TPS54140DGQR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps54140dgqr",
  "title": "TPS54140DGQR",
  "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)",
    "tps54140dgqr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS54140DGQR",
    "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": "tps54140dgqr.kicad_sym",
      "footprint": "tps54140dgqr.kicad_mod",
      "model_3d": "tps54140dgqr-etched.glb",
      "model_3d_plain": "tps54140dgqr.glb",
      "model_3d_step": "tps54140dgqr-etched.step",
      "model_3d_step_plain": "tps54140dgqr.step",
      "lbr": "tps54140dgqr.lbr"
    },
    "distributor_links": {
      "lcsc": "C105260"
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "output",
        "description": "Bootstrap capacitor pin; requires 0.1μF ceramic capacitor to PH pin for gate-drive voltage; monitoring circuit forces high-side MOSFET off when boot voltage drops below 2.1V minimum threshold."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input power supply pin accepting 3.5V to 42V DC voltage for step-down buck converter operation."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable pin with internal 0.9μA pullup current source; pull below 1.2V threshold to disable or float to enable; adjust input UVLO with external resistor divider."
      },
      {
        "number": "4",
        "name": "SS/TR",
        "type": "input",
        "description": "Slow-start and tracking pin; external capacitor (0.47nF to 0.47μF) controls output voltage rise time; voltage overrides internal 0.8V reference for ratiometric sequencing applications."
      },
      {
        "number": "5",
        "name": "RT/CLK",
        "type": "input",
        "description": "Resistor timing and external clock input pin; connect resistor to ground to set switching frequency (100kHz to 2500kHz) or accept external clock (300kHz to 2200kHz) for synchronization."
      },
      {
        "number": "6",
        "name": "PWRGD",
        "type": "tri_state",
        "description": "Open-drain power good output; asserts low when VSENSE voltage is outside 92% to 107% window, during thermal shutdown exceeding 182°C, UVLO, or EN pin pulled below 1.25V."
      },
      {
        "number": "7",
        "name": "VSENSE",
        "type": "input",
        "description": "Inverting input node of transconductance error amplifier with 97μA/V gain; connect to resistor divider from output voltage for feedback comparison to internal 0.8V reference."
      },
      {
        "number": "8",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and peak current comparator input pin; provides control signal to PWM comparator; connect frequency compensation network to ground from this node."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection pin; must be electrically connected to exposed thermal pad and PCB ground plane using multiple vias for proper device operation and heat dissipation."
      },
      {
        "number": "10",
        "name": "PH",
        "type": "output",
        "description": "High-side MOSFET source pin serving as switching node; connected to output inductor cathode and catch diode anode; voltage swings 0V to VIN with peak inductor current capability."
      },
      {
        "number": "11",
        "name": "Thermal Pad",
        "type": "passive",
        "description": "Exposed thermal pad for heat dissipation; must be soldered to PCB and connected to ground plane via multiple vias for thermal performance."
      }
    ],
    "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-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The package is listed as MSOP-10-EP in the hint but referred to as HVSSOP DGQ 10-pin with PowerPAD i"
        ],
        "pages_sent": 55,
        "cost_usd": 0.4723,
        "at": "2026-09-22T18:54:49"
      },
      "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": "tps54140dgqr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "18605eed706df7bb9674107abe7aa36e0ba163a09c21a2cee6c75cfa291b7937",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps54140dgqr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8c4af0201df04c1df66e1ff459f7a331c607493d81884286bd25b95cf169eed7",
        "checked": "2026-10-07",
        "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": [
    "tps54140dgqr"
  ],
  "discovery_pitch": "TPS54140DGQR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps54140dgqr.kicad_sym",
    "tps54140dgqr.kicad_mod",
    "tps54140dgqr.glb",
    "tps54140dgqr.step",
    "tps54140dgqr.lbr",
    "docs/hero.png",
    "docs/tps54140dgqr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T12:06:56.546Z"
}