LK118S

{
  "slug": "lk118s",
  "version": "0.1.0",
  "type": "component",
  "description": "LANKE Brushed DC Motor Drivers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "lk118s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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"
  ],
  "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": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "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": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4f683edd5d7cfb072b8d3750131b9ed49c70d5cf118693f2c8305ead5af49432",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}