LP5018RSMR

{
  "schema_version": 1,
  "type": "component",
  "slug": "lp5018rsmr",
  "title": "LP5018RSMR",
  "brief": "Texas Instruments LED Drivers, VQFN-32-EP(4x4). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "lp5018rsmr"
  ],
  "component": {
    "mpn": "LP5018RSMR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-32-EP(4x4)",
    "pin_count": 33,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2303011630_Texas-Instruments-LP5018RSMR_C2653373.pdf",
    "parts": {
      "symbol": "lp5018rsmr.kicad_sym",
      "footprint": "lp5018rsmr.kicad_mod",
      "model_3d": "lp5018rsmr-etched.glb",
      "model_3d_plain": "lp5018rsmr.glb",
      "model_3d_step": "lp5018rsmr-etched.step",
      "model_3d_step_plain": "lp5018rsmr.step",
      "lbr": "lp5018rsmr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUT0",
        "type": "output",
        "description": "Current sink output 0 for driving an LED cathode. Can be left floating if unused. Sinks up to 25.5 mA typ (35 mA when VCC >= 3.3 V) under 12-bit PWM control."
      },
      {
        "number": "2",
        "name": "OUT1",
        "type": "output",
        "description": "Current sink output 1 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "3",
        "name": "OUT2",
        "type": "output",
        "description": "Current sink output 2 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "4",
        "name": "OUT3",
        "type": "output",
        "description": "Current sink output 3 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "5",
        "name": "OUT4",
        "type": "output",
        "description": "Current sink output 4 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "6",
        "name": "OUT5",
        "type": "output",
        "description": "Current sink output 5 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "7",
        "name": "OUT6",
        "type": "output",
        "description": "Current sink output 6 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "8",
        "name": "OUT7",
        "type": "output",
        "description": "Current sink output 7 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "9",
        "name": "OUT8",
        "type": "output",
        "description": "Current sink output 8 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "10",
        "name": "OUT9",
        "type": "output",
        "description": "Current sink output 9 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "11",
        "name": "OUT10",
        "type": "output",
        "description": "Current sink output 10 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "12",
        "name": "OUT11",
        "type": "output",
        "description": "Current sink output 11 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "13",
        "name": "OUT12",
        "type": "output",
        "description": "Current sink output 12 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "14",
        "name": "OUT13",
        "type": "output",
        "description": "Current sink output 13 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "15",
        "name": "OUT14",
        "type": "output",
        "description": "Current sink output 14 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "16",
        "name": "OUT15",
        "type": "output",
        "description": "Current sink output 15 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "17",
        "name": "OUT16",
        "type": "output",
        "description": "Current sink output 16 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "18",
        "name": "OUT17",
        "type": "output",
        "description": "Current sink output 17 for driving an LED cathode. Can be left floating if unused."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. On LP5018 this pin is not bonded (LP5024 uses this position for OUT18)."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. On LP5018 this pin is not bonded (LP5024 uses this position for OUT19)."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. On LP5018 this pin is not bonded (LP5024 uses this position for OUT20)."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. On LP5018 this pin is not bonded (LP5024 uses this position for OUT21)."
      },
      {
        "number": "23",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. On LP5018 this pin is not bonded (LP5024 uses this position for OUT22)."
      },
      {
        "number": "24",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. On LP5018 this pin is not bonded (LP5024 uses this position for OUT23)."
      },
      {
        "number": "25",
        "name": "ADDR0",
        "type": "input",
        "description": "I2C slave-address selection pin (LSB of address select). Must not be left floating; tie to GND or VCC to choose one of up to 4 addresses when combined with ADDR1."
      },
      {
        "number": "26",
        "name": "ADDR1",
        "type": "input",
        "description": "I2C slave-address selection pin (MSB of address select). Must not be left floating; tie to GND or VCC to choose one of up to 4 addresses when combined with ADDR0."
      },
      {
        "number": "27",
        "name": "VCC",
        "type": "power_in",
        "description": "Input power supply, 2.7 V to 5.5 V. Bypass locally with a ceramic capacitor (CVCC)."
      },
      {
        "number": "28",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C bus data line, up to 400 kHz Fast-mode. Requires an external pull-up. Compatible with 1.8 V / 3.3 V / 5 V logic. If unused, must be tied to GND or VCC."
      },
      {
        "number": "29",
        "name": "SCL",
        "type": "input",
        "description": "I2C bus clock line, up to 400 kHz Fast-mode. Requires an external pull-up. Compatible with 1.8 V / 3.3 V / 5 V logic. If unused, must be tied to GND or VCC."
      },
      {
        "number": "30",
        "name": "EN",
        "type": "input",
        "description": "Chip enable input. Drive high to enable the device; drive low to enter shutdown mode (1 uA max IQ). All LEDs turn off within 30 ms of EN going low."
      },
      {
        "number": "31",
        "name": "IREF",
        "type": "passive",
        "description": "Output current-reference global-setting pin. Connect an external resistor (RREF) from IREF to GND to set the full-scale sink current for all OUTx channels."
      },
      {
        "number": "32",
        "name": "VCAP",
        "type": "passive",
        "description": "Internal LDO output. Must be bypassed to GND with a 1 uF ceramic capacitor placed as close to the device as possible. Do not load externally."
      },
      {
        "number": "33",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed thermal pad; also serves as the device ground pin. Must be soldered to the PCB ground plane for both electrical return and thermal dissipation."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2303011630_Texas-Instruments-LP5018RSMR_C2653373.pdf",
        "pages": 54,
        "sha256": "037cc4ded68a9f65",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lp5018rsmr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b482a511cdf2cf875c31931f9fea7f745b8dac2ea6203531cd6604f40a290cb",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp5018rsmr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ba9e49a66a122da6d7f359dfc273bd76233086bdb693264a031ea5505d69a49b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-32-EP(4x4)",
      "Category": "LED-drv",
      "Pins": "33"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lp5018rsmr"
  ],
  "discovery_pitch": "LP5018RSMR (Texas Instruments) 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",
    "lp5018rsmr.kicad_sym",
    "lp5018rsmr.kicad_mod",
    "lp5018rsmr.glb",
    "lp5018rsmr.step",
    "lp5018rsmr-etched.step",
    "lp5018rsmr.lbr",
    "docs/hero.png",
    "docs/lp5018rsmr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LP5018RSMR",
      "kind": "packaging"
    },
    {
      "mpn": "LP5018RSMRRSMT",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T17:58:49.287Z"
}