TPS54678RTER

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps54678rter",
  "title": "TPS54678RTER",
  "brief": "Texas Instruments DC-DC Converters, WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "tps54678rter",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS54678RTER",
    "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/tps54678",
    "parts": {
      "symbol": "tps54678rter.kicad_sym",
      "footprint": "tps54678rter.kicad_mod",
      "model_3d": "tps54678rter-etched.glb",
      "model_3d_plain": "tps54678rter.glb",
      "model_3d_step": "tps54678rter-etched.step",
      "model_3d_step_plain": "tps54678rter.step",
      "lbr": "tps54678rter.lbr"
    },
    "distributor_links": {
      "lcsc": "C2070633",
      "digikey": "296-34809-2-ND",
      "mouser": "595-TPS54678RTER"
    },
    "distributor_check": {
      "checked_at": "2026-09-26T23:34:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-34809-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS54678RTER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage, 2.95 V to 6 V."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage, 2.95 V to 6 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground that should be electrically connected directly to the thermal pad under the device."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground that should be electrically connected directly to the thermal pad under the device."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground that should be electrically connected to GND close to the device."
      },
      {
        "number": "6",
        "name": "VSENSE",
        "type": "input",
        "description": "Inverting node of the transconductance (gm) error amplifier."
      },
      {
        "number": "7",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and input to the output switch current comparator; frequency compensation components should be connected to this pin."
      },
      {
        "number": "8",
        "name": "RT/CLK",
        "type": "bidirectional",
        "description": "Resistor Timing or External Clock input pin for adjusting switching frequency from 200 kHz to 2 MHz or synchronizing to an external clock."
      },
      {
        "number": "9",
        "name": "SS/TR",
        "type": "bidirectional",
        "description": "Slow-start and Tracking pin; an external capacitor connected to this pin sets the output voltage rise time and can be used for tracking."
      },
      {
        "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 connection; a 0.1 μF ceramic capacitor is required between BOOT and PH; output is forced to switch off if voltage falls below minimum BOOT UVLO threshold of 2.2 V."
      },
      {
        "number": "14",
        "name": "PWRGD",
        "type": "output",
        "description": "Open-drain output that asserts low if output voltage is low due to thermal shutdown, overvoltage, undervoltage, or EN shutdown; de-asserts when VSENSE is within 93% to 103% of internal reference."
      },
      {
        "number": "15",
        "name": "EN",
        "type": "input",
        "description": "Enable pin with internal pullup current source; pull below 1.2 V to disable, float to enable; rising threshold 1.3 V, falling threshold 1.18 V; can be used to set on/off threshold with two additional resistors."
      },
      {
        "number": "16",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage, 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 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "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": 44,
        "cost_usd": 0.4078,
        "at": "2026-09-26T23:34:10"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54678",
        "pages": 44,
        "sha256": "5946bc6105aff6d5",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-16-EP(3x3)",
      "Category": "Power Management (PMIC)",
      "Pins": "17"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tps54678rter"
  ],
  "discovery_pitch": "TPS54678RTER (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "tps54678rter.kicad_sym",
    "tps54678rter.kicad_mod",
    "tps54678rter.glb",
    "tps54678rter.step",
    "tps54678rter.lbr",
    "docs/hero.png",
    "docs/tps54678rter-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  }
}