LGS63030B6

{
  "schema_version": 1,
  "type": "component",
  "slug": "lgs63030b6",
  "title": "LGS63030B6",
  "brief": "Legend Si LED Drivers, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "lgs63030b6"
  ],
  "component": {
    "mpn": "LGS63030B6",
    "manufacturer": "Legend Si",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2404181123_Legend-Si-LGS63030B6_C5123976.pdf",
    "parts": {
      "symbol": "lgs63030b6.kicad_sym",
      "footprint": "lgs63030b6.kicad_mod",
      "model_3d": "lgs63030b6-etched.glb",
      "model_3d_plain": "lgs63030b6.glb",
      "model_3d_step": "lgs63030b6-etched.step",
      "model_3d_step_plain": "lgs63030b6.step",
      "lbr": "lgs63030b6.lbr"
    },
    "distributor_links": {
      "lcsc": "C5123976"
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Internal low-side N-channel power switch node (350mΩ typ RDS(on), 3A absolute max, up to 60V). Connect the external boost inductor and Schottky freewheeling diode here."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground return for the power switch and control circuitry. All voltages in the datasheet are referenced to GND."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Current-sense feedback input. Regulated to VFB = 0.2V (typ, 0.195-0.205V); LED current is set by IOUT = VFB / RSENSE via an external sense resistor to GND. Absolute max −0.3V to +6V; typical FB bias current 50nA."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable / dimming input. Drive high (>0.5V rising) to enable the boost converter, low (<0.4V falling) for low-power sleep. Accepts DC voltage for analog dimming (0.6-1.2V range on LGS63030) or a PWM square wave (100Hz-1kHz) for digital dimming. Internal ~800kΩ pull-down; absolute max −0.3V to +6V."
      },
      {
        "number": "5",
        "name": "OVP",
        "type": "input",
        "description": "Output overvoltage-protection sense input. Tie to a resistor divider from VOUT to GND; trigger threshold 1V typ (rising), 0.86V (falling). Set VOUT_OVP = (1 + R1/R2) × 1V; recommended 1.3-1.5× nominal VOUT. Absolute max −0.3V to +6V - keep the pin below 1V in normal operation."
      },
      {
        "number": "6",
        "name": "VIN",
        "type": "power_in",
        "description": "Main power input, 3.0-60V (absolute max −0.3V to +60V). UVLO rises ~3.0V, falls ~2.6V. Bypass with a 4.7µF or larger X5R/X7R ceramic capacitor placed as close to VIN and GND as possible."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2404181123_Legend-Si-LGS63030B6_C5123976.pdf",
        "pages": 20,
        "sha256": "f40f2a466f0716f8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "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-23-6@sha256:f341c73aac9dcb55",
      "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": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lgs63030b6-etched.step",
        "role": "eda",
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        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "zmin_mm": 0,
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        "sha256": "9f9d1a6b3dcf0d06e9352a03517014b5f4356e4e4403a80151cac4974d17fca8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Legend Si",
      "Package": "SOT-23-6",
      "Category": "LED-drv",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lgs63030b6"
  ],
  "discovery_pitch": "LGS63030B6 (Legend Si) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lgs63030b6.kicad_sym",
    "lgs63030b6.kicad_mod",
    "lgs63030b6.glb",
    "lgs63030b6.step",
    "lgs63030b6-etched.step",
    "lgs63030b6.lbr",
    "docs/hero.png",
    "docs/lgs63030b6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LGS63030B6",
      "kind": "packaging"
    },
    {
      "mpn": "LGS63030B6EP",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T23:57:30.941Z"
}