STWD100NYWY3F

{
  "schema_version": 1,
  "type": "component",
  "slug": "stwd100nywy3f",
  "title": "STWD100NYWY3F",
  "brief": "STWD100NYWY3F with source-traceable pin map and explicitly nominal drawing-led CAD.",
  "version": "0.2.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "stwd100nywy3f"
  ],
  "component": {
    "mpn": "STWD100NYWY3F",
    "manufacturer": "STMicroelectronics",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "Supervisor and Reset ICs",
    "datasheet": "https://www.st.com/resource/en/datasheet/stwd100nywy3f.pdf",
    "parts": {
      "symbol": "stwd100nywy3f.kicad_sym",
      "footprint": "stwd100nywy3f.kicad_mod",
      "model_3d": "stwd100nywy3f-hero.glb",
      "model_3d_plain": "stwd100nywy3f-etched.glb",
      "model_3d_step": "stwd100nywy3f-etched.step",
      "model_3d_step_plain": "stwd100nywy3f.step",
      "lbr": "stwd100nywy3f.lbr",
      "model_3d_unmarked": "stwd100nywy3f.glb"
    },
    "distributor_links": {
      "lcsc": "C46043"
    },
    "pins": [
      {
        "number": "1",
        "name": "WDO",
        "type": "output",
        "description": "Active-low watchdog output. Asserted low when the internal watchdog timer expires without being cleared. Available as open-drain (requires external pull-up, e.g. 10 kΩ to a supply up to 6 V) or push-pull depending on device suffix."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Active-low chip enable input. When low the watchdog is enabled; when high the watchdog is disabled. Has an internal pull-down to GND, so the device is enabled if EN is left floating. Pulses ≥1 µs are detected; glitches shorter than 100 ns are ignored."
      },
      {
        "number": "4",
        "name": "WDI",
        "type": "input",
        "description": "Watchdog input. Must be toggled within the watchdog timeout period tWD to clear the internal timer, otherwise WDO is asserted. Low-to-high transitions reset the timer on all versions; high-to-low transitions also reset it on STWD100xW/xX/xY. Pulses ≥1 µs are detected; glitches shorter than 100 ns are ignored."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input. Watchdog timer starts running once VCC rises above the startup voltage VSTART (~2.2 V). Typical operating current 13 µA."
      }
    ],
    "provenance": {
      "record": "provenance-correction.json",
      "cad": "Original Adom nominal reconstruction, not manufacturer CAD",
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/stwd100.pdf",
        "mirrorSha256": "19da7a7a2693f2c93754bc73acaf8f638c1a4bdae8788b1b006f3ff8d86ab13a"
      },
      "historical": {
        "extractor": "ds2sf",
        "datasheet": {
          "url": "https://www.st.com/resource/en/datasheet/stwd100nywy3f.pdf",
          "pages": 25,
          "sha256": "19da7a7a2693f2c9",
          "source_tier": "mfr"
        },
        "cad": "KiCad official (CC-BY-SA 4.0)",
        "pins": {
          "total": 5,
          "described": 5,
          "cites_pages": true,
          "refuses_to_fabricate": true
        }
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "stwd100nywy3f.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "extents_mm": [
          2.8,
          2.9,
          1.2
        ],
        "zmin_mm": 0,
        "origin": "pad-pattern centre",
        "sha256": "7d081246e57cfb3fd4f29e0b47cf3bae89268701024d9b0c1560ebcf5d8cef74",
        "checked_by": "Original generator and shared STEP features; nominal model",
        "source": "provenance-correction.json"
      },
      {
        "file": "stwd100nywy3f-etched.step",
        "role": "marked",
        "up": "Z",
        "units": "mm",
        "extents_mm": [
          2.8,
          2.9,
          1.205
        ],
        "zmin_mm": 0,
        "origin": "pad-pattern centre",
        "sha256": "f02623582676d7f7ac3837641bd325c654dde6c6aa33ddad98f98ade7b2a2d71",
        "checked_by": "Original generator and shared STEP features; nominal model",
        "source": "provenance-correction.json"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SOT-23-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stwd100nywy3f"
  ],
  "discovery_pitch": "STWD100NYWY3F with source-traceable pin map and explicitly nominal drawing-led CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "LICENSE-KICAD.md",
    "README.md",
    "build_nominal_model.py",
    "docs/hero.png",
    "docs/manufacturer-reference.pdf",
    "docs/stwd100nywy3f-datasheet.pdf",
    "pads.json",
    "page.json",
    "provenance-correction.json",
    "review/features.json",
    "stwd100nywy3f*",
    "stwd100nywy3f.glb",
    "stwd100nywy3f.kicad_mod",
    "stwd100nywy3f.kicad_sym",
    "stwd100nywy3f.lbr",
    "stwd100nywy3f.step",
    "viewers/footprint.html",
    "viewers/symbol.html",
    "stwd100nywy3f-hero.glb",
    "stwd100nywy3f-hero.overlay.json",
    "stwd100nywy3f-etched.glb"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "STWD100NYWY3FNWWY3F",
      "kind": "packaging"
    },
    {
      "mpn": "STWD100NYWY3F",
      "kind": "packaging"
    },
    {
      "mpn": "STWD100NYWY3FNPWY3F",
      "kind": "packaging"
    },
    {
      "mpn": "STWD100NYWY3FYNWWY3F",
      "kind": "packaging"
    },
    {
      "mpn": "STWD100NYWY3FYNYWY3F",
      "kind": "packaging"
    },
    {
      "mpn": "STWD100NYWY3FYNPWY3F",
      "kind": "packaging"
    },
    {
      "mpn": "STWD100NYWY3FPYW83F",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T09:09:49.608Z"
}