TPS92381PWPR

{
  "slug": "tps92381pwpr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments LED Drivers, HTSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "tps92381pwpr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps92381pwpr.kicad_sym",
    "tps92381pwpr.kicad_mod",
    "tps92381pwpr.glb",
    "tps92381pwpr.step",
    "tps92381pwpr.lbr",
    "docs/hero.png",
    "docs/tps92381pwpr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "TPS92381PWPR",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-20",
    "pin_count": 21,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps92381",
    "parts": {
      "symbol": "tps92381pwpr.kicad_sym",
      "footprint": "tps92381pwpr.kicad_mod",
      "model_3d": "tps92381pwpr-etched.glb",
      "model_3d_plain": "tps92381pwpr.glb",
      "model_3d_step": "tps92381pwpr-etched.step",
      "model_3d_step_plain": "tps92381pwpr.step",
      "lbr": "tps92381pwpr.lbr"
    },
    "distributor_links": {
      "lcsc": "C3191065",
      "digikey": "296-TPS92381PWPRTR-ND",
      "mouser": "595-TPS92381PWPR"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T17:09:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS92381PWPRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-TPS92381PWPR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input power pin; used for input voltage OVP detection and current sense."
      },
      {
        "number": "2",
        "name": "LDO",
        "type": "power_out",
        "description": "Regulated output of internal LDO; connect 1-\u03bcF capacitor between this pin and ground."
      },
      {
        "number": "3",
        "name": "FSET",
        "type": "input",
        "description": "Frequency setting pin; connect 24 k\u03a9 to 219 k\u03a9 resistor to ground for normal operation."
      },
      {
        "number": "4",
        "name": "VDDIO/EN",
        "type": "power_in",
        "description": "Digital I/O supply voltage input and device enable control."
      },
      {
        "number": "5",
        "name": "FAULT",
        "type": "tri_state",
        "description": "Open-drain fault signal output indicating device fault conditions; may be left floating if unused."
      },
      {
        "number": "6",
        "name": "SYNC",
        "type": "input",
        "description": "DC-DC synchronization input; connect to ground to disable spread spectrum or to VDDIO/EN to enable spread spectrum."
      },
      {
        "number": "7",
        "name": "PWM",
        "type": "input",
        "description": "PWM brightness control input."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference."
      },
      {
        "number": "10",
        "name": "ISET",
        "type": "input",
        "description": "LED current setting pin; connect 20 k\u03a9 to 129 k\u03a9 resistor to ground for normal operation."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference."
      },
      {
        "number": "12",
        "name": "OUT4",
        "type": "output",
        "description": "LED channel 4 current sink output for TPS92381; must be connected to ground if unused."
      },
      {
        "number": "13",
        "name": "OUT3",
        "type": "output",
        "description": "LED channel 3 current sink output; must be connected to ground if unused."
      },
      {
        "number": "14",
        "name": "OUT2",
        "type": "output",
        "description": "LED channel 2 current sink output; must be connected to ground if unused."
      },
      {
        "number": "15",
        "name": "OUT1",
        "type": "output",
        "description": "LED channel 1 current sink output; must be connected to ground if unused."
      },
      {
        "number": "16",
        "name": "FB",
        "type": "input",
        "description": "DC-DC feedback input for output voltage; must be connected to center of resistor divider using feedback resistors greater than 5 k\u03a9."
      },
      {
        "number": "17",
        "name": "PGND",
        "type": "power_in",
        "description": "DC-DC converter power ground."
      },
      {
        "number": "18",
        "name": "SW",
        "type": "output",
        "description": "DC-DC switching node; output of internal power FET for boost or SEPIC converter mode."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "20",
        "name": "VIN",
        "type": "power_in",
        "description": "Input power pin; also used for input voltage detection and OVP protection."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 9,
        "cost_usd": 0.2349,
        "at": "2026-10-01T17:09:35"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps92381",
        "pages": 41,
        "sha256": "c88baadf4de50f76",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}