XL9027

{
  "slug": "xl9027",
  "version": "0.1.0",
  "type": "component",
  "description": "XLSEMI DC-DC Converters, TO-263-7L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "xl9027",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "xl9027.kicad_sym",
    "xl9027.kicad_mod",
    "xl9027.glb",
    "xl9027.step",
    "xl9027.lbr",
    "docs/hero.png",
    "docs/xl9027-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xl9027-hero.glb",
    "xl9027-hero.overlay.json",
    "xl9027-etched.glb"
  ],
  "component": {
    "mpn": "XL9027",
    "manufacturer": "XLSEMI",
    "package": "TO-263-7L",
    "pin_count": 7,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ab8bc7d36eac087b1cbcc95f8bd00230.pdf",
    "parts": {
      "symbol": "xl9027.kicad_sym",
      "footprint": "xl9027.kicad_mod",
      "model_3d": "xl9027-hero.glb",
      "model_3d_plain": "xl9027-etched.glb",
      "model_3d_step": "xl9027-etched.step",
      "model_3d_step_plain": "xl9027.step",
      "lbr": "xl9027.lbr"
    },
    "distributor_links": {
      "lcsc": "C48031552"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T18:28:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CSP",
        "type": "input",
        "description": "Positive current-sense input used for the constant-current loop (absolute maximum -0.3V to VIN)."
      },
      {
        "number": "2",
        "name": "CSN",
        "type": "input",
        "description": "Negative current-sense input used for the constant-current loop (absolute maximum -0.3V to VIN)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "4",
        "name": "SW",
        "type": "output",
        "description": "Power switch output and switching node of the output power stage (absolute maximum -0.3V to VIN)."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that senses the output voltage through an external resistor divider, with a 1.25V reference voltage."
      },
      {
        "number": "6",
        "name": "VC",
        "type": "passive",
        "description": "Internal voltage regulator bypass capacitor pin, requiring a 1uF capacitor connected between VIN and VC."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input supporting a 5V to 45V DC operating range, requiring an electrolytic capacitor between VIN and GND to suppress noise."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Package drawing (Figure 2) labels the metal tab as SW, but the tab has no pin number and is not list; VC type chosen as passive because it is a bypass-capacitor node; the datasheet does not state its di"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0797,
        "at": "2026-10-26T18:28:16"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ab8bc7d36eac087b1cbcc95f8bd00230.pdf",
        "pages": 14,
        "sha256": "72b89914c33c4eeb",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "xl9027.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": "9149a11780a99391a7ef49f6c6ca8a137f7e89b4943caca20f2790b630c90898",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xl9027-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": "5ffc340e5e0bc6834bf6792a3e83367311a7b036a924c9424e9f4a64affb1dfd",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}