U3115S

{
  "schema_version": 1,
  "type": "component",
  "slug": "u3115s",
  "title": "U3115S",
  "brief": "UNI SEMIC Gate 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",
    "u3115s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "U3115S",
    "manufacturer": "UNI SEMIC",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756968174690406400",
    "parts": {
      "symbol": "u3115s.kicad_sym",
      "footprint": "u3115s.kicad_mod",
      "model_3d": "u3115s-hero.glb",
      "model_3d_plain": "u3115s-etched.glb",
      "model_3d_step": "u3115s-etched.step",
      "model_3d_step_plain": "u3115s.step",
      "lbr": "u3115s.lbr"
    },
    "distributor_links": {
      "lcsc": "C400130"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:59:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Low-side supply and chip power, recommended 9 V to 20 V referenced to COM, with an absolute maximum of -0.3 V to 25 V."
      },
      {
        "number": "2",
        "name": "HIN",
        "type": "input",
        "description": "High-side logic input, active high, compatible with 3.3 V and 5 V logic, with VIH minimum 3.0 V and VIL maximum 0.8 V for VCC 10 V to 20 V."
      },
      {
        "number": "3",
        "name": "LIN",
        "type": "input",
        "description": "Low-side logic input, described in the datasheet as active low for U3115S (the overbar is lost in the extracted text), with VIH minimum 3.0 V and VIL maximum 0.8 V for VCC 10 V to 20 V."
      },
      {
        "number": "4",
        "name": "COM",
        "type": "power_in",
        "description": "Chip ground and the reference for all voltage parameters in the datasheet."
      },
      {
        "number": "5",
        "name": "LO",
        "type": "output",
        "description": "Low-side gate driver output, with VOL maximum 100 mV at Io = 0 A, peak source 1.2 A and peak sink 1.5 A for pulses up to 10 µs."
      },
      {
        "number": "6",
        "name": "VS",
        "type": "power_in",
        "description": "High-side floating ground, with recommended operating range -6 V to 300 V and absolute limits of VB-25 V to VB+0.3 V."
      },
      {
        "number": "7",
        "name": "HO",
        "type": "output",
        "description": "High-side gate driver output referenced to VS, with VOH minimum VBIAS-100 mV at Io = 0 A and peak source 1.2 A and sink 1.5 A for pulses up to 10 µs."
      },
      {
        "number": "8",
        "name": "VB",
        "type": "power_in",
        "description": "High-side floating supply, recommended VS+9 V to VS+20 V, with an absolute maximum of -0.3 V to 325 V."
      }
    ],
    "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 pin 3 entry in the extracted text lists both 'LIN (low active)' and 'LIN (high active)' without ; The datasheet gives one pinout shared by U3115S(D) and U3116S(D). The SOP8 package is the only packa"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0413,
        "at": "2026-10-19T06:56:58"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756968174690406400",
        "pages": 12,
        "sha256": "4a71b865a9c624fc",
        "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": "u3115s.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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "u3115s-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": "114c48f2b7dd799883d145a9d56ebda2b2ec89eb377d3384d234b3840bb3db17",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UNI SEMIC",
      "Package": "SOP-8",
      "Category": "Motor Driver ICs",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "u3115s"
  ],
  "discovery_pitch": "U3115S (UNI SEMIC) 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",
    "u3115s.kicad_sym",
    "u3115s.kicad_mod",
    "u3115s.glb",
    "u3115s.step",
    "u3115s.lbr",
    "docs/hero.png",
    "docs/u3115s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "u3115s-hero.glb",
    "u3115s-hero.overlay.json",
    "u3115s-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}