RY3730

{
  "schema_version": 1,
  "type": "component",
  "slug": "ry3730",
  "title": "RY3730",
  "brief": "RYCHIP 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",
    "ry3730"
  ],
  "component": {
    "mpn": "RY3730",
    "manufacturer": "RYCHIP",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2a051ca704cc50ca6197fbc843bf434b.pdf",
    "parts": {
      "symbol": "ry3730.kicad_sym",
      "footprint": "ry3730.kicad_mod",
      "model_3d": "ry3730-etched.glb",
      "model_3d_plain": "ry3730.glb",
      "model_3d_step": "ry3730-etched.step",
      "model_3d_step_plain": "ry3730.step",
      "lbr": "ry3730.lbr"
    },
    "distributor_links": {
      "lcsc": "C370887"
    },
    "pins": [
      {
        "number": "1",
        "name": "LX",
        "type": "output",
        "description": "Power switch output - drain of the internal NMOS boost switch. Connect the boost inductor and Schottky rectifier here. LX can swing between GND and 30V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Connect to a solid ground plane for heat sinking and noise protection."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input regulated to 0.25V (typ, 237-263mV). Connect the low side of the LED string current-sense resistor (R1 = 0.25V / ILED) to this pin. Input bias current is typically −10nA."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable / PWM dimming control input. Logic high (>1V typ) enables the converter; logic low shuts it down (IIN < 1µA). Also accepts a PWM signal for LED brightness dimming; suggested PWM frequency ≥1kHz or ≤200Hz. Tie to VIN for automatic startup when unused."
      },
      {
        "number": "5",
        "name": "OVP",
        "type": "input",
        "description": "Over-voltage protection sense input. Monitors the boost output for open-circuit / open-LED conditions; the converter stops switching when OVP reaches ~35V (typ). Connect to the top of the LED string / output rail."
      },
      {
        "number": "6",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin, 2.5V-5.5V. Must be locally bypassed with a ceramic capacitor (1µF X5R/X7R recommended) close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2a051ca704cc50ca6197fbc843bf434b.pdf",
        "pages": 7,
        "sha256": "b321309d15988426",
        "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": [
      {
        "file": "ry3730.step",
        "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": "ry3730-etched.step",
        "role": "eda",
        "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": "228b26a3cb596311c7b65d4a2cde566c987ffefffa7e8d4871351513af2a7431",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "RYCHIP",
      "Package": "SOT-23-6",
      "Category": "LED-drv",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ry3730"
  ],
  "discovery_pitch": "RY3730 (RYCHIP) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ry3730.kicad_sym",
    "ry3730.kicad_mod",
    "ry3730.glb",
    "ry3730.step",
    "ry3730-etched.step",
    "ry3730.lbr",
    "docs/hero.png",
    "docs/ry3730-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "RY3730",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T05:24:37.279Z"
}