XL9021

{
  "slug": "xl9021",
  "version": "0.1.0",
  "type": "component",
  "description": "XLSEMI DC-DC Converters, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "xl9021",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "xl9021.kicad_sym",
    "xl9021.kicad_mod",
    "xl9021.glb",
    "xl9021.step",
    "xl9021.lbr",
    "docs/hero.png",
    "docs/xl9021-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xl9021-hero.glb",
    "xl9021-hero.overlay.json",
    "xl9021-etched.glb"
  ],
  "component": {
    "mpn": "XL9021",
    "manufacturer": "XLSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/602b95e522d6428a57686db723d439f0.pdf",
    "parts": {
      "symbol": "xl9021.kicad_sym",
      "footprint": "xl9021.kicad_mod",
      "model_3d": "xl9021-hero.glb",
      "model_3d_plain": "xl9021-etched.glb",
      "model_3d_step": "xl9021-etched.step",
      "model_3d_step_plain": "xl9021.step",
      "lbr": "xl9021.lbr"
    },
    "distributor_links": {
      "lcsc": "C48031547"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:06:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin that senses the output voltage through an external resistor divider, with a reference voltage of 1.25V."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable pin, active low (low level runs, high level shuts down, floating is treated as low); VEN_H threshold is 1.4V and VEN_L is 0.8V, absolute maximum -0.3 to 7V."
      },
      {
        "number": "3",
        "name": "VC",
        "type": "passive",
        "description": "Bypass capacitor pin for the internal voltage regulator, requiring a 1uF capacitor connected between VIN and VC."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input pin supporting 5V to 36V operation (absolute maximum 40V), requiring an electrolytic capacitor between VIN and GND to suppress noise."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Power switch output pin, the switching node of the output power stage (pins 5 and 6 are both SW)."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Power switch output pin, the switching node of the output power stage (pins 5 and 6 are both SW)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin (pins 7 and 8 are both GND)."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin (pins 7 and 8 are both GND)."
      }
    ],
    "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: Pin-to-number mapping comes from the pin description table (Table 1); the pin diagram text is garble"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0834,
        "at": "2026-10-23T09:05:53"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/602b95e522d6428a57686db723d439f0.pdf",
        "pages": 15,
        "sha256": "e6e400b8c0eefdd7",
        "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"
    },
    "models_3d": [
      {
        "file": "xl9021.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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xl9021-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": "900f2c66c7300c94aa7e0ee909e5db416751ddc7686248860029b379a7599350",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}