TPS61194PWPRQ1

{
  "slug": "tps61194pwprq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments LED Drivers, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "nixie tube driver-led driver",
    "tps61194pwprq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps61194pwprq1.kicad_sym",
    "tps61194pwprq1.kicad_mod",
    "tps61194pwprq1.glb",
    "tps61194pwprq1.step",
    "tps61194pwprq1.lbr",
    "docs/hero.png",
    "docs/tps61194pwprq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps61194pwprq1-hero.glb",
    "tps61194pwprq1-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS61194PWPRQ1",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-20-EP",
    "pin_count": 21,
    "category": "Nixie Tube Driver/LED Driver",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps61194-q1",
    "parts": {
      "symbol": "tps61194pwprq1.kicad_sym",
      "footprint": "tps61194pwprq1.kicad_mod",
      "model_3d": "tps61194pwprq1-hero.glb",
      "model_3d_plain": "tps61194pwprq1.glb",
      "model_3d_step": "tps61194pwprq1-etched.step",
      "model_3d_step_plain": "tps61194pwprq1.step",
      "lbr": "tps61194pwprq1.lbr"
    },
    "distributor_links": {
      "lcsc": 485994,
      "digikey": "296-43817-2-ND",
      "mouser": "595-TPS61194PWPRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T19:44:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-43817-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS61194PWPRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input power pin."
      },
      {
        "number": "2",
        "name": "LDO",
        "type": "power_out",
        "description": "Output of internal LDO; connect a 1-μF decoupling capacitor between this pin and noise-free GND."
      },
      {
        "number": "3",
        "name": "FSET",
        "type": "input",
        "description": "DC-DC (boost or SEPIC) switching frequency setting resistor; for normal operation, resistor value from 24 kΩ to 219 kΩ must be connected between this pin and ground."
      },
      {
        "number": "4",
        "name": "VDDIO/EN",
        "type": "power_in",
        "description": "Enable input for the device as well as supply input (VDDIO) for digital pins."
      },
      {
        "number": "5",
        "name": "FAULT",
        "type": "output",
        "description": "Fault signal output; if unused, the pin may be left floating."
      },
      {
        "number": "6",
        "name": "SYNC",
        "type": "input",
        "description": "Input for synchronizing boost; if synchronization is not used, connect this pin to GND to disable spread spectrum or to VDDIO/EN to enable spread spectrum."
      },
      {
        "number": "7",
        "name": "PWM",
        "type": "input",
        "description": "PWM dimming input."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "10",
        "name": "ISET",
        "type": "input",
        "description": "LED current setting resistor; for normal operation, resistor value from 24 kΩ to 129 kΩ must be connected between this pin and ground."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "12",
        "name": "OUT4",
        "type": "output",
        "description": "Current sink output; this pin must be connected to GND if not used."
      },
      {
        "number": "13",
        "name": "OUT3",
        "type": "output",
        "description": "Current sink output; this pin must be connected to GND if not used."
      },
      {
        "number": "14",
        "name": "OUT2",
        "type": "output",
        "description": "Current sink output; this pin must be connected to GND if not used."
      },
      {
        "number": "15",
        "name": "OUT1",
        "type": "output",
        "description": "Current sink output; this pin must be connected to GND if not used."
      },
      {
        "number": "16",
        "name": "FB",
        "type": "input",
        "description": "DC-DC (boost or SEPIC) feedback input; for normal operation this pin must be connected to the middle of a resistor divider between VOUT and ground using feedback resistor values from 5 kΩ to 150 kΩ."
      },
      {
        "number": "17",
        "name": "PGND",
        "type": "power_in",
        "description": "DC-DC (boost or SEPIC) power ground."
      },
      {
        "number": "18",
        "name": "SW",
        "type": "output",
        "description": "DC-DC (boost or SEPIC) switch pin."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "20",
        "name": "VIN",
        "type": "power_in",
        "description": "Input power pin."
      },
      {
        "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": [
          "extractor flagged: Exposed Pad (EP): The package diagram on page 4 indicates an exposed thermal pad, but it is not form",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.1455,
        "at": "2026-10-05T19:43:57"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps61194-q1",
        "pages": 35,
        "sha256": "c2b5f35576d14f00",
        "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"
    }
  }
}