LKS523

{
  "schema_version": 1,
  "type": "component",
  "slug": "lks523",
  "title": "LKS523",
  "brief": "LINKOSEMI Isolators - Gate Drivers, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "lks523"
  ],
  "component": {
    "mpn": "LKS523",
    "manufacturer": "LINKOSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "Isolators - Gate Drivers",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2402210952_LINKOSEMI-LKS523_C6337451.pdf",
    "parts": {
      "symbol": "lks523.kicad_sym",
      "footprint": "lks523.kicad_mod",
      "model_3d": "lks523-etched.glb",
      "model_3d_plain": "lks523.glb",
      "model_3d_step": "lks523-etched.step",
      "model_3d_step_plain": "lks523.step",
      "lbr": "lks523.lbr"
    },
    "distributor_links": {
      "lcsc": "C6337451"
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Low-side and logic supply voltage. Recommended operating range 10V to 20V (absolute max 25V). Provides the internal logic bias and low-side gate drive rail."
      },
      {
        "number": "2",
        "name": "HIN",
        "type": "input",
        "description": "Logic input for the high-side driver channel. Compatible with 3.3V/5V/15V logic (VIH >= 2.4V, VIL <= 0.6V). Referenced to COM."
      },
      {
        "number": "3",
        "name": "LIN",
        "type": "input",
        "description": "Logic input for the low-side driver channel. Compatible with 3.3V/5V/15V logic (VIH >= 2.4V, VIL <= 0.6V). Referenced to COM."
      },
      {
        "number": "4",
        "name": "COM",
        "type": "power_in",
        "description": "Logic ground and low-side driver return. Common reference for VCC, HIN, LIN, and the LO output."
      },
      {
        "number": "5",
        "name": "LO",
        "type": "output",
        "description": "Low-side gate driver output. Drives the gate of the low-side N-channel MOSFET/IGBT; swings between COM and VCC. Typical peak sink/source ~800mA/1.2A."
      },
      {
        "number": "6",
        "name": "VS",
        "type": "power_in",
        "description": "High-side driver floating return (source of the high-side MOSFET / emitter of the IGBT). Offset voltage range -5V to 600V; allowable dVs/dt = 50 V/ns."
      },
      {
        "number": "7",
        "name": "HO",
        "type": "output",
        "description": "High-side floating gate driver output. Drives the high-side N-channel MOSFET/IGBT gate; swings between VS and VB."
      },
      {
        "number": "8",
        "name": "VB",
        "type": "power_in",
        "description": "High-side floating supply (bootstrap). Recommended VB = VS + 10V to VS + 20V (absolute max 625V referenced to COM). Typically supplied via a bootstrap diode and capacitor from VCC."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2402210952_LINKOSEMI-LKS523_C6337451.pdf",
        "pages": 12,
        "sha256": "25023009ae00348c",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LINKOSEMI",
      "Package": "SOP-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lks523"
  ],
  "discovery_pitch": "LKS523 (LINKOSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lks523.kicad_sym",
    "lks523.kicad_mod",
    "lks523.glb",
    "lks523.step",
    "lks523.lbr",
    "docs/hero.png",
    "docs/lks523-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lks523-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LKS523",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T00:01:05.027Z"
}