VL102-Q4

{
  "slug": "vl102-q4",
  "version": "0.1.0",
  "type": "component",
  "description": "VIA Labs USB Converters, QFN-48-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "vl102-q4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "vl102-q4.kicad_sym",
    "vl102-q4.kicad_mod",
    "vl102-q4.glb",
    "vl102-q4.step",
    "vl102-q4.lbr",
    "docs/hero.png",
    "docs/vl102-q4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "vl102-q4-hero.glb",
    "vl102-q4-hero.overlay.json",
    "vl102-q4-etched.glb"
  ],
  "component": {
    "mpn": "VL102-Q4",
    "manufacturer": "VIA Labs",
    "package": "QFN-48-EP(6x6)",
    "pin_count": 49,
    "category": "Interface",
    "subcategory": "USB Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883931739664384",
    "parts": {
      "symbol": "vl102-q4.kicad_sym",
      "footprint": "vl102-q4.kicad_mod",
      "model_3d": "vl102-q4-hero.glb",
      "model_3d_plain": "vl102-q4-etched.glb",
      "model_3d_step": "vl102-q4-etched.step",
      "model_3d_step_plain": "vl102-q4.step",
      "lbr": "vl102-q4.lbr"
    },
    "distributor_links": {
      "lcsc": "C209754"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:30:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD5IN",
        "type": "power_in",
        "description": "5V power input for the 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; the built-in SBU1/SBU2 switch supports USB-C cable flipping, and no further electrical limits are stated."
      },
      {
        "number": "9",
        "name": "SBU2",
        "type": "bidirectional",
        "description": "Sideband use 2; the built-in SBU1/SBU2 switch supports USB-C cable flipping, and no further electrical limits are stated."
      },
      {
        "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 20.5 kΩ resistor (+/-1% accuracy)."
      },
      {
        "number": "15",
        "name": "VCONNIN33",
        "type": "power_in",
        "description": "3.3V Vconn power input; recommended operating range 3.0 V to 3.6 V (3.3 V typical)."
      },
      {
        "number": "16",
        "name": "LDOVDD5",
        "type": "power_in",
        "description": "5V input for the 5V-to-3.3V LDO; recommended range 4.5 V to 5.5 V (5 V typical)."
      },
      {
        "number": "17",
        "name": "LDOVDD33O",
        "type": "power_out",
        "description": "3.3V output of the 5V-to-3.3V LDO; output 3.135 V to 3.465 V with max output current 100 mA."
      },
      {
        "number": "18",
        "name": "OSCVDD18O",
        "type": "power_out",
        "description": "Analog 1.8V power output; output voltage 1.71 V to 1.89 V from the internal 3.3V-to-1.8V LDO, max output current 100 mA."
      },
      {
        "number": "19",
        "name": "OSCXI",
        "type": "input",
        "description": "24 MHz crystal input."
      },
      {
        "number": "20",
        "name": "OSCXO",
        "type": "output",
        "description": "24 MHz crystal output."
      },
      {
        "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 I/O power input; recommended range 3.0 V to 3.6 V (3.3 V typical)."
      },
      {
        "number": "31",
        "name": "GPIO9",
        "type": "bidirectional",
        "description": "General purpose I/O for application customization."
      },
      {
        "number": "32",
        "name": "GPIO8",
        "type": "bidirectional",
        "description": "General purpose I/O for application customization."
      },
      {
        "number": "33",
        "name": "GPIO7",
        "type": "bidirectional",
        "description": "General purpose I/O for application customization."
      },
      {
        "number": "34",
        "name": "GPIO6",
        "type": "bidirectional",
        "description": "General purpose I/O for application customization."
      },
      {
        "number": "35",
        "name": "GPIO5",
        "type": "bidirectional",
        "description": "General purpose I/O for application customization."
      },
      {
        "number": "36",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General purpose I/O for application customization."
      },
      {
        "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 I/O power input; recommended range 3.0 V to 3.6 V (3.3 V typical)."
      },
      {
        "number": "39",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General purpose I/O for application customization."
      },
      {
        "number": "40",
        "name": "DVCC18",
        "type": "power_in",
        "description": "Digital 1.8V core power input; recommended range 1.62 V to 1.98 V (1.8 V typical)."
      },
      {
        "number": "41",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General purpose I/O for application customization."
      },
      {
        "number": "42",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General purpose I/O for application customization."
      },
      {
        "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 VL102)."
      },
      {
        "number": "47",
        "name": "SPI_CLK",
        "type": "output",
        "description": "Serial flash clock."
      },
      {
        "number": "48",
        "name": "SPI_D",
        "type": "output",
        "description": "Serial flash data input (driven by the VL102)."
      },
      {
        "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-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 datasheet's pin diagram (Figure 3) is an image and is not in the extracted text. Pin numbers wer; The package hint says QFN-48-EP(6x6), but the datasheet describes only a 'QFN 48L 6x6x0.85 mm' packa; VL102-Q4 is the captive-cable charging-through variant; the VL102R-Q4 receptacle variant shares the ",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0723,
        "at": "2026-10-18T15:29:29"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883931739664384",
        "pages": 16,
        "sha256": "e766bde769e9c0e9",
        "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": "vl102-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a10ed5fb0dd9059d4bc231c7e6da1d5d5cafe17adc7aa00b214bfc3cf6e9f4f",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "vl102-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1bb47f859aafde91c45c73a4546135f499657345a4eaa36e72f896fc7bd72e2d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}