TPS51518RUKR

{
  "slug": "tps51518rukr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Power Management - Specialized, WQFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps51518rukr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps51518rukr.kicad_sym",
    "tps51518rukr.kicad_mod",
    "tps51518rukr.glb",
    "tps51518rukr.step",
    "tps51518rukr.lbr",
    "docs/hero.png",
    "docs/tps51518rukr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps51518rukr-hero.glb",
    "tps51518rukr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS51518RUKR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-20-EP(3x3)",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Management - Specialized",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps51518",
    "parts": {
      "symbol": "tps51518rukr.kicad_sym",
      "footprint": "tps51518rukr.kicad_mod",
      "model_3d": "tps51518rukr-hero.glb",
      "model_3d_plain": "tps51518rukr.glb",
      "model_3d_step": "tps51518rukr-etched.step",
      "model_3d_step_plain": "tps51518rukr.step",
      "lbr": "tps51518rukr.lbr"
    },
    "distributor_links": {
      "lcsc": 2650363,
      "digikey": "296-41748-2-ND",
      "mouser": "595-TPS51518RUKR"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T01:14:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-41748-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS51518RUKR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GSNS",
        "type": "input",
        "description": "Combined AGND and PGND point and positive on-resistance current sensing input; tie to GND with 10-Ω resistor for remote sensing."
      },
      {
        "number": "2",
        "name": "V3",
        "type": "input",
        "description": "Voltage set-point programming resistor input corresponding to 11."
      },
      {
        "number": "3",
        "name": "V2",
        "type": "input",
        "description": "Voltage set-point programming resistor input corresponding to 10."
      },
      {
        "number": "4",
        "name": "V1",
        "type": "input",
        "description": "Voltage set-point programming resistor input corresponding to 01."
      },
      {
        "number": "5",
        "name": "V0",
        "type": "input",
        "description": "Voltage set-point programming resistor input corresponding to 00."
      },
      {
        "number": "6",
        "name": "VREF",
        "type": "power_in",
        "description": "2 V, 300-µA voltage reference output; bypass to GND with 1-µF ceramic capacitor."
      },
      {
        "number": "7",
        "name": "PGOOD",
        "type": "output",
        "description": "Power good output; connect pull-up resistor."
      },
      {
        "number": "8",
        "name": "VID0",
        "type": "input",
        "description": "Logic input for set-point voltage selector supporting 1-V and 3.3-V logic; use with VID1 to select among four reference voltages."
      },
      {
        "number": "9",
        "name": "VID1",
        "type": "input",
        "description": "Logic input for set-point voltage selector supporting 1-V and 3.3-V logic; use with VID0 to select among four reference voltages."
      },
      {
        "number": "10",
        "name": "EN",
        "type": "input",
        "description": "Enable input for the device supporting 3.3-V logic."
      },
      {
        "number": "11",
        "name": "BST",
        "type": "power_in",
        "description": "Supply input for high-side MOSFET driver (bootstrap terminal); connect capacitor from this pin to SW pin."
      },
      {
        "number": "12",
        "name": "SW",
        "type": "bidirectional",
        "description": "High-side MOSFET gate driver return; RDS(on) current sensing input (−)."
      },
      {
        "number": "13",
        "name": "DRVH",
        "type": "output",
        "description": "High-side MOSFET gate driver output."
      },
      {
        "number": "14",
        "name": "DRVL",
        "type": "output",
        "description": "Synchronous low-side MOSFET gate driver output."
      },
      {
        "number": "15",
        "name": "V5IN",
        "type": "power_in",
        "description": "5-V power supply input for internal circuits and MOSFET gate drivers."
      },
      {
        "number": "16",
        "name": "MODE",
        "type": "input",
        "description": "Mode selection pin; connect to GND for D-CAP mode (350 kHz) or to 5V for D-CAP2 mode (see Table 2)."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Combined AGND and PGND ground reference point."
      },
      {
        "number": "18",
        "name": "TRIP",
        "type": "output",
        "description": "Overcurrent limit threshold setting pin; outputs 10 µA current at room temperature (TC = 4700 ppm/°C)."
      },
      {
        "number": "19",
        "name": "SLEW",
        "type": "output",
        "description": "Soft-start and VID transition rate programming pin; sources 10 µA for soft-start and 50 µA for VID transition from external capacitor."
      },
      {
        "number": "20",
        "name": "VSNS",
        "type": "input",
        "description": "Voltage sense input tied directly to the load voltage sense point; tie to VOUT with 10-Ω resistor for remote sensing."
      },
      {
        "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: Pins TRIP (18) and SLEW (19) are listed as inputs ('I') in the PIN DESCRIPTIONS table, but their fun; Thermal/Exposed pad is not assigned a standard numbered pin (1-20) in the PIN DESCRIPTIONS table. De",
          "exposed pad 21 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.1785,
        "at": "2026-10-03T01:14:07"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps51518",
        "pages": 34,
        "sha256": "b5b6864c67eb2181",
        "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"
    }
  }
}