XL2576S-5.0E1

{
  "schema_version": 1,
  "type": "component",
  "slug": "xl2576s-5-0e1",
  "title": "XL2576S-5.0E1",
  "brief": "XLSEMI XL2576S 5 0E1 DC-DC Converters, TO-263-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "xl2576s-5.0e1"
  ],
  "component": {
    "mpn": "XL2576S-5.0E1",
    "manufacturer": "XLSEMI XL2576S 5 0E1",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/aa8bc38d736a6e8597f29e2a0a648a8c.pdf",
    "parts": {
      "symbol": "xl2576s-5-0e1.kicad_sym",
      "footprint": "xl2576s-5-0e1.kicad_mod",
      "model_3d": "xl2576s-5-0e1-etched.glb",
      "model_3d_plain": "xl2576s-5-0e1.glb",
      "model_3d_step": "xl2576s-5-0e1-etched.step",
      "model_3d_step_plain": "xl2576s-5-0e1.step",
      "lbr": "xl2576s-5-0e1.lbr"
    },
    "distributor_links": {
      "lcsc": "C73350"
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply Voltage Input Pin. Operates from 4.5V to 40V DC. Bypass VIN to GND with a suitably large capacitor (e.g. 100uF/50V) to eliminate input switching noise."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "power_out",
        "description": "Power Switch Output Pin. Switch node driven by the internal NPN power transistor (Vsat ~1.3V at 3A). Connects to the external inductor and freewheeling Schottky diode (e.g. 1N5820). Absolute max -0.3V to Vin."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground Pin. Care must be taken in layout: route outside of the Schottky-diode-to-output-capacitor ground path to prevent switching current spikes from inducing voltage noise into the XL2576. Metal tab is also GND."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback Pin. Senses the output voltage through an external resistor divider network and regulates it. The internal feedback threshold voltage is 1.23V. Absolute max -0.3V to Vin."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable Pin with hysteresis. Drive EN low (<0.8V) to turn the regulator ON; drive high (>1.4V) to turn it OFF. Floating defaults low (regulator ON). Input leakage 5uA typ @ VEN=2.5V. Absolute max -0.3V to Vin."
      },
      {
        "number": "6",
        "name": "TAB",
        "type": "power_in",
        "description": "Exposed thermal pad. Present in the package land pattern; connect it per the manufacturer datasheet thermal recommendation. Added because the footprint carries this pad and the symbol had no pin for it.",
        "source": "derived-from-footprint"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/aa8bc38d736a6e8597f29e2a0a648a8c.pdf",
        "pages": 15,
        "sha256": "c3857bfcd9cf7c08",
        "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": [
        -7.65,
        -3.4
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TO-263-5_TabPin6@sha256:77e8ff2d643255fc",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "xl2576s-5-0e1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xl2576s-5-0e1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9be3bbc40fd80651e8ba2ff08f5c63aefe5c27185db6432428e41435556699a9",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XLSEMI",
      "Package": "TO-263-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "xl2576s-5.0e1"
  ],
  "discovery_pitch": "XL2576S-5.0E1 (XLSEMI XL2576S 5 0E1) 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",
    "xl2576s-5-0e1.kicad_sym",
    "xl2576s-5-0e1.kicad_mod",
    "xl2576s-5-0e1.glb",
    "xl2576s-5-0e1.step",
    "xl2576s-5-0e1-etched.step",
    "xl2576s-5-0e1.lbr",
    "docs/hero.png",
    "docs/xl2576s-5-0e1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "XL2576S-5.0E1",
      "kind": "packaging"
    },
    {
      "mpn": "XL2576S-5.0E1S-ADJE1",
      "kind": "packaging"
    },
    {
      "mpn": "XL2576S-5.0E1S-12E1",
      "kind": "packaging"
    },
    {
      "mpn": "XL2576S-5.0E1T-5.0E1",
      "kind": "packaging"
    },
    {
      "mpn": "XL2576S-5.0E1T-ADJE1",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T14:30:42.969Z"
}