LM809M3-4.38

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm809m3-4-38",
  "title": "LM809M3-4.38",
  "brief": "Texas Instruments Supervisor And Reset ICs, SOT-23-3. 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)",
    "lm809m3-4.38",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM809M3-4.38",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm809",
    "parts": {
      "symbol": "lm809m3-4-38.kicad_sym",
      "footprint": "lm809m3-4-38.kicad_mod",
      "model_3d": "lm809m3-4-38-hero.glb",
      "model_3d_plain": "lm809m3-4-38.glb",
      "model_3d_step": "lm809m3-4-38-etched.step",
      "model_3d_step_plain": "lm809m3-4-38.step",
      "lbr": "lm809m3-4-38.lbr"
    },
    "distributor_links": {
      "lcsc": "C701912"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T09:51:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the supervisor."
      },
      {
        "number": "2",
        "name": "RESET",
        "type": "output",
        "description": "Active-low reset output (LM809): RESET remains low while VCC is below the reset threshold and for 240 ms after VCC rises above the reset threshold, with VOL specified at up to 0.4 V at 3.2 mA sink for the 4.38 V version."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage monitored against the factory-programmed reset threshold; recommended input range is 1.2 V to 5.5 V over -40°C to 105°C and the absolute maximum is 6 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: Pin 2 is RESET on the LM809 (active-low), which matches LM809M3-4.38. The LM810 variant has the same; The datasheet lists VCC as type 'I'; it is mapped to KiCad power_in because it is the supply pin. Th; The MPN given (LM809M3-4.38) is listed in the package addendum as LM809M3-4.38/NOPB (SOT-23, DBZ, 3-"
        ],
        "pages_sent": 20,
        "cost_usd": 0.077,
        "at": "2026-10-08T09:51:43"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm809",
        "pages": 20,
        "sha256": "e95efdb789aa7ac6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm809m3-4-38.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm809m3-4-38-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "094c51a41fbbd60bf876b7d4d0e6a83f1b0e9fcae2da633bf408d86718bdceb7",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm809m3-4.38"
  ],
  "discovery_pitch": "LM809M3-4.38 (Texas Instruments) 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",
    "lm809m3-4-38.kicad_sym",
    "lm809m3-4-38.kicad_mod",
    "lm809m3-4-38.glb",
    "lm809m3-4-38.step",
    "lm809m3-4-38.lbr",
    "docs/hero.png",
    "docs/lm809m3-4-38-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm809m3-4-38-hero.glb",
    "lm809m3-4-38-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}