XT1861B502SR-G

{
  "schema_version": 1,
  "type": "component",
  "slug": "xt1861b502sr-g",
  "title": "XT1861B502SR-G",
  "brief": "NATLINEAR DC-DC Converters, SOT-23-5L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "xt1861b502sr-g"
  ],
  "component": {
    "mpn": "XT1861B502SR-G",
    "manufacturer": "NATLINEAR",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2204251600_NATLINEAR-XT1861B502SR-G_C3008013.pdf",
    "parts": {
      "symbol": "xt1861b502sr-g.kicad_sym",
      "footprint": "xt1861b502sr-g.kicad_mod",
      "model_3d": "xt1861b502sr-g-etched.glb",
      "model_3d_plain": "xt1861b502sr-g.glb",
      "model_3d_step": "xt1861b502sr-g-etched.step",
      "model_3d_step_plain": "xt1861b502sr-g.step",
      "lbr": "xt1861b502sr-g.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input. Drive high to enable the boost converter; drive low to disable. CE turn-on threshold typically ~0.6 V (decreasing with temperature per Fig.13). Must not be left floating."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated boost output. Factory-set to 5.0 V for the '50' voltage code of this MPN. Connect the output filter capacitor (COUT, 22 µF recommended) between VOUT and GND. Also serves as the internal high-side synchronous rectifier drain and the feedback sense node."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. May be left floating or tied to GND for mechanical stability. Present only on the SOT23-5L variant."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Return for input capacitor, output capacitor, and CE reference. Keep the ground return path short and low-impedance for good ripple performance."
      },
      {
        "number": "5",
        "name": "LX",
        "type": "power_out",
        "description": "Switch node. Connect the boost inductor (L, 10 µH recommended) between VIN and LX. Internal N-channel low-side switch and synchronous P-channel rectifier are tied here. Peak switch current limit 600 mA (min) / 800 mA (typ) / 1000 mA (max); absolute max 1000 mA. Absolute maximum LX voltage 6.5 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2204251600_NATLINEAR-XT1861B502SR-G_C3008013.pdf",
        "pages": 12,
        "sha256": "6aefb3994990857c",
        "source_tier": "lcsc"
      },
      "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "NATLINEAR",
      "Package": "SOT-23-5L",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "xt1861b502sr-g"
  ],
  "discovery_pitch": "XT1861B502SR-G (NATLINEAR) 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",
    "xt1861b502sr-g.kicad_sym",
    "xt1861b502sr-g.kicad_mod",
    "xt1861b502sr-g.glb",
    "xt1861b502sr-g.step",
    "xt1861b502sr-g-etched.step",
    "xt1861b502sr-g.lbr",
    "docs/hero.png",
    "docs/xt1861b502sr-g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "XT1861B502SR-GS",
      "kind": "packaging"
    },
    {
      "mpn": "XT1861B502SR-GM",
      "kind": "packaging"
    },
    {
      "mpn": "XT1861B502SR-GV",
      "kind": "packaging"
    },
    {
      "mpn": "XT1861B502SR-GP",
      "kind": "packaging"
    },
    {
      "mpn": "XT1861B502SR-GL",
      "kind": "packaging"
    },
    {
      "mpn": "XT1861B502SR-GT",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T14:40:48.058Z"
}