SM8081AAC

{
  "schema_version": 1,
  "type": "component",
  "slug": "sm8081aac",
  "title": "SM8081AAC",
  "brief": "Silergy Corp DC-DC Converters, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "sm8081aac"
  ],
  "component": {
    "mpn": "SM8081AAC",
    "manufacturer": "Silergy Corp",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8d54ab29f9e1cc9d3d8d3a6cd3701209.pdf",
    "parts": {
      "symbol": "sm8081aac.kicad_sym",
      "footprint": "sm8081aac.kicad_mod",
      "model_3d": "sm8081aac-etched.glb",
      "model_3d_plain": "sm8081aac.glb",
      "model_3d_step": "sm8081aac-etched.step",
      "model_3d_step_plain": "sm8081aac.step",
      "lbr": "sm8081aac.lbr"
    },
    "distributor_links": {
      "lcsc": "C479066"
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Enable control input. Pull high (VEN,H ≥ 1.2V) to turn the regulator on; pull low (VEN,L ≤ 0.4V) to shut down. Do not leave floating. Absolute max VIN + 0.6V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Connect to system ground plane; return path for input/output capacitors and internal low-side switch."
      },
      {
        "number": "3",
        "name": "LX",
        "type": "output",
        "description": "Switching node. Connect to the external inductor. Internal top (PMOS) and bottom (NMOS) power switches meet at this pin. Absolute max −0.3V to 6.0V (transient −3V/+7V <40ns). Also case position for θJC."
      },
      {
        "number": "4",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin, 2.5V to 5.5V operating (6.0V abs max). Decouple to GND with at least a 10µF ceramic capacitor placed close to the pin."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Output feedback pin. Connect to the mid-point of the external resistor divider to program VOUT: VOUT = 0.6V × (1 + RH/RL). Internal reference VREF = 0.6V (typ)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8d54ab29f9e1cc9d3d8d3a6cd3701209.pdf",
        "pages": 11,
        "sha256": "483036b5aca04853",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "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-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "sm8081aac.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sm8081aac-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "433ee4c8a69e5ae0d76dd754cbafd7be02e4ece25c205b9c33c98f6cea5abb57",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Silergy Corp",
      "Package": "SOT-23-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sm8081aac"
  ],
  "discovery_pitch": "SM8081AAC (Silergy Corp) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sm8081aac.kicad_sym",
    "sm8081aac.kicad_mod",
    "sm8081aac.glb",
    "sm8081aac.step",
    "sm8081aac-etched.step",
    "sm8081aac.lbr",
    "docs/hero.png",
    "docs/sm8081aac-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SM8081AAC",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T06:17:58.426Z"
}