TPS51218DSCR

{
  "slug": "tps51218dscr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, WSON-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps51218dscr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps51218dscr.kicad_sym",
    "tps51218dscr.kicad_mod",
    "tps51218dscr.glb",
    "tps51218dscr.step",
    "tps51218dscr.lbr",
    "docs/hero.png",
    "docs/tps51218dscr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps51218dscr-hero.glb",
    "tps51218dscr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS51218DSCR",
    "manufacturer": "Texas Instruments",
    "package": "WSON-10-EP(3x3)",
    "pin_count": 11,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps51218",
    "parts": {
      "symbol": "tps51218dscr.kicad_sym",
      "footprint": "tps51218dscr.kicad_mod",
      "model_3d": "tps51218dscr-hero.glb",
      "model_3d_plain": "tps51218dscr.glb",
      "model_3d_step": "tps51218dscr-etched.step",
      "model_3d_step_plain": "tps51218dscr.step",
      "lbr": "tps51218dscr.lbr"
    },
    "distributor_links": {
      "lcsc": 129763,
      "digikey": "296-41745-2-ND",
      "mouser": "595-TPS51218DSCR"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T00:47:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-41745-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS51218DSCR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PGOOD",
        "type": "output",
        "description": "Power-good open-drain output with internal comparator window at 92.5%-107.5% nominal output voltage, 1 mA sink capability at 0.5V, 1 ms turn-on delay and 2 μs turn-off delay."
      },
      {
        "number": "2",
        "name": "TRIP",
        "type": "input",
        "description": "Over-current limit threshold setting input with 10 μA sourced current (4700 ppm/°C temperature coefficient), accepting 0.2 V to 3.0 V to establish OCL threshold voltage."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable control input with 0.5 V disable threshold and 1.8 V enable threshold; pull low to disable device."
      },
      {
        "number": "4",
        "name": "VFB",
        "type": "input",
        "description": "Feedback voltage input regulated to 0.7 V nominal within ±0.5-1.6% accuracy over -40°C to 85°C range, with input bias current 0.01-0.2 μA at 0.735 V."
      },
      {
        "number": "5",
        "name": "RF",
        "type": "input",
        "description": "Frequency and mode selection input; connect resistor to ground for auto-skip or to PGOOD for forced CCM mode, with resistor values 39kΩ-470kΩ setting switching frequencies 290-430 kHz."
      },
      {
        "number": "6",
        "name": "DRVL",
        "type": "output",
        "description": "Ground-referenced low-side gate driver output with 0.5-2.2 Ω output impedance and 30 ns maximum dead-time specification before DRVH turn-on."
      },
      {
        "number": "7",
        "name": "V5IN",
        "type": "power_in",
        "description": "5 V auxiliary supply input specified 4.5-6.5 V nominally, with typical supply current 320-500 μA under load and 1 μA in shutdown."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "bidirectional",
        "description": "Switching node for external high-side MOSFET drain connection, serving as gate drive return path, minimum on-time ramp reference source, and active output discharge path."
      },
      {
        "number": "9",
        "name": "DRVH",
        "type": "output",
        "description": "High-side floating gate driver output with gate drive voltage determined by VBST-to-SW bootstrap capacitor voltage, 1.5-3 Ω source impedance, and 35 ns maximum dead-time before DRVL turn-on."
      },
      {
        "number": "10",
        "name": "VBST",
        "type": "power_in",
        "description": "Bootstrap supply terminal for high-side gate driver requiring 10-100 μF external flying capacitor connection from VBST to SW pin, internally connected to V5IN through bootstrap MOSFET."
      },
      {
        "number": "11",
        "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: Thermal pad (EP) in WSON-10 packages typically includes internal ground connections; datasheet state",
          "exposed pad 11 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.1111,
        "at": "2026-10-03T00:46:55"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps51218",
        "pages": 30,
        "sha256": "a4e19df548ae6c94",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}