MAX809J

{
  "schema_version": 1,
  "type": "component",
  "slug": "max809j",
  "title": "MAX809J",
  "brief": "TECH PUBLIC Supervisor and Reset ICs, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "max809j"
  ],
  "component": {
    "mpn": "MAX809J",
    "manufacturer": "TECH PUBLIC",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Supervisor and Reset ICs",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311021603_TECH-PUBLIC-MAX809J_C7202963.pdf",
    "parts": {
      "symbol": "max809j.kicad_sym",
      "footprint": "max809j.kicad_mod",
      "model_3d": "max809j-etched.glb",
      "model_3d_plain": "max809j.glb",
      "model_3d_step": "max809j-etched.step",
      "model_3d_step_plain": "max809j.step",
      "lbr": "max809j.lbr"
    },
    "distributor_links": {
      "lcsc": "C7202963"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin. Connect to system ground."
      },
      {
        "number": "2",
        "name": "RESET",
        "type": "output",
        "description": "Active-low reset output (push-pull). Drives low when VDD falls below the reset threshold (J = 4.00 V typ, 3.92 V min / 4.08 V max at 25 degC). Returns high after VDD recovers above the threshold and the reset timeout (TR, 240 ms typ, 140 ms min) elapses. VOL <= 0.3 V, VOH >= VDD-0.4 V; output current rated up to 20 mA."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip supply and monitored voltage input. Operating range 1.0 V to 5.5 V (absolute max +6.0 V). Typical supply current 8-14 uA over 2-5 V. This is the node compared to the internal reference to generate RESET."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311021603_TECH-PUBLIC-MAX809J_C7202963.pdf",
        "pages": 7,
        "sha256": "bf42717802d474fe",
        "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": [
        -0.9375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23@sha256:0d88c86c1b6d8c1a",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "max809j.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": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max809j-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": "af95c17c937c9d583913f9d9ba135aff9d647c069f1870d1026c31ee50fd4de3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TECH PUBLIC",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "max809j"
  ],
  "discovery_pitch": "MAX809J (TECH PUBLIC) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max809j.kicad_sym",
    "max809j.kicad_mod",
    "max809j.glb",
    "max809j.step",
    "max809j-etched.step",
    "max809j.lbr",
    "docs/hero.png",
    "docs/max809j-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "MAX809J",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:35:11.894Z"
}