component
AW20144QNR
Public Made by Adomby adom
AWINIC(艾为) LED Drivers, QFN-40L(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859
{
"schema_version": 1,
"type": "component",
"slug": "aw20144qnr",
"title": "AW20144QNR",
"brief": "AWINIC(艾为) LED Drivers, QFN-40L(5x5). 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",
"led drivers",
"aw20144qnr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "AW20144QNR",
"manufacturer": "AWINIC(艾为)",
"package": "QFN-40L(5x5)",
"pin_count": 41,
"category": "LED Drivers",
"subcategory": "LED Drivers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589835726562504704",
"parts": {
"symbol": "aw20144qnr.kicad_sym",
"footprint": "aw20144qnr.kicad_mod",
"model_3d": "aw20144qnr-hero.glb",
"model_3d_plain": "aw20144qnr-etched.glb",
"model_3d_step": "aw20144qnr-etched.step",
"model_3d_step_plain": "aw20144qnr.step",
"lbr": "aw20144qnr.lbr"
},
"distributor_links": {
"lcsc": "C5213909"
},
"distributor_check": {
"checked_at": "2026-10-21T00:04:27Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "SW8",
"type": "output",
"description": "Current switch SW8 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF)."
},
{
"number": "2",
"name": "SW6",
"type": "output",
"description": "Current switch SW6 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF)."
},
{
"number": "3",
"name": "SW4",
"type": "output",
"description": "Current switch SW4 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF)."
},
{
"number": "4",
"name": "SW2",
"type": "output",
"description": "Current switch SW2 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF)."
},
{
"number": "5",
"name": "PVCC",
"type": "power_in",
"description": "Current source power supply, 2.7 V to 5.5 V; PVCC and VCC should use the same supply to avoid additional ISD."
},
{
"number": "6",
"name": "SW1",
"type": "output",
"description": "Current switch SW1 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF)."
},
{
"number": "7",
"name": "SW3",
"type": "output",
"description": "Current switch SW3 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF)."
},
{
"number": "8",
"name": "SW5",
"type": "output",
"description": "Current switch SW5 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF)."
},
{
"number": "9",
"name": "SW7",
"type": "output",
"description": "Current switch SW7 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF)."
},
{
"number": "10",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "11",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "12",
"name": "CS18",
"type": "output",
"description": "Current sink CS18 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "13",
"name": "CS17",
"type": "output",
"description": "Current sink CS17 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "14",
"name": "CS16",
"type": "output",
"description": "Current sink CS16 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "15",
"name": "CS15",
"type": "output",
"description": "Current sink CS15 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "16",
"name": "PGND",
"type": "power_in",
"description": "Power ground."
},
{
"number": "17",
"name": "CS14",
"type": "output",
"description": "Current sink CS14 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "18",
"name": "CS13",
"type": "output",
"description": "Current sink CS13 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "19",
"name": "CS12",
"type": "output",
"description": "Current sink CS12 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "20",
"name": "CS11",
"type": "output",
"description": "Current sink CS11 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "21",
"name": "CS10",
"type": "output",
"description": "Current sink CS10 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "22",
"name": "VCC",
"type": "power_in",
"description": "Power supply, 2.7 V to 5.5 V; should use the same supply as PVCC."
},
{
"number": "23",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "24",
"name": "AD1",
"type": "input",
"description": "I2C address select pin 1, one of two pins used to select among the 16 selectable I2C addresses."
},
{
"number": "25",
"name": "AD0",
"type": "input",
"description": "I2C address select pin 0, one of two pins used to select among the 16 selectable I2C addresses."
},
{
"number": "26",
"name": "EN",
"type": "input",
"description": "Standby the device when EN is low; internally pulled down to GND with a 1 MΩ resistor."
},
{
"number": "27",
"name": "SCL",
"type": "input",
"description": "Serial clock input for the 1 MHz I2C interface."
},
{
"number": "28",
"name": "SDA",
"type": "bidirectional",
"description": "Serial data I/O for the I2C interface."
},
{
"number": "29",
"name": "ISET",
"type": "passive",
"description": "Sets global LED current through external resistor REXT; with REXT = 10 kΩ, global LED current is 40 mA."
},
{
"number": "30",
"name": "SYNC",
"type": "bidirectional",
"description": "Synchronization pin for clock synchronization across multiple devices; internally pulled down to GND with a 1 MΩ resistor."
},
{
"number": "31",
"name": "CS9",
"type": "output",
"description": "Current sink CS9 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "32",
"name": "CS8",
"type": "output",
"description": "Current sink CS8 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "33",
"name": "CS7",
"type": "output",
"description": "Current sink CS7 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "34",
"name": "CS6",
"type": "output",
"description": "Current sink CS6 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "35",
"name": "CS5",
"type": "output",
"description": "Current sink CS5 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "36",
"name": "CS4",
"type": "output",
"description": "Current sink CS4 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "37",
"name": "CS3",
"type": "output",
"description": "Current sink CS3 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "38",
"name": "CS2",
"type": "output",
"description": "Current sink CS2 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "39",
"name": "CS1",
"type": "output",
"description": "Current sink CS1 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC."
},
{
"number": "40",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "41",
"name": "GND",
"type": "power_in",
"description": "Thermal pad, to be connected to GND."
}
],
"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: Pin-to-name mapping for the SW and CS pins is taken from the sequential ranges in the PIN DEFINITION; SYNC (pin 30) type is ambiguous: the datasheet describes it only as a synchronization pin for multi-; The SW and CS pin descriptions include the headroom and voltage limits stated in the ELECTRICAL CHAR"
],
"pages_sent": 10,
"cost_usd": 0.0647,
"at": "2026-10-21T00:01:44"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589835726562504704",
"pages": 40,
"sha256": "087772c483f78a7a",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 41,
"described": 41,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "aw20144qnr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "8f37bc7a9aab4742c34f137d9822c0352acc227532830034555744338483cdfc",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "aw20144qnr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3050d79812efd78e5b414ec50b1a68f5daf09f0e1000e79ed7bbd99ca0f72a4a",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "AWINIC(艾为)",
"Package": "QFN-40L(5x5)",
"Category": "LED Drivers",
"Pins": "41"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "087772c483f78a7a3903aca47d164a832918f81c51783282c6dd87eba7f9a59a",
"rows": [
{
"name": "Input operating range (VCC)",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Maximum sink current (CS1~CS18)",
"symbol": "IMAX",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 40,
"conditions": "VLED=0.5V, GCC= 0xFF, SL= 0xFF",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Current switch headroom voltage SWx",
"symbol": "VHR",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 750,
"conditions": "ISWITCH=720mA, GCC=0xFF, SL=0xFF",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Current sink headroom voltage CSx",
"symbol": "VHR",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 300,
"conditions": "ISINK=40mA, GCC=0xFF, SL=0xFF",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Standby current",
"symbol": "ISTB_VCC",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 1.3,
"conditions": "VEN =0V or CHIPEN = 0",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Quiescent current in active mode",
"symbol": "IACT_VCC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 1.8,
"conditions": "VEN=VCC,CHIPEN=1, all LEDs off",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Internal sink current limit (REXT=0, UVCR.OCPTH=0)",
"symbol": "ILIM",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 75,
"conditions": "REXT=0,UVCR.OCPTH=0",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Internal sink current limit (REXT=0, UVCR.OCPTH=1)",
"symbol": "ILIM",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 120,
"conditions": "REXT=0,UVCR.OCPTH=1",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Device to device current error",
"symbol": "IMATCH",
"kind": "tolerance",
"unit": "%",
"min": -5,
"typ": null,
"max": 5,
"conditions": "All Channels' current set to 40mA",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Channel to channel current error",
"symbol": "ΔILED",
"kind": "tolerance",
"unit": "%",
"min": -5,
"typ": null,
"max": 5,
"conditions": "All Channels' current set to 40mA",
"source_page": 7,
"source": "datasheet"
},
{
"name": "OSC clock frequency",
"symbol": "FOSC",
"kind": "electrical",
"unit": "MHz",
"min": 14.88,
"typ": 16,
"max": 17.12,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Thermal shutdown threshold",
"symbol": "TSD",
"kind": "thermal",
"unit": "°C",
"min": null,
"typ": 165,
"max": null,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Thermal shutdown hysteresis",
"symbol": "TSD",
"kind": "thermal",
"unit": "°C",
"min": null,
"typ": 25,
"max": null,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Input logic low (LGC=0)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "VCC=2.7V~5.5V,LGC=0",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Input logic high (LGC=0)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 1.4,
"typ": null,
"max": null,
"conditions": "VCC=2.7V~5.5V,LGC=0",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Input logic low (LGC=1)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.6,
"conditions": "VCC=2.7V~5.5V,LGC=1",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Input logic high (LGC=1)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": null,
"max": null,
"conditions": "VCC=2.7V~5.5V,LGC=1",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Period of scanning",
"symbol": "TSCAN",
"kind": "timing",
"unit": "μs",
"min": null,
"typ": 144,
"max": null,
"conditions": "PCCR.PWMFRQ[2:0] = 000, GCR.SWSEL[3:0] = 0111",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Non-overlap time between SW",
"symbol": "TDG",
"kind": "timing",
"unit": "μs",
"min": null,
"typ": 1,
"max": null,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Delay time between the falling edge of CS18 and SWx",
"symbol": "THOLD",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 125,
"max": null,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Delay time between the rising edge of SWx and CS1",
"symbol": "TSETUP",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 250,
"max": null,
"conditions": "PCCR.PWMFRQ[2:0] = 000",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Delay time of each CS group (6 groups of CS)",
"symbol": "TDLY",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 125,
"max": null,
"conditions": "PCCR.PWMFRQ[2:0] = 000",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Supply voltage range VCC",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Supply voltage range PVCC",
"symbol": "PVCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Input voltage range SCL, SDA, EN, AD0, AD1",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Upper limit printed as VCC",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output voltage range SW1~SW8",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Upper limit printed as PVCC",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output voltage range CS1~CS18",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Upper limit printed as VCC",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Voltage on ISET",
"symbol": "ISET",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Junction-to-ambient thermal resistance",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 33,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Operating free-air temperature range",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Maximum operating junction temperature",
"symbol": "TJMAX",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 160,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Lead temperature (soldering)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "Soldering 10 seconds",
"source_page": 6,
"source": "datasheet"
},
{
"name": "ESD HBM",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -2000,
"typ": null,
"max": 2000,
"conditions": "ESDA/JEDEC JS-001-2017, 100pF through 1.5kΩ",
"source_page": 6,
"source": "datasheet"
},
{
"name": "ESD CDM",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -1500,
"typ": null,
"max": 1500,
"conditions": "ESDA/JEDEC JS-002-2018",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Latch-up",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": -200,
"typ": null,
"max": 200,
"conditions": "Test condition JESD78E, ±IT",
"source_page": 6,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"aw20144qnr"
],
"discovery_pitch": "AW20144QNR (AWINIC(艾为)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"aw20144qnr.kicad_sym",
"aw20144qnr.kicad_mod",
"aw20144qnr.glb",
"aw20144qnr.step",
"aw20144qnr.lbr",
"docs/hero.png",
"docs/aw20144qnr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"aw20144qnr-hero.glb",
"aw20144qnr-hero.overlay.json",
"aw20144qnr-etched.glb"
],
"visibility": {
"public": true
}
}