L6599AD

{
  "schema_version": 1,
  "type": "component",
  "slug": "l6599ad",
  "title": "L6599AD",
  "brief": "STMicroelectronics AC-DC Controllers And Regulators, SO-16. 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 management (pmic)",
    "l6599ad",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "L6599AD",
    "manufacturer": "STMicroelectronics",
    "package": "SO-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590456535609606144",
    "parts": {
      "symbol": "l6599ad.kicad_sym",
      "footprint": "l6599ad.kicad_mod",
      "model_3d": "l6599ad-hero.glb",
      "model_3d_plain": "l6599ad.glb",
      "model_3d_step": "l6599ad-etched.step",
      "model_3d_step_plain": "l6599ad.step",
      "lbr": "l6599ad.lbr"
    },
    "distributor_links": {
      "lcsc": "C2969779",
      "digikey": "497-14782-5-ND",
      "mouser": "511-L6599AD"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T20:32:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-14782-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-L6599AD",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Css",
        "type": "input",
        "description": "Soft-start capacitor terminal; external RC network sets maximum frequency and soft-start duration, internally discharged on shutdown or overcurrent."
      },
      {
        "number": "2",
        "name": "DELAY",
        "type": "input",
        "description": "Overcurrent delay timing capacitor; charged by 150µA internal generator, IC shuts down at 3.5V and soft-restarts below 0.3V."
      },
      {
        "number": "3",
        "name": "CF",
        "type": "output",
        "description": "Oscillator timing capacitor; charged and discharged by internal current generators to set switching frequency."
      },
      {
        "number": "4",
        "name": "RFmin",
        "type": "output",
        "description": "Frequency setting reference; provides 2V precision reference for external RC frequency-setting network and optocoupler feedback control."
      },
      {
        "number": "5",
        "name": "STBY",
        "type": "input",
        "description": "Burst mode threshold input; IC enters idle state if voltage below 1.24V reference and restarts when voltage exceeds 1.29V threshold."
      },
      {
        "number": "6",
        "name": "ISEN",
        "type": "input",
        "description": "Primary current sense input; filtered average current signal compared to 0.8V threshold (50mV hysteresis) for frequency shift and 1.5V for latched shutdown."
      },
      {
        "number": "7",
        "name": "LINE",
        "type": "input",
        "description": "Line sensing input for brownout protection; IC shuts down at voltage below 1.24V with 13µA hysteresis and at voltage above 6V internal Zener."
      },
      {
        "number": "8",
        "name": "DIS",
        "type": "input",
        "description": "Latched device shutdown input; voltage above 1.85V latches IC off and discharges soft-start, requiring VCC power cycle below UVLO to restart."
      },
      {
        "number": "9",
        "name": "PFC_STOP",
        "type": "tri_state",
        "description": "Open-drain PFC controller stop output; pulled low when DIS latches, ISEN latches, LINE exceeds 6V, STBY below 1.24V, or DELAY exceeds 2V."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground and current return for both low-side gate driver and IC bias circuits; must be separate from pulsed current returns."
      },
      {
        "number": "11",
        "name": "LVG",
        "type": "output",
        "description": "Low-side gate-drive output with 0.3A minimum source and 0.8A minimum sink peak current capability, actively pulled to GND during UVLO."
      },
      {
        "number": "12",
        "name": "Vcc",
        "type": "power_in",
        "description": "IC supply voltage for signal circuits and low-side gate driver; 0.1µF bypass capacitor to GND recommended."
      },
      {
        "number": "13",
        "name": "N.C.",
        "type": "unconnected",
        "description": "High-voltage spacer pin not internally connected to isolate high-voltage pins and ensure compliance with PCB creepage distance safety requirements."
      },
      {
        "number": "14",
        "name": "OUT",
        "type": "power_in",
        "description": "High-side gate-drive floating ground reference; current return for high-side gate driver, layout carefully to minimize voltage spikes."
      },
      {
        "number": "15",
        "name": "HVG",
        "type": "output",
        "description": "High-side floating gate-drive output with 0.3A minimum source and 0.8A minimum sink peak current, internally resistively pulled to OUT during UVLO."
      },
      {
        "number": "16",
        "name": "VBOOT",
        "type": "power_in",
        "description": "High-side gate-drive floating supply voltage; bootstrap capacitor connection between VBOOT and OUT, fed by internal synchronous bootstrap diode."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 13,
        "cost_usd": 0.1501,
        "at": "2026-10-05T20:32:36"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590456535609606144",
        "pages": 37,
        "sha256": "94697ab5d2699acc",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SO-16",
      "Category": "Power Management (PMIC)",
      "Pins": "16"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "l6599ad"
  ],
  "discovery_pitch": "L6599AD (STMicroelectronics) 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",
    "l6599ad.kicad_sym",
    "l6599ad.kicad_mod",
    "l6599ad.glb",
    "l6599ad.step",
    "l6599ad.lbr",
    "docs/hero.png",
    "docs/l6599ad-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "l6599ad-hero.glb",
    "l6599ad-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}