IMP811S-TD

{
  "schema_version": 1,
  "type": "component",
  "slug": "imp811s-td",
  "title": "IMP811S-TD",
  "brief": "TDSEMIC Supervisor and Reset ICs, SOT-143. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "imp811s-td"
  ],
  "component": {
    "mpn": "IMP811S-TD",
    "manufacturer": "TDSEMIC",
    "package": "SOT-143",
    "pin_count": 4,
    "category": "PMIC",
    "subcategory": "Supervisor and Reset ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/66ddf37e92984e8fa072948ca11b85ed.pdf",
    "parts": {
      "symbol": "imp811s-td.kicad_sym",
      "footprint": "imp811s-td.kicad_mod",
      "model_3d": "imp811s-td-etched.glb",
      "model_3d_plain": "imp811s-td.glb",
      "model_3d_step": "imp811s-td-etched.step",
      "model_3d_step_plain": "imp811s-td.step",
      "lbr": "imp811s-td.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply return for the device."
      },
      {
        "number": "2",
        "name": "RESET",
        "type": "output",
        "description": "Active-low reset output. Driven low when VCC is below Vth (3.08 V typ.) or when MR is low; released high after the Trp delay (500 ms typ.) once VCC recovers and MR is high. VOL ≤ 0.5 V at ISINK = 3.2 mA; VOH ≥ 0.8·VCC at ISOURCE = 500 µA."
      },
      {
        "number": "3",
        "name": "MR",
        "type": "input",
        "description": "Manual reset / enable control input, active-low. Driving MR low forces RESET low; a low-to-high transition on MR (with VCC ≥ Vth) starts the Trp reset delay. Logic thresholds: VIH ≥ 0.7·VCC, VIL ≤ 0.2·VCC; minimum pulse width tMR = 10 µs."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input, 1.0 V to 6.0 V operating range (absolute max 6.5 V). This is also the monitored voltage; RESET asserts when VCC falls below Vth = 3.08 V (typ., ±2.5%). Quiescent current ~2 µA typ. (ICCH max 5 µA at VMR=VCC)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/66ddf37e92984e8fa072948ca11b85ed.pdf",
        "pages": 3,
        "sha256": "f47d2383d09cfbcd",
        "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"
    },
    "models_3d": [
      {
        "file": "imp811s-td.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b35b433c0dc71ac416a9c731e744d2e0610f82ebe97275830f0e17cdcbe44512",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "imp811s-td-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "19a38b66f1a827dc9a5ff915cad09479327b53040aaf6bf488a694a248ffc520",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TDSEMIC",
      "Package": "SOT-143",
      "Category": "PMIC",
      "Pins": "4"
    }
  },
  "variants": [
    {
      "mpn": "IMP811S-TD",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "imp811s-td"
  ],
  "discovery_pitch": "IMP811S-TD (TDSEMIC) 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",
    "imp811s-td.kicad_sym",
    "imp811s-td.kicad_mod",
    "imp811s-td.glb",
    "imp811s-td.step",
    "imp811s-td.lbr",
    "docs/hero.png",
    "docs/imp811s-td-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T22:31:05.542Z"
}