XL1509-12E1

{
  "schema_version": 1,
  "type": "component",
  "slug": "xl1509-12e1",
  "title": "XL1509-12E1",
  "brief": "XLSEMI DC-DC Converters, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "xl1509-12e1"
  ],
  "component": {
    "mpn": "XL1509-12E1",
    "manufacturer": "XLSEMI",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6764d4cba2504b189b593202c77b9bd6.pdf",
    "parts": {
      "symbol": "xl1509-12e1.kicad_sym",
      "footprint": "xl1509-12e1.kicad_mod",
      "model_3d": "xl1509-12e1-etched.glb",
      "model_3d_plain": "xl1509-12e1.glb",
      "model_3d_step": "xl1509-12e1-etched.step",
      "model_3d_step_plain": "xl1509-12e1.step",
      "lbr": "xl1509-12e1.lbr"
    },
    "distributor_links": {
      "lcsc": "C62594"
    },
    "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 to eliminate input noise. Absolute maximum -0.3V to 45V."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Power Switch Output Pin (SW). Switching node that supplies power to the external inductor/Schottky diode of the buck converter. Rated for 2A output current."
      },
      {
        "number": "3",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Feedback Pin (FB). Through an external resistor divider network, senses and regulates the output voltage. Internal reference threshold voltage is 1.23V. For the -12 fixed version, the internal divider is set so a direct connection to VOUT regulates at 12V."
      },
      {
        "number": "4",
        "name": "ON/OFF",
        "type": "input",
        "description": "Enable Pin. Drive ON/OFF pin low to turn on the device; drive it high to turn it off. Floating defaults low (device on). TTL-compatible shutdown with hysteresis."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground Pin. Care must be taken in layout: this pin should be placed outside of the Schottky diode-to-output-capacitor ground path to prevent switching current spikes from inducing voltage noise into the XL1509."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground Pin. Care must be taken in layout: this pin should be placed outside of the Schottky diode-to-output-capacitor ground path to prevent switching current spikes from inducing voltage noise into the XL1509."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground Pin. Care must be taken in layout: this pin should be placed outside of the Schottky diode-to-output-capacitor ground path to prevent switching current spikes from inducing voltage noise into the XL1509."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground Pin. Care must be taken in layout: this pin should be placed outside of the Schottky diode-to-output-capacitor ground path to prevent switching current spikes from inducing voltage noise into the XL1509."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/6764d4cba2504b189b593202c77b9bd6.pdf",
        "pages": 13,
        "sha256": "8b10b01cdcb05276",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "xl1509-12e1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xl1509-12e1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6dd8d3c6d6251c161b6fe392031aa1d5af019f45c21b6b3ef985c54d911ec11f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XLSEMI",
      "Package": "SOIC-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "xl1509-12e1"
  ],
  "discovery_pitch": "XL1509-12E1 (XLSEMI) 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",
    "xl1509-12e1.kicad_sym",
    "xl1509-12e1.kicad_mod",
    "xl1509-12e1.glb",
    "xl1509-12e1.step",
    "xl1509-12e1-etched.step",
    "xl1509-12e1.lbr",
    "docs/hero.png",
    "docs/xl1509-12e1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "XL1509-12E1",
      "kind": "packaging"
    },
    {
      "mpn": "XL1509-12E13.3E1",
      "kind": "packaging"
    },
    {
      "mpn": "XL1509-12E15.0E1",
      "kind": "packaging"
    },
    {
      "mpn": "XL1509-12E1ADJE1",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T14:27:53.735Z"
}