TPS54140DGQ

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps54140dgq",
  "title": "TPS54140DGQ",
  "brief": "Texas Instruments DC-DC Converters, MSOP-10-EP. 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)",
    "tps54140dgq",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS54140DGQ",
    "manufacturer": "Texas Instruments",
    "package": "MSOP-10-EP",
    "pin_count": 11,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps54140",
    "parts": {
      "symbol": "tps54140dgq.kicad_sym",
      "footprint": "tps54140dgq.kicad_mod",
      "model_3d": "tps54140dgq-hero.glb",
      "model_3d_plain": "tps54140dgq.glb",
      "model_3d_step": "tps54140dgq-etched.step",
      "model_3d_step_plain": "tps54140dgq.step",
      "lbr": "tps54140dgq.lbr"
    },
    "distributor_links": {
      "lcsc": "C1355282",
      "digikey": "296-23970-5-ND",
      "mouser": "595-TPS54140DGQ"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T22:02:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-23970-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS54140DGQ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "output",
        "description": "A bootstrap capacitor is required between the BOOT and PH pins; if the voltage on this capacitor falls below the device minimum, the output is forced off until the capacitor is refreshed."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage pin, specified for 3.5 V to 42 V operation."
      },
      {
        "number": "3",
        "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 set the input undervoltage lockout."
      },
      {
        "number": "4",
        "name": "SS/TR",
        "type": "input",
        "description": "Slow-start and tracking pin where an external capacitor sets the output rise time; because its voltage overrides the internal reference, it can be used for tracking and sequencing."
      },
      {
        "number": "5",
        "name": "RT/CLK",
        "type": "input",
        "description": "Resistor timing and external clock pin: an external resistor to ground sets the switching frequency, and pulling the pin above the PLL upper threshold makes it a high-impedance synchronization input."
      },
      {
        "number": "6",
        "name": "PWRGD",
        "type": "output",
        "description": "Open-drain power-good output that is asserted low when the output is low due to thermal shutdown, dropout, overvoltage, or EN shutdown (sink current limited to 10 mA)."
      },
      {
        "number": "7",
        "name": "VSENSE",
        "type": "input",
        "description": "Inverting node of the transconductance (gm) error amplifier; absolute maximum rating is -0.3 V to 3 V."
      },
      {
        "number": "8",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and input to the output-switch current comparator; frequency compensation components connect to this pin (absolute maximum rating -0.3 V to 3 V)."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, which must be electrically connected to the exposed PowerPAD on the printed circuit board for proper operation."
      },
      {
        "number": "10",
        "name": "PH",
        "type": "output",
        "description": "Source of the internal high-side power MOSFET; absolute maximum output voltage is -0.6 V to 47 V (-2 V for 10-ns transients)."
      },
      {
        "number": "11",
        "name": "Thermal Pad",
        "type": "power_in",
        "description": "Exposed PowerPAD that must be electrically connected to the GND pin/PCB ground plane for proper operation; PAD-to-GND voltage difference is limited to ±200 mV."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-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 pin table lists the thermal pad with no ERC type ('—'). It is typed power_in here beca; The datasheet lists BOOT as type O. It is recorded as output to match the datasheet, but it is a boo; The datasheet pin table gives no ERC class for PH beyond O; it is recorded as output as printed. The"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0503,
        "at": "2026-10-08T22:02:13"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54140",
        "pages": 55,
        "sha256": "b1aa27b28e4a5124",
        "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"
    },
    "models_3d": [
      {
        "file": "tps54140dgq.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "18605eed706df7bb9674107abe7aa36e0ba163a09c21a2cee6c75cfa291b7937",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps54140dgq-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d91b1defa7ac65146aea6c12869238f37e1255c02954ba324e7d6242cefbc2f8",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "MSOP-10-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "11"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tps54140dgq"
  ],
  "discovery_pitch": "TPS54140DGQ (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": [
    "page.json",
    "README.md",
    "tps54140dgq.kicad_sym",
    "tps54140dgq.kicad_mod",
    "tps54140dgq.glb",
    "tps54140dgq.step",
    "tps54140dgq.lbr",
    "docs/hero.png",
    "docs/tps54140dgq-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps54140dgq-hero.glb",
    "tps54140dgq-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}