component
LK118S
Public Made by Adomby adom
LANKE Brushed DC Motor Drivers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481
{
"schema_version": 1,
"type": "component",
"slug": "lk118s",
"title": "LK118S",
"brief": "LANKE Brushed DC Motor Drivers, SOP-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",
"motor driver ics",
"lk118s",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LK118S",
"manufacturer": "LANKE",
"package": "SOP-8",
"pin_count": 8,
"category": "Motor Driver ICs",
"subcategory": "Brushed DC Motor Drivers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040482316136448",
"parts": {
"symbol": "lk118s.kicad_sym",
"footprint": "lk118s.kicad_mod",
"model_3d": "lk118s-hero.glb",
"model_3d_plain": "lk118s-etched.glb",
"model_3d_step": "lk118s-etched.step",
"model_3d_step_plain": "lk118s.step",
"lbr": "lk118s.lbr"
},
"distributor_links": {
"lcsc": "C2984834"
},
"distributor_check": {
"checked_at": "2026-10-18T05:49:44Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "Not connected; the datasheet marks this pin as floating (悬空)."
},
{
"number": "2",
"name": "INA",
"type": "input",
"description": "Logic input A; together with INB it selects the H-bridge state (forward, reverse, standby, brake) per the logic table, with VINH min 2.0 V and VINL max 0.8 V."
},
{
"number": "3",
"name": "INB",
"type": "input",
"description": "Logic input B; together with INA it selects the H-bridge state (forward, reverse, standby, brake) per the logic table, with VINH min 2.0 V and VINL max 0.8 V."
},
{
"number": "4",
"name": "VDD",
"type": "power_in",
"description": "Positive supply pin; recommended operating supply range is 2.2 V to 7.5 V, and absolute maximum VDD is 7.5 V."
},
{
"number": "5",
"name": "OUTB",
"type": "output",
"description": "Full-bridge output B; driven by the internal PMOS/NMOS H-bridge, rated for continuous output current up to 1.6 A and peak 3.0 A."
},
{
"number": "6",
"name": "AGND",
"type": "power_in",
"description": "Ground pin (analog ground per pin name); the datasheet gives no further limits for this pin."
},
{
"number": "7",
"name": "PGND",
"type": "power_in",
"description": "Ground pin (power ground per pin name); the datasheet gives no further limits for this pin."
},
{
"number": "8",
"name": "OUTA",
"type": "output",
"description": "Full-bridge output A; driven by the internal PMOS/NMOS H-bridge, rated for continuous output current up to 1.6 A and peak 3.0 A."
}
],
"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 reference circuit on page 4 labels the supply as VCC (5V5) while the pinout and electrical table; The pinout table only lists both grounds as '地' (ground). The AGND and PGND labels come from the pin"
],
"pages_sent": 5,
"cost_usd": 0.0285,
"at": "2026-10-18T05:47:04"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040482316136448",
"pages": 5,
"sha256": "78d2ffc011112f3b",
"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": "lk118s.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": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lk118s-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": "4f683edd5d7cfb072b8d3750131b9ed49c70d5cf118693f2c8305ead5af49432",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "LANKE",
"Package": "SOP-8",
"Category": "Motor Driver ICs",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "78d2ffc011112f3b99e7c321f9f67c3cd899ccb306aeb941f691ed3f49ab25eb",
"rows": [
{
"name": "Supply voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2.2,
"typ": null,
"max": 7.5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Control input voltage",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Forward/reverse output current",
"symbol": "Iout",
"kind": "recommended_operating",
"unit": "mA",
"min": -1600,
"typ": null,
"max": 1600,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 7.5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power dissipation",
"symbol": "Pd",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 0.9,
"conditions": "SOP-8",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating temperature",
"symbol": "Topr",
"kind": "absolute_maximum",
"unit": "℃",
"min": -20,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction temperature",
"symbol": "Tj",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Hand soldering temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "℃",
"min": 350,
"typ": null,
"max": 370,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak output current",
"symbol": "Iop",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 3,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum continuous output current",
"symbol": "Ioc",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 1.6,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD human body model",
"symbol": "ESD-HBM",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 2000,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "High-level input voltage",
"symbol": "VINH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Low-level input voltage",
"symbol": "VINL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "High-level input current",
"symbol": "IINH",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 5,
"max": 20,
"conditions": "VIN=3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Low-level input current",
"symbol": "IINL",
"kind": "electrical",
"unit": "uA",
"min": -1,
"typ": 0,
"max": null,
"conditions": "VIN=0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Circuit off current",
"symbol": "ICCST",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 0,
"max": 1,
"conditions": "INA=INB=0",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating current",
"symbol": "ICC",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 70,
"max": 100,
"conditions": "INA=H, INB=L or INA=L, INB=H or INA=H, INB=H",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output on-resistance",
"symbol": "RON",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 0.45,
"max": 0.6,
"conditions": "VCC=7.5V, Io=±200mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Pull-down resistance",
"symbol": "RIN",
"kind": "electrical",
"unit": "MΩ",
"min": null,
"typ": 1.5,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Thermal resistance, junction to ambient",
"symbol": "θJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 130,
"max": null,
"conditions": "SOP-8",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lk118s"
],
"discovery_pitch": "LK118S (LANKE) 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",
"lk118s.kicad_sym",
"lk118s.kicad_mod",
"lk118s.glb",
"lk118s.step",
"lk118s.lbr",
"docs/hero.png",
"docs/lk118s-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lk118s-hero.glb",
"lk118s-hero.overlay.json",
"lk118s-etched.glb"
],
"visibility": {
"public": true
}
}