RT9818C-29GV

{
  "schema_version": 1,
  "type": "component",
  "slug": "rt9818c-29gv",
  "title": "RT9818C-29GV",
  "brief": "Richtek Tech Supervisor and Reset ICs, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "rt9818c-29gv"
  ],
  "component": {
    "mpn": "RT9818C-29GV",
    "manufacturer": "Richtek Tech",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Supervisor and Reset ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/37169401183a4826b09e9551ec721bd4.pdf",
    "parts": {
      "symbol": "rt9818c-29gv.kicad_sym",
      "footprint": "rt9818c-29gv.kicad_mod",
      "model_3d": "rt9818c-29gv-etched.glb",
      "model_3d_plain": "rt9818c-29gv.glb",
      "model_3d_step": "rt9818c-29gv-etched.step",
      "model_3d_step_plain": "rt9818c-29gv.step",
      "lbr": "rt9818c-29gv.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "RESET",
        "type": "output",
        "description": "Active-low open-drain reset output (N-channel MOSFET to GND). Asserts low whenever VDD falls below the internal 2.9 V threshold and remains asserted for a 220 ms delay after VDD recovers above VTH. Requires an external pull-up (e.g. 100 kΩ to VDD); VOL < 0.4 V at ISINK > 3.5 mA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply/monitor input. Operating range 0.9 V to 6 V (absolute max -0.3 V to 6 V). Also the voltage sensed against the internal 2.9 V reset threshold (VTH tolerance ±1.5%)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/37169401183a4826b09e9551ec721bd4.pdf",
        "pages": 14,
        "sha256": "3b9d0defd96dfd4a",
        "source_tier": "mfr"
      },
      "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": "rt9818c-29gv.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt9818c-29gv-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "00e52a2957052ae3be2d42797b9eb7317d0af177a44b90c163726c0ff350bea3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Richtek Tech",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "rt9818c-29gv"
  ],
  "discovery_pitch": "RT9818C-29GV (Richtek Tech) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rt9818c-29gv.kicad_sym",
    "rt9818c-29gv.kicad_mod",
    "rt9818c-29gv.glb",
    "rt9818c-29gv.step",
    "rt9818c-29gv.lbr",
    "docs/hero.png",
    "docs/rt9818c-29gv-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rt9818c-29gv-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "RT9818C-29GVV",
      "kind": "packaging"
    },
    {
      "mpn": "RT9818C-29GVVL",
      "kind": "packaging"
    },
    {
      "mpn": "RT9818C-29GVU3",
      "kind": "packaging"
    },
    {
      "mpn": "RT9818C-29GVB",
      "kind": "packaging"
    },
    {
      "mpn": "RT9818C-29GVX",
      "kind": "packaging"
    },
    {
      "mpn": "RT9818C-29GVY",
      "kind": "packaging"
    },
    {
      "mpn": "RT9818C-29GVYR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T05:21:39.631Z"
}