L4949EDTR-E

{
  "schema_version": 1,
  "type": "component",
  "slug": "l4949edtr-e",
  "title": "L4949EDTR-E",
  "brief": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SO-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",
    "power management (pmic)",
    "l4949edtr-e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "L4949EDTR-E",
    "manufacturer": "STMicroelectronics",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588902666756243456",
    "parts": {
      "symbol": "l4949edtr-e.kicad_sym",
      "footprint": "l4949edtr-e.kicad_mod",
      "model_3d": "l4949edtr-e-hero.glb",
      "model_3d_plain": "l4949edtr-e.glb",
      "model_3d_step": "l4949edtr-e-etched.step",
      "model_3d_step_plain": "l4949edtr-e.step",
      "lbr": "l4949edtr-e.lbr"
    },
    "distributor_links": {
      "lcsc": 262890,
      "digikey": "497-13066-2-ND",
      "mouser": "511-L4949EDTR-E"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T09:30:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-13066-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-L4949EDTR-E",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VS",
        "type": "power_in",
        "description": "Supply input voltage ranging from 5V to 28V; must be blocked to GND via external capacitor."
      },
      {
        "number": "2",
        "name": "SI",
        "type": "input",
        "description": "Sense input for monitoring input voltage; connect via external voltage divider to VS and GND."
      },
      {
        "number": "3",
        "name": "VZ",
        "type": "power_out",
        "description": "Preregulator output voltage stabilized to 5V with maximum output current of 10 µA."
      },
      {
        "number": "4",
        "name": "CT",
        "type": "input",
        "description": "Reset pulse delay adjustment pin; connect external capacitor to GND to set delay time."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference, common return path."
      },
      {
        "number": "6",
        "name": "RES",
        "type": "output",
        "description": "Reset output (open-drain) pulled low when output voltage drops below 4.5V threshold."
      },
      {
        "number": "7",
        "name": "SO",
        "type": "output",
        "description": "Sense output (open-drain) pulled low when sense input voltage drops below 1.23V threshold."
      },
      {
        "number": "8",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage nominally 5V with ±1% accuracy at 1 mA load; block to GND via external capacitor."
      }
    ],
    "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": 19,
        "cost_usd": 0.0912,
        "at": "2026-10-03T09:30:24"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588902666756243456",
        "pages": 19,
        "sha256": "eb565c8e521260c1",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SO-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "l4949edtr-e"
  ],
  "discovery_pitch": "L4949EDTR-E (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",
    "l4949edtr-e.kicad_sym",
    "l4949edtr-e.kicad_mod",
    "l4949edtr-e.glb",
    "l4949edtr-e.step",
    "l4949edtr-e.lbr",
    "docs/hero.png",
    "docs/l4949edtr-e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "l4949edtr-e-hero.glb",
    "l4949edtr-e-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}