component
LM5163QDDARQ1
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887
{
"schema_version": 1,
"type": "component",
"slug": "lm5163qddarq1",
"title": "LM5163QDDARQ1",
"brief": "Texas Instruments DC-DC Converters, SO-8. 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",
"power supply chip",
"lm5163qddarq1",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LM5163QDDARQ1",
"manufacturer": "Texas Instruments",
"package": "SO-8",
"pin_count": 8,
"category": "Power Supply Chip",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/cn/lit/gpn/lm5163-q1",
"parts": {
"symbol": "lm5163qddarq1.kicad_sym",
"footprint": "lm5163qddarq1.kicad_mod",
"model_3d": "lm5163qddarq1-hero.glb",
"model_3d_plain": "lm5163qddarq1-etched.glb",
"model_3d_step": "lm5163qddarq1-etched.step",
"model_3d_step_plain": "lm5163qddarq1.step",
"lbr": "lm5163qddarq1.lbr"
},
"distributor_links": {
"lcsc": "C2877984"
},
"distributor_check": {
"checked_at": "2026-10-22T20:30:33Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground connection for internal circuits."
},
{
"number": "2",
"name": "VIN",
"type": "power_in",
"description": "Regulator supply input pin to the high-side power MOSFET and internal bias regulator; connect directly to the buck converter input supply with short, low impedance paths (6 V to 100 V operating, abs max 100 V)."
},
{
"number": "3",
"name": "EN/UVLO",
"type": "input",
"description": "Precision enable and UVLO programming pin: below 1.1 V the converter is in shutdown, between 1.1 V and 1.5 V it is in standby with VCC regulator operational and no switching, above 1.5 V start-up begins."
},
{
"number": "4",
"name": "RON",
"type": "input",
"description": "On-time programming pin; a resistor between this pin and GND sets the buck switch on-time."
},
{
"number": "5",
"name": "FB",
"type": "input",
"description": "Feedback input of the voltage regulation comparator."
},
{
"number": "6",
"name": "PGOOD",
"type": "output",
"description": "Open-drain power good indicator; connect to a source voltage through an external pullup resistor between 10 kΩ and 100 kΩ."
},
{
"number": "7",
"name": "BST",
"type": "power_in",
"description": "Bootstrap gate-drive supply; requires a high-quality 2.2-nF 50-V X7R ceramic capacitor between BST and SW to bias the internal high-side gate driver."
},
{
"number": "8",
"name": "SW",
"type": "power_out",
"description": "Switching node internally connected to the source of the high-side NMOS buck switch and the drain of the low-side NMOS synchronous rectifier; connect to the power inductor switching node."
}
],
"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: EP pad number is printed as '—' in the pin table; 'EP' label used from the package drawing. Pin type"
],
"pages_sent": 9,
"cost_usd": 0.0897,
"at": "2026-10-22T20:29:53"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/lm5163-q1",
"pages": 34,
"sha256": "efed6596127320d7",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "lm5163qddarq1.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lm5163qddarq1-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "dbfd5280cd0869f5fd46f21a3400cbe84f9e08cba98ed7a3444b234155269e5b",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SO-8",
"Category": "Power Supply Chip",
"Pins": "8"
},
"appearance": {
"contacts": {
"quote": "Exposed pad of the package. No internal electrical connection. Solder the EP to the GND pin and connect to a large copper plane to reduce thermal resistance.",
"page": 3,
"doc": "ds.pdf",
"material": "copper"
},
"version": 1,
"datasheet_sha256": "efed6596127320d719ad4f89ccd480867198077a6a122702a366f86e893befeb"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "efed6596127320d719ad4f89ccd480867198077a6a122702a366f86e893befeb",
"rows": [
{
"name": "VIN to GND",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "EN to GND",
"symbol": "EN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "FB to GND",
"symbol": "FB",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "RON to GND",
"symbol": "RON",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "External BST to SW capacitance",
"symbol": "CBST",
"kind": "absolute_maximum",
"unit": "nF",
"min": 1.5,
"typ": null,
"max": 2.5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "BST to GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 105.5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "BST to SW",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "SW to GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -1.5,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "SW to GND (20-ns transient)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -3,
"typ": null,
"max": null,
"conditions": "20-ns transient",
"source_page": 4,
"source": "datasheet"
},
{
"name": "PGOOD to GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 14,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD HBM",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -2000,
"typ": null,
"max": 2000,
"conditions": "HBM, all pins",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD CDM",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -500,
"typ": null,
"max": 500,
"conditions": "All pins except 1, 4, 5, and 8",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD CDM",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -750,
"typ": null,
"max": 750,
"conditions": "Pins 1, 4, 5, and 8",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": 6,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Switch node voltage",
"symbol": "VSW",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Enable voltage",
"symbol": "VEN/UVLO",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Load current",
"symbol": "ILOAD",
"kind": "recommended_operating",
"unit": "A",
"min": null,
"typ": 0.5,
"max": 0.6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Switching frequency",
"symbol": "FSW",
"kind": "recommended_operating",
"unit": "kHz",
"min": null,
"typ": null,
"max": 1000,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "External BST to SW capacitance",
"symbol": "CBST",
"kind": "recommended_operating",
"unit": "nF",
"min": null,
"typ": 2.2,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Programmable on-time",
"symbol": "tON",
"kind": "recommended_operating",
"unit": "ns",
"min": 50,
"typ": null,
"max": 10000,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction-to-ambient thermal resistance",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 43.4,
"max": null,
"conditions": "DDA, 8 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-case (top) thermal resistance",
"symbol": "RθJC(top)",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 59.5,
"max": null,
"conditions": "DDA, 8 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-board thermal resistance",
"symbol": "RθJB",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 16.1,
"max": null,
"conditions": "DDA, 8 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-top characterization parameter",
"symbol": "ΨJT",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 4,
"max": null,
"conditions": "DDA, 8 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-board characterization parameter",
"symbol": "ΨJB",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 16.3,
"max": null,
"conditions": "DDA, 8 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-case (bottom) thermal resistance",
"symbol": "RθJC(bot)",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 3.9,
"max": null,
"conditions": "DDA, 8 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VIN shutdown current",
"symbol": "IQ-SHUTDOWN",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 3,
"max": 15,
"conditions": "VEN = 0 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VIN sleep current",
"symbol": "IQ-SLEEP1",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 10.5,
"max": 25,
"conditions": "VEN = 2.5 V, VFB = 1.5 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VIN active current",
"symbol": "IQ-ACTIVE",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 600,
"max": 880,
"conditions": "VEN = 2.5 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Shutdown threshold rising",
"symbol": "VSD-RISING",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.1,
"max": null,
"conditions": "VEN/UVLO rising",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Shutdown threshold falling",
"symbol": "VSD-FALLING",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.45,
"max": null,
"conditions": "VEN/UVLO falling",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Enable threshold rising",
"symbol": "VEN-RISING",
"kind": "electrical",
"unit": "V",
"min": 1.45,
"typ": 1.5,
"max": 1.55,
"conditions": "VEN/UVLO rising",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Enable threshold falling",
"symbol": "VEN-FALLING",
"kind": "electrical",
"unit": "V",
"min": 1.35,
"typ": 1.4,
"max": 1.44,
"conditions": "VEN/UVLO falling",
"source_page": 5,
"source": "datasheet"
},
{
"name": "FB regulation voltage",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 1.181,
"typ": 1.2,
"max": 1.218,
"conditions": "VFB falling",
"source_page": 5,
"source": "datasheet"
},
{
"name": "On-time1",
"symbol": "tON1",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 5000,
"max": null,
"conditions": "VVIN = 6 V, RRON = 75 kΩ",
"source_page": 5,
"source": "datasheet"
},
{
"name": "On-time2",
"symbol": "tON2",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 1650,
"max": null,
"conditions": "VVIN = 6 V, RRON = 25 kΩ",
"source_page": 5,
"source": "datasheet"
},
{
"name": "On-time3",
"symbol": "tON3",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 2550,
"max": null,
"conditions": "VVIN = 12 V, RRON = 75 kΩ",
"source_page": 5,
"source": "datasheet"
},
{
"name": "On-time4",
"symbol": "tON4",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 830,
"max": null,
"conditions": "VVIN = 12 V, RRON = 25 kΩ",
"source_page": 5,
"source": "datasheet"
},
{
"name": "FB upper threshold for PGOOD high to low",
"symbol": "VPG-UTH",
"kind": "electrical",
"unit": "V",
"min": 1.105,
"typ": 1.14,
"max": 1.175,
"conditions": "VFB rising",
"source_page": 5,
"source": "datasheet"
},
{
"name": "FB lower threshold for PGOOD high to low",
"symbol": "VPG-LTH",
"kind": "electrical",
"unit": "V",
"min": 1.055,
"typ": 1.08,
"max": 1.1,
"conditions": "VFB falling",
"source_page": 5,
"source": "datasheet"
},
{
"name": "PGOOD threshold hysteresis",
"symbol": "VPG-HYS",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 60,
"max": null,
"conditions": "VFB falling",
"source_page": 5,
"source": "datasheet"
},
{
"name": "PGOOD pulldown resistance",
"symbol": "RPG",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 30,
"max": null,
"conditions": "VFB = 1 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Gate drive UVLO",
"symbol": "VBST-UV",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 2.7,
"max": 3.4,
"conditions": "VBST rising",
"source_page": 5,
"source": "datasheet"
},
{
"name": "High-side MOSFET RDSON",
"symbol": "RDSON-HS",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 0.725,
"max": null,
"conditions": "ISW = –100 mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Low-side MOSFET RDSON",
"symbol": "RDSON-LS",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 0.33,
"max": null,
"conditions": "ISW = 100 mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Internal soft-start time",
"symbol": "tSS",
"kind": "timing",
"unit": "ms",
"min": 1.75,
"typ": 3,
"max": 4.75,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Peak current limit threshold (HS)",
"symbol": "IPEAK1",
"kind": "electrical",
"unit": "A",
"min": 0.63,
"typ": 0.75,
"max": 0.87,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Peak current limit threshold (LS)",
"symbol": "IPEAK2",
"kind": "electrical",
"unit": "A",
"min": 0.63,
"typ": 0.75,
"max": 0.87,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Min of (IPEAK1 or IPEAK2) minus IVALLEY",
"symbol": "IDELTA-ILIM",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 100,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Valley current limit threshold",
"symbol": "IVALLEY",
"kind": "electrical",
"unit": "A",
"min": 0.5,
"typ": 0.6,
"max": 0.72,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Thermal shutdown threshold",
"symbol": "TSD",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 175,
"max": null,
"conditions": "TJ rising",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Thermal shutdown hysteresis",
"symbol": "TSD-HYS",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 10,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lm5163qddarq1"
],
"discovery_pitch": "LM5163QDDARQ1 (Texas Instruments) 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",
"lm5163qddarq1.kicad_sym",
"lm5163qddarq1.kicad_mod",
"lm5163qddarq1.glb",
"lm5163qddarq1.step",
"lm5163qddarq1.lbr",
"docs/hero.png",
"docs/lm5163qddarq1-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lm5163qddarq1-hero.glb",
"lm5163qddarq1-hero.overlay.json",
"lm5163qddarq1-etched.glb"
],
"visibility": {
"public": true
}
}