TPS54318RTET

{
  "slug": "tps54318rtet",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps54318rtet",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps54318rtet.kicad_sym",
    "tps54318rtet.kicad_mod",
    "tps54318rtet.glb",
    "tps54318rtet.step",
    "tps54318rtet.lbr",
    "docs/hero.png",
    "docs/tps54318rtet-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps54318rtet-hero.glb",
    "tps54318rtet-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS54318RTET",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps54318",
    "parts": {
      "symbol": "tps54318rtet.kicad_sym",
      "footprint": "tps54318rtet.kicad_mod",
      "model_3d": "tps54318rtet-hero.glb",
      "model_3d_plain": "tps54318rtet.glb",
      "model_3d_step": "tps54318rtet-etched.step",
      "model_3d_step_plain": "tps54318rtet.step",
      "lbr": "tps54318rtet.lbr"
    },
    "distributor_links": {
      "lcsc": "C882748",
      "digikey": "296-25189-2-ND",
      "mouser": "595-TPS54318RTET"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T03:47:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-25189-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS54318RTET",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage range is 2.95 V to 6 V."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage range is 2.95 V to 6 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground; should be electrically connected directly to the power pad under the device."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground; should be electrically connected directly to the power pad under the device."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; should be electrically connected to GND close to the device."
      },
      {
        "number": "6",
        "name": "VSENSE",
        "type": "input",
        "description": "Inverting node of the transconductance error amplifier."
      },
      {
        "number": "7",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and input to the output switch current comparator; connect frequency compensation components to this pin."
      },
      {
        "number": "8",
        "name": "RT/CLK",
        "type": "bidirectional",
        "description": "Resistor timing or external clock input pin."
      },
      {
        "number": "9",
        "name": "SS",
        "type": "bidirectional",
        "description": "Slow-start pin; an external capacitor connected to this pin sets the output voltage rise time."
      },
      {
        "number": "10",
        "name": "PH",
        "type": "output",
        "description": "Source of the internal high-side power MOSFET and drain of the internal low-side synchronous rectifier MOSFET."
      },
      {
        "number": "11",
        "name": "PH",
        "type": "output",
        "description": "Source of the internal high-side power MOSFET and drain of the internal low-side synchronous rectifier MOSFET."
      },
      {
        "number": "12",
        "name": "PH",
        "type": "output",
        "description": "Source of the internal high-side power MOSFET and drain of the internal low-side synchronous rectifier MOSFET."
      },
      {
        "number": "13",
        "name": "BOOT",
        "type": "input",
        "description": "Bootstrap capacitor input; if voltage is below the minimum required by BOOT UVLO, the output is forced to switch off until the capacitor is refreshed."
      },
      {
        "number": "14",
        "name": "PWRGD",
        "type": "output",
        "description": "Open drain power good output; asserts low if output voltage is low due to thermal shutdown, overcurrent, over/under-voltage or EN shutdown."
      },
      {
        "number": "15",
        "name": "EN",
        "type": "input",
        "description": "Enable input with internal pull-up current source; pull below 1.2 V to disable or float to enable."
      },
      {
        "number": "16",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage range is 2.95 V to 6 V."
      },
      {
        "number": "17",
        "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": [
          "exposed pad 17 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.1437,
        "at": "2026-10-06T03:47:18"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54318",
        "pages": 41,
        "sha256": "1f9f20765ddc24aa",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}