboard device."
      },
      {
        "number": "30",
        "name": "VCC33",
        "type": "power_in",
        "description": "Digital 3.3V IO power input (recommended 3.0 to 3.6V)."
      },
      {
        "number": "31",
        "name": "GPIO9",
        "type": "bidirectional",
        "description": "General purpose I/O."
      },
      {
        "number": "32",
        "name": "GPIO8",
        "type": "bidirectional",
        "description": "General purpose I/O."
      },
      {
        "number": "33",
        "name": "GPIO7",
        "type": "bidirectional",
        "description": "General purpose I/O."
      },
      {
        "number": "34",
        "name": "GPIO6",
        "type": "bidirectional",
        "description": "General purpose I/O."
      },
      {
        "number": "35",
        "name": "GPIO5",
        "type": "bidirectional",
        "description": "General purpose I/O."
      },
      {
        "number": "36",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General purpose I/O."
      },
      {
        "number": "37",
        "name": "VDD5V",
        "type": "power_in",
        "description": "E-fuse power input, connected to 3.3V in normal use."
      },
      {
        "number": "38",
        "name": "VCC33",
        "type": "power_in",
        "description": "Digital 3.3V IO power input (recommended 3.0 to 3.6V)."
      },
      {
        "number": "39",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General purpose I/O."
      },
      {
        "number": "40",
        "name": "DVCC18",
        "type": "power_in",
        "description": "Digital 1.8V core power input (recommended 1.62 to 1.98V)."
      },
      {
        "number": "41",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General purpose I/O."
      },
      {
        "number": "42",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General purpose I/O."
      },
      {
        "number": "43",
        "name": "RESET_",
        "type": "input",
        "description": "External chip reset input."
      },
      {
        "number": "44",
        "name": "TESTEN",
        "type": "input",
        "description": "Test mode enable with internal pull-down; do not connect for normal operation."
      },
      {
        "number": "45",
        "name": "SPI_CS_",
        "type": "output",
        "description": "Serial flash chip enable."
      },
      {
        "number": "46",
        "name": "SPI_Q",
        "type": "input",
        "description": "Serial flash data output (input to the VL103)."
      },
      {
        "number": "47",
        "name": "SPI_CLK",
        "type": "output",
        "description": "Serial flash clock."
      },
      {
        "number": "48",
        "name": "SPI_D",
        "type": "output",
        "description": "Serial flash data input (output from the VL103)."
      },
      {
        "number": "49",
        "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 QFN-48 pin list has no ground pin and no exposed-pad entry. The datasheet lists only DGND in the; Pin types are inferred from the I/O column in the pin description tables. REXT is typed passive beca"
        ],
        "pages_sent": 18,
        "cost_usd": 0.1428,
        "at": "2026-10-27T00:48:02"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/df1fc7dbd2e71510c26d2db93eda1713.pdf",
        "pages": 18,
        "sha256": "18e788fff3b26a0e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "vl103-q4.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.02,
          6.02,
          0.9
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2aab0e60895196097b1ba17931998339828ee95374567c51c4441b74c662f7cb",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "vl103-q4-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.02,
          6.02,
          0.9
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "53ea2f0d2dba4bd3e63560e330cb105bf74267379892ef08a32e43e1cef89f2e",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "VIA Tech",
      "Package": "QFN-48-EP(6x6)",
      "Category": "Interface ICs",
      "Pins": "49"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "18e788fff3b26a0e1c38e0ef17dad5ff17cefdaf7e77be0621391791c04b3098",
      "rows": [
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "3.3V Power Input Voltage",
          "symbol": "VDD33",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 3.69,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "5V Power Input Voltage",
          "symbol": "VDD50",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage at any output",
          "symbol": "VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "max = VCC+0.5 V",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic Discharge",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "Human Body Model",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "5V to 3.3V LDO 5V Power Input",
          "symbol": "LDOVDD5",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": 5,
          "max": 5.5,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "3.3V Vconn power input",
          "symbol": "VCONNIN33",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Digital IO power 3.3V",
          "symbol": "VCC33",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Digital Core power 1.8V",
          "symbol": "DVCC18",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.62,
          "typ": 1.8,
          "max": 1.98,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Ground",
          "symbol": "DGND",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": 0,
          "max": null,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Input Low Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Input High Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Output Low Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IOL=15.8mA",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Output High Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "IOH=26.5mA",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Input Leakage Current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "0<VIN<VCC",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Tristate Leakage Current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "0<VOUT<VCC",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "3.3V to 1.8V LDO Input Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "Internal 3.3V to 1.8V LDO",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "3.3V to 1.8V LDO Output Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.71,
          "typ": 1.8,
          "max": 1.89,
          "conditions": "Internal 3.3V to 1.8V LDO",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "3.3V to 1.8V LDO Max. Output Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Internal 3.3V to 1.8V LDO",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "3.3V to 1.8V LDO Output Voltage Tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Internal 3.3V to 1.8V LDO",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "5V to 3.3V LDO Input Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": 5,
          "max": 5.5,
          "conditions": "Internal 5V to 3.3V LDO",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "5V to 3.3V LDO Output Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 3.135,
          "typ": 3.3,
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