component
VL103-Q4
Public Made by Adomby adom
VIA Tech USB ICs, QFN-48-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "vl103-q4",
"version": "0.1.0",
"type": "component",
"description": "VIA Tech USB ICs, QFN-48-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"interface ics",
"vl103-q4",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"vl103-q4.kicad_sym",
"vl103-q4.kicad_mod",
"vl103-q4.glb",
"vl103-q4.step",
"vl103-q4.lbr",
"docs/hero.png",
"docs/vl103-q4-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"vl103-q4-hero.glb",
"vl103-q4-hero.overlay.json",
"vl103-q4-etched.glb"
],
"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": 0.0,
"centre_offset_mm": 0.0,
"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": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "53ea2f0d2dba4bd3e63560e330cb105bf74267379892ef08a32e43e1cef89f2e",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}