CAT811STBI-GT3-MS

{
  "schema_version": 1,
  "type": "component",
  "slug": "cat811stbi-gt3-ms",
  "title": "CAT811STBI-GT3-MS",
  "brief": "MSKSEMI Supervisor and Reset ICs, SOT-143. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "cat811stbi-gt3-ms"
  ],
  "component": {
    "mpn": "CAT811STBI-GT3-MS",
    "manufacturer": "MSKSEMI",
    "package": "SOT-143",
    "pin_count": 4,
    "category": "PMIC",
    "subcategory": "Supervisor and Reset ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d0b676ba8eed021598c8c933a5b82e68.pdf",
    "parts": {
      "symbol": "cat811stbi-gt3-ms.kicad_sym",
      "footprint": "cat811stbi-gt3-ms.kicad_mod",
      "model_3d": "cat811stbi-gt3-ms-etched.glb",
      "model_3d_plain": "cat811stbi-gt3-ms.glb",
      "model_3d_step": "cat811stbi-gt3-ms-etched.step",
      "model_3d_step_plain": "cat811stbi-gt3-ms.step",
      "lbr": "cat811stbi-gt3-ms.lbr"
    },
    "distributor_links": {
      "lcsc": "C30197472"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "2",
        "name": "RESET",
        "type": "output",
        "description": "Active-low push-pull reset output. Held low (VOL ~0.03V @ 1.2mA sink) when VIN is below the detect level (VDET = 2.93V for -S variant); driven high (VOH ~ VIN-0.05V @ 1.2mA source) 240ms after VIN rises above VDET. Guaranteed low while VIN > 1V."
      },
      {
        "number": "3",
        "name": "MR",
        "type": "input",
        "description": "Active-low manual reset input. Pulling MR below VIL (0.3 x VIN) forces RESET low; MR must be above VIH (0.7 x VIN) for normal operation. Typically driven by a push button to GND."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input and monitored voltage node. Operating range 1V to 6V (absolute max -0.3V to 8V). Compared against internal VDET = 2.93V for the -S variant."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d0b676ba8eed021598c8c933a5b82e68.pdf",
        "pages": 7,
        "sha256": "3c4bce5324899f80",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1,
        -0.75
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-143@sha256:80e8edd31fe81e67",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "cat811stbi-gt3-ms.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.3,
          2.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b35b433c0dc71ac416a9c731e744d2e0610f82ebe97275830f0e17cdcbe44512",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cat811stbi-gt3-ms-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.3,
          2.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5519ca0a74e6e9d6a6b2d5077171f9ce9ed8cc88c83d5c3d91f21d37c85e979c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MSKSEMI",
      "Package": "SOT-143",
      "Category": "PMIC",
      "Pins": "4"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cat811stbi-gt3-ms"
  ],
  "discovery_pitch": "CAT811STBI-GT3-MS (MSKSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cat811stbi-gt3-ms.kicad_sym",
    "cat811stbi-gt3-ms.kicad_mod",
    "cat811stbi-gt3-ms.glb",
    "cat811stbi-gt3-ms.step",
    "cat811stbi-gt3-ms-etched.step",
    "cat811stbi-gt3-ms.lbr",
    "docs/hero.png",
    "docs/cat811stbi-gt3-ms-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "CAT811STBI-GT3-MS",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T18:28:21.779Z"
}