XL7046E1

{
  "schema_version": 1,
  "type": "component",
  "slug": "xl7046e1",
  "title": "XL7046E1",
  "brief": "XLSEMI DC-DC Converters, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "xl7046e1"
  ],
  "component": {
    "mpn": "XL7046E1",
    "manufacturer": "XLSEMI",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ab2d251cf8f9206256931ba2012474ea.pdf",
    "parts": {
      "symbol": "xl7046e1.kicad_sym",
      "footprint": "xl7046e1.kicad_mod",
      "model_3d": "xl7046e1-etched.glb",
      "model_3d_plain": "xl7046e1.glb",
      "model_3d_step": "xl7046e1-etched.step",
      "model_3d_step_plain": "xl7046e1.step",
      "lbr": "xl7046e1.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "CSN",
        "type": "input",
        "description": "Current Sense Negative terminal. Connects to the load-side of the external current-sense resistor R3 (typ. 0.075 Ω for VOUT ≤ 5V, 0.082 Ω for VOUT > 5V) for the internal over-current comparator (OCS)."
      },
      {
        "number": "2",
        "name": "CSP",
        "type": "input",
        "description": "Current Sense Positive terminal. Connects to the SW-side of the external current-sense resistor R3 and pairs with CSN to feed the internal over-current sense amplifier (75 mV threshold)."
      },
      {
        "number": "3",
        "name": "VC",
        "type": "passive",
        "description": "Internal Voltage Regulator Bypass Capacity. In a typical application, VC connects a 1 µF bypass capacitor to VIN to decouple the internal LDO that powers control circuitry."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply Voltage Input Pin. Operates from 8V to 80V DC (absolute max 90V). Bypass VIN to GND with a suitably large capacitor (e.g. 47 µF/100V) to eliminate input noise; VIN UVLO ≈ 6V."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Power Switch Output pin. Drain of the internal HV P-channel MOSFET (Rds(on) typ. 270 mΩ) that supplies the inductor/Schottky node. SW is also connected to the Exposed PAD for thermal dissipation."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Enable pin, TTL-compatible. Drive EN high (>2V) to turn the device OFF, drive it low (<1V) or tie to GND to enable the regulator. Floating defaults low (enabled). Abs max 20V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin. Must be placed outside the Schottky-diode-to-output-capacitor ground path so switching current spikes do not induce voltage noise into the XL7046."
      },
      {
        "number": "8",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin. Through an external resistor divider, FB senses the output voltage and regulates it against the internal 1.25V reference (VOUT = 1.25 × (1 + R2/R1))."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "output",
        "description": "Exposed thermal PAD on the bottom of the SOP8-EP package. Electrically connected to SW (switch node) per the datasheet, not to GND. Solder to a copper pour tied to the SW net for thermal relief."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ab2d251cf8f9206256931ba2012474ea.pdf",
        "pages": 12,
        "sha256": "bfa135c6ec9c4c7a",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "xl7046e1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xl7046e1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.55
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "608e8bd436e0827d2cc31cdea9628dec74b05f2f01c62a9248c6c27decba6817",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XLSEMI",
      "Package": "ESOP-8",
      "Category": "PMIC",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "xl7046e1"
  ],
  "discovery_pitch": "XL7046E1 (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",
    "xl7046e1.kicad_sym",
    "xl7046e1.kicad_mod",
    "xl7046e1.glb",
    "xl7046e1.step",
    "xl7046e1.lbr",
    "docs/hero.png",
    "docs/xl7046e1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xl7046e1-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "XL7046E1",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T14:36:11.813Z"
}