TPS54618QRTERQ1

{
  "slug": "tps54618qrterq1",
  "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 supply chip",
    "tps54618qrterq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps54618qrterq1.kicad_sym",
    "tps54618qrterq1.kicad_mod",
    "tps54618qrterq1.glb",
    "tps54618qrterq1.step",
    "tps54618qrterq1.lbr",
    "docs/hero.png",
    "docs/tps54618qrterq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps54618qrterq1-hero.glb",
    "tps54618qrterq1-hero.overlay.json",
    "tps54618qrterq1-etched.glb"
  ],
  "component": {
    "mpn": "TPS54618QRTERQ1",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps54618-q1",
    "parts": {
      "symbol": "tps54618qrterq1.kicad_sym",
      "footprint": "tps54618qrterq1.kicad_mod",
      "model_3d": "tps54618qrterq1-hero.glb",
      "model_3d_plain": "tps54618qrterq1-etched.glb",
      "model_3d_step": "tps54618qrterq1-etched.step",
      "model_3d_step_plain": "tps54618qrterq1.step",
      "lbr": "tps54618qrterq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2865612",
      "digikey": "296-40805-2-ND",
      "mouser": "595-TPS54618QRTERQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:31:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-40805-2-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-TPS54618QRTERQ1",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "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, to be electrically connected directly to the power pad under the device."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground, to be electrically connected directly to the power pad under the device."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, to 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; 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/TR",
        "type": "bidirectional",
        "description": "Slow-start and tracking pin; an external capacitor sets the output voltage rise time, and the pin can also 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": "passive",
        "description": "Bootstrap capacitor connection required between BOOT and PH; output is forced off if the capacitor voltage is below the BOOT UVLO minimum."
      },
      {
        "number": "14",
        "name": "PWRGD",
        "type": "output",
        "description": "Open-drain output that asserts low if output voltage is low due to thermal shutdown, overcurrent, over/undervoltage or EN shutdown."
      },
      {
        "number": "15",
        "name": "EN",
        "type": "input",
        "description": "Enable pin with internal pullup current source; pull below 1.2 V to disable, float to enable, and use two resistors to adjust the UVLO threshold."
      },
      {
        "number": "16",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage, 2.95 V to 6 V."
      },
      {
        "number": "17",
        "name": "Thermal Pad",
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives the thermal pad no pin number, so 'EP' is a placeholder. Confirm it against the ; The datasheet lists BOOT as type I, but it is a bootstrap capacitor node to PH. I classed it as pass; Types for PWRGD (open-drain, set to output), RT/CLK and SS/TR (I/O, set to bidirectional) are interp"
        ],
        "pages_sent": 10,
        "cost_usd": 0.1146,
        "at": "2026-10-23T03:31:44"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54618-q1",
        "pages": 39,
        "sha256": "bd3d217442016b00",
        "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"
    },
    "models_3d": [
      {
        "file": "tps54618qrterq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps54618qrterq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ed30b56c7a80abe95223460cb30ad0ea7d37e5747d2e4177d1428c80056511c4",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}