LP3350SOF

{
  "schema_version": 1,
  "type": "component",
  "slug": "lp3350sof",
  "title": "LP3350SOF",
  "brief": "LOWPOWER LED Drivers, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "lp3350sof"
  ],
  "component": {
    "mpn": "LP3350SOF",
    "manufacturer": "LOWPOWER",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/44301e4ebcab5cafd1ffa6353241ce0b.pdf",
    "parts": {
      "symbol": "lp3350sof.kicad_sym",
      "footprint": "lp3350sof.kicad_mod",
      "model_3d": "lp3350sof-etched.glb",
      "model_3d_plain": "lp3350sof.glb",
      "model_3d_step": "lp3350sof-etched.step",
      "model_3d_step_plain": "lp3350sof.step",
      "lbr": "lp3350sof.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin. Operating range 8V to 28V (absolute max 36V). Decouple with a 10uF ceramic capacitor placed close to the pin."
      },
      {
        "number": "2",
        "name": "GATE",
        "type": "output",
        "description": "Gate drive output for the external boost NMOS power switch. Source current 30uA typ, sink current 60uA typ."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference. Tie to the system ground plane."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Current sense input for the boost switch cycle-by-cycle current limit. Over-current protection threshold is 330mV typ (referenced to GND across the source-sense resistor)."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Regulator feedback input. Sensed against a 300mV (295.5-304.5mV) internal reference; connect an external current-sense resistor RFB from FB to GND to set LED current per ILED = 0.3V / RFB."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "Error-amplifier compensation node. Connect an external RC network (typ Rcomp=47kOhm series with Ccomp=33nF to GND) to set loop bandwidth and stability. EA transconductance 100uA/V typ."
      },
      {
        "number": "7",
        "name": "OVP",
        "type": "input",
        "description": "Over-voltage protection sense input. Connect an external resistive divider from the boost output (V+) to GND; OVP trips at 2V typ (1.8-2.2V) and latches off until VIN is restarted or CTRL is toggled."
      },
      {
        "number": "8",
        "name": "CTRL",
        "type": "input",
        "description": "Enable and external PWM dimming control. Logic-high threshold 2.6V (max), logic-low 1V (min). Accepts an external PWM dimming signal 100Hz-1kHz with 1%-100% duty cycle. Internal 150kOhm pull-down."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/44301e4ebcab5cafd1ffa6353241ce0b.pdf",
        "pages": 7,
        "sha256": "6b1d938d9f48e0bd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lp3350sof.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp3350sof-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d0774f0d412c6caa23d761aa0ee3facee4f3d2d4e61ad283b26888536fc56869",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LOWPOWER",
      "Package": "SOP-8",
      "Category": "LED-drv",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lp3350sof"
  ],
  "discovery_pitch": "LP3350SOF (LOWPOWER) 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",
    "lp3350sof.kicad_sym",
    "lp3350sof.kicad_mod",
    "lp3350sof.glb",
    "lp3350sof.step",
    "lp3350sof-etched.step",
    "lp3350sof.lbr",
    "docs/hero.png",
    "docs/lp3350sof-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LP3350SOF",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T17:54:17.374Z"
}