MAX809S

{
  "schema_version": 1,
  "type": "component",
  "slug": "max809s",
  "title": "MAX809S",
  "brief": "MSKSEMI Supervisor and Reset ICs, SOT-23-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "max809s"
  ],
  "component": {
    "mpn": "MAX809S",
    "manufacturer": "MSKSEMI",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Supervisor and Reset ICs",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2405081538_MSKSEMI-MAX809S_C5379074.pdf",
    "parts": {
      "symbol": "max809s.kicad_sym",
      "footprint": "max809s.kicad_mod",
      "model_3d": "max809s-etched.glb",
      "model_3d_plain": "max809s.glb",
      "model_3d_step": "max809s-etched.step",
      "model_3d_step_plain": "max809s.step",
      "lbr": "max809s.lbr"
    },
    "distributor_links": {
      "lcsc": "C5379074"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the supervisor. Connect to system ground."
      },
      {
        "number": "2",
        "name": "RESET",
        "type": "output",
        "description": "Active-low reset output (RESET-bar). Asserted low when VCC falls below the reset threshold (2.93V typ for MAX809S) and held low for ~200ms after VCC returns above threshold. VOL ≤ 0.3V at ISINK=1.2mA; VOH ≥ 0.8·VCC at ISOURCE=500µA."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply and monitored input voltage. Operating range 1.0V-6.0V (absolute max 6.5V). ICC ≈ 5.5µA at VCC=6V. The device compares VCC against the internal threshold Vth (2.93V typ for the -S variant)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2405081538_MSKSEMI-MAX809S_C5379074.pdf",
        "pages": 6,
        "sha256": "7fc0c8bc22e4d962",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-3@sha256:ab2ce7041629a2c0",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "max809s.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max809s-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": "99dfc361ea2a7a40cc49fb0d1e3d5bfba19281e6672ed8cacec7e0d3becebf57",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MSKSEMI",
      "Package": "SOT-23-3",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "max809s"
  ],
  "discovery_pitch": "MAX809S (MSKSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max809s.kicad_sym",
    "max809s.kicad_mod",
    "max809s.glb",
    "max809s.step",
    "max809s-etched.step",
    "max809s.lbr",
    "docs/hero.png",
    "docs/max809s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "MAX809SS",
      "kind": "packaging"
    },
    {
      "mpn": "MAX809S",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:35:42.504Z"
}