XC9145B33CMR-G

{
  "schema_version": 1,
  "type": "component",
  "slug": "xc9145b33cmr-g",
  "title": "XC9145B33CMR-G",
  "brief": "Torex Semicon DC-DC Converters, SOT-25. 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",
    "xc9145b33cmr-g"
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  "component": {
    "mpn": "XC9145B33CMR-G",
    "manufacturer": "Torex Semicon",
    "package": "SOT-25",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a3482d8019e4a18c5b29f65442e5343e.pdf",
    "parts": {
      "symbol": "xc9145b33cmr-g.kicad_sym",
      "footprint": "xc9145b33cmr-g.kicad_mod",
      "model_3d": "xc9145b33cmr-g-etched.glb",
      "model_3d_plain": "xc9145b33cmr-g.glb",
      "model_3d_step": "xc9145b33cmr-g-etched.step",
      "model_3d_step_plain": "xc9145b33cmr-g.step",
      "lbr": "xc9145b33cmr-g.lbr"
    },
    "distributor_links": {
      "lcsc": "C19261414"
    },
    "pins": [
      {
        "number": "1",
        "name": "CE",
        "type": "input",
        "description": "Chip Enable. H = Active, L = Stand-by. Do not leave open (undefined state). VCEH ≥ 1.50V (max 6.0V); VCEL ≤ 0.30V. Input current ≤ 0.1µA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the IC. All voltages in the datasheet are referenced to this pin."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "power_in",
        "description": "Power Supply Input (battery pin). Operating input voltage VBAT = 0.65V to 5.5V, operation start voltage 1.6V, operation hold voltage 0.65V. Absolute max 6.6V."
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated boost output (fixed 3.3V for this option). Also serves as the output-voltage sense/feedback node for the internal divider, load-disconnect controller, and VDD MAX selector. Absolute max 6.6V."
      },
      {
        "number": "5",
        "name": "Lx",
        "type": "output",
        "description": "Switching node connecting to the external boost inductor (typ. 4.7µH). Internal 200mΩ N-ch driver FET low-side and 270mΩ P-ch synchronous rectifier high-side. Max continuous ILx = 2.0A; absolute max voltage 6.6V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a3482d8019e4a18c5b29f65442e5343e.pdf",
        "pages": 29,
        "sha256": "4583a91f3e201771",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xc9145b33cmr-g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5d8ca52f29b364021ca276246f9b3c41e2d6651500af0248e821057e6b5b5dc6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Torex Semicon",
      "Package": "SOT-25",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "xc9145b33cmr-g"
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  "discovery_pitch": "XC9145B33CMR-G (Torex Semicon) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "xc9145b33cmr-g.kicad_sym",
    "xc9145b33cmr-g.kicad_mod",
    "xc9145b33cmr-g.glb",
    "xc9145b33cmr-g.step",
    "xc9145b33cmr-g-etched.step",
    "xc9145b33cmr-g.lbr",
    "docs/hero.png",
    "docs/xc9145b33cmr-g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "XC9145B33CMR-G",
      "kind": "packaging"
    },
    {
      "mpn": "XC9145B33CMR-GER-G",
      "kind": "packaging"
    },
    {
      "mpn": "XC9145B33CMR-G0R-G",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T14:24:39.782Z"
}