LPW5209B5F-21

{
  "schema_version": 1,
  "type": "component",
  "slug": "lpw5209b5f-21",
  "title": "LPW5209B5F-21",
  "brief": "LOWPOWER AC-DC Controllers and Regulators, 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",
    "lpw5209b5f-21"
  ],
  "component": {
    "mpn": "LPW5209B5F-21",
    "manufacturer": "LOWPOWER",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "AC-DC Controllers and Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ca9e83a6e96e797ddefe54418f6cfd45.pdf",
    "parts": {
      "symbol": "lpw5209b5f-21.kicad_sym",
      "footprint": "lpw5209b5f-21.kicad_mod",
      "model_3d": "lpw5209b5f-21-etched.glb",
      "model_3d_plain": "lpw5209b5f-21.glb",
      "model_3d_step": "lpw5209b5f-21-etched.step",
      "model_3d_step_plain": "lpw5209b5f-21.step",
      "lbr": "lpw5209b5f-21.lbr"
    },
    "distributor_links": {
      "lcsc": "C517266"
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Switched power output pin; source of the internal high-side N-MOSFET. Delivers input voltage to the load with 80mΩ typical RDS(ON) and 2.1A current limit. Requires an output bypass capacitor to ground."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. On the fixed-current-limit LPW5209-21/11/06 variants, pin 3 is not internally connected (the ISET function is only present on the adjustable LPW5209A variant)."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Active-high device enable input. VEN ≥ 1.4V turns the switch on; VEN ≤ 0.4V disables the switch (shutdown current 0.1µA typ). Must not be left floating and must not go negative with respect to GND; may be tied to VIN to keep the switch always on."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, 2.5V to 6V (7V absolute max). Powers the internal circuitry and drain of the internal N-MOSFET switch. Bypass with an input capacitor close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ca9e83a6e96e797ddefe54418f6cfd45.pdf",
        "pages": 7,
        "sha256": "a4d2b61137b282f3",
        "source_tier": "lcsc"
      },
      "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": "lpw5209b5f-21.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": "lpw5209b5f-21-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": "ef7e32b5e325353855794765c228171a820e59dfff22246c57664a40665cfdee",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LOWPOWER",
      "Package": "SOT-23-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lpw5209b5f-21"
  ],
  "discovery_pitch": "LPW5209B5F-21 (LOWPOWER) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lpw5209b5f-21.kicad_sym",
    "lpw5209b5f-21.kicad_mod",
    "lpw5209b5f-21.glb",
    "lpw5209b5f-21.step",
    "lpw5209b5f-21-etched.step",
    "lpw5209b5f-21.lbr",
    "docs/hero.png",
    "docs/lpw5209b5f-21-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LPW5209B5F-21",
      "kind": "packaging"
    },
    {
      "mpn": "LPW5209B5F-11",
      "kind": "different-part"
    },
    {
      "mpn": "LPW5209B5F-06",
      "kind": "different-part"
    },
    {
      "mpn": "LPW5209B5F-21AB5F",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:03:11.419Z"
}