component
CP2102N-A02-GQFN20R
Public Made by Adomby adom
SKYWORKS SILICON LABS USB Converters, QFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "cp2102n-a02-gqfn20r",
"title": "CP2102N-A02-GQFN20R",
"brief": "SKYWORKS SILICON LABS USB Converters, QFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
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"interface",
"cp2102n-a02-gqfn20r",
"factory-2.0.0",
"extractor-text"
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"component": {
"mpn": "CP2102N-A02-GQFN20R",
"manufacturer": "SKYWORKS SILICON LABS",
"package": "QFN-20-EP(3x3)",
"pin_count": 21,
"category": "Interface",
"subcategory": "USB Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894197696352256",
"parts": {
"symbol": "cp2102n-a02-gqfn20r.kicad_sym",
"footprint": "cp2102n-a02-gqfn20r.kicad_mod",
"model_3d": "cp2102n-a02-gqfn20r-hero.glb",
"model_3d_plain": "cp2102n-a02-gqfn20r.glb",
"model_3d_step": "cp2102n-a02-gqfn20r-etched.step",
"model_3d_step_plain": "cp2102n-a02-gqfn20r.step",
"lbr": "cp2102n-a02-gqfn20r.lbr"
},
"distributor_links": {
"lcsc": "C969913",
"digikey": "336-5886-2-ND",
"mouser": "634-CP2102NA02QFN20R"
},
"distributor_check": {
"checked_at": "2026-10-09T03:43:26Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "336-5886-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "634-CP2102NA02QFN20R",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "GPIO.1/RS485",
"type": "bidirectional",
"description": "Digital input/output general purpose I/O, alternatively a digital output RS485 control signal."
},
{
"number": "2",
"name": "GPIO.0/CLK",
"type": "bidirectional",
"description": "Digital input/output general purpose I/O, alternatively a digital output clock output."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "4",
"name": "D+",
"type": "bidirectional",
"description": "USB Data Positive."
},
{
"number": "5",
"name": "D-",
"type": "bidirectional",
"description": "USB Data Negative."
},
{
"number": "6",
"name": "VDD",
"type": "power_in",
"description": "Supply power input / 5V regulator output (3.3 V regulator output per feature list); 4.7 µF and 0.1 µF bypass capacitors required."
},
{
"number": "7",
"name": "VREGIN",
"type": "power_in",
"description": "5V regulator input."
},
{
"number": "8",
"name": "VBUS",
"type": "power_in",
"description": "Digital input VBUS sense; connect to the USB VBUS signal, where a 5 V signal indicates a USB network connection."
},
{
"number": "9",
"name": "RSTb",
"type": "bidirectional",
"description": "Active-low reset, driven low during power-on and power failure resets; a 1 kΩ pull-up to VDD is recommended."
},
{
"number": "10",
"name": "NC",
"type": "unconnected",
"description": "No connect; leave this pin floating."
},
{
"number": "11",
"name": "SUSPENDb",
"type": "output",
"description": "Digital output driven low when the device enters the USB suspend state."
},
{
"number": "12",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "13",
"name": "WAKEUP",
"type": "input",
"description": "Digital input remote USB wakeup interrupt input."
},
{
"number": "14",
"name": "SUSPEND",
"type": "output",
"description": "Digital output driven high when the device enters the USB suspend state."
},
{
"number": "15",
"name": "CTS",
"type": "input",
"description": "Digital input Clear To Send control input (active low)."
},
{
"number": "16",
"name": "RTS",
"type": "output",
"description": "Digital output Ready To Send control output (active low)."
},
{
"number": "17",
"name": "RXD",
"type": "input",
"description": "Digital input asynchronous data input (UART Receive)."
},
{
"number": "18",
"name": "TXD",
"type": "output",
"description": "Digital output asynchronous data output (UART Transmit)."
},
{
"number": "19",
"name": "GPIO.3/RXT",
"type": "bidirectional",
"description": "Digital input/output general purpose I/O, alternatively a digital output receive LED toggle."
},
{
"number": "20",
"name": "GPIO.2/TXT",
"type": "bidirectional",
"description": "Digital input/output general purpose I/O, alternatively a digital output transmit LED toggle."
},
{
"number": "21",
"name": "GND",
"type": "power_in",
"description": "Center exposed pad, ground."
}
],
"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: VDD is described as both 'Supply Power Input' and '5V Regulator Output', but the feature list and co; The center ground pad is not numbered in the datasheet pin table; it is labeled 'Center GND' and giv; These are multi-function pins (GPIO plus alternate output). Type is set to bidirectional for the GPI",
"exposed pad 21 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 24,
"cost_usd": 0.0884,
"at": "2026-10-09T03:41:52"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894197696352256",
"pages": 48,
"sha256": "70ea7a01045ccfb0",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "cp2102n-a02-gqfn20r.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3,
3,
0.52
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "0ee4e1082236390795238cd34b082d96efd160d6292c636cc40201a5a30cdc63",
"checked": "2026-10-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cp2102n-a02-gqfn20r-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3,
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "61a09df5d93b46a497c59f87967f3943c69eeb08dbe31e4d1d11e19b9ba767df",
"checked": "2026-10-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "SKYWORKS SILICON LABS",
"Package": "QFN-20-EP(3x3)",
"Category": "Interface",
"Pins": "21"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
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],
"discovery_pitch": "CP2102N-A02-GQFN20R (SKYWORKS SILICON LABS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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"path": "docs/hero.png"
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"files": [
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"cp2102n-a02-gqfn20r.step",
"cp2102n-a02-gqfn20r.lbr",
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"viewers/symbol.html",
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"visibility": {
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}