main
Ray tps54040dgqr: specified limits as data (metadata.characteristics, 47 rows from the datasheet) b291df8 25d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "tps54040dgqr",
  "title": "TPS54040DGQR",
  "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)",
    "tps54040dgqr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS54040DGQR",
    "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/tps54040",
    "parts": {
      "symbol": "tps54040dgqr.kicad_sym",
      "footprint": "tps54040dgqr.kicad_mod",
      "model_3d": "tps54040dgqr-etched.glb",
      "model_3d_plain": "tps54040dgqr.glb",
      "model_3d_step": "tps54040dgqr-etched.step",
      "model_3d_step_plain": "tps54040dgqr.step",
      "lbr": "tps54040dgqr.lbr"
    },
    "distributor_links": {
      "lcsc": "C138718"
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "output",
        "description": "Bootstrap capacitor node for high-side MOSFET gate drive, requiring 0.1 μF ceramic capacitor between BOOT and PH to provide gate voltage."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input power supply voltage with operating range 3.5 V to 42 V and absolute maximum rating of 47 V."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable control input with enable threshold 0.9 V to 1.55 V and internal pull-up current source for adjustable input UVLO."
      },
      {
        "number": "4",
        "name": "SS/TR",
        "type": "input",
        "description": "Slow-start and tracking input for setting output voltage rise time using external capacitor with 2 μA internal charge current."
      },
      {
        "number": "5",
        "name": "RT/CLK",
        "type": "input",
        "description": "Resistor timing and external clock input for adjusting switching frequency from 100 kHz to 2500 kHz via resistor or external synchronization signal."
      },
      {
        "number": "6",
        "name": "PWRGD",
        "type": "tri_state",
        "description": "Open-drain power-good output asserted low when output voltage is outside 94% to 107% of nominal reference or during thermal shutdown/UVLO."
      },
      {
        "number": "7",
        "name": "VSENSE",
        "type": "input",
        "description": "Inverting input to transconductance error amplifier for output voltage feedback with maximum rating −0.3 V to 3 V."
      },
      {
        "number": "8",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output with DC gain 10,000 V/V and transconductance 97 μA/V for external frequency compensation network connection."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference and return path, must be electrically connected to exposed thermal pad for proper operation."
      },
      {
        "number": "10",
        "name": "PH",
        "type": "output",
        "description": "High-side MOSFET source and switching node connecting to output inductor and catch diode with voltage rating −0.6 V to 47 V."
      },
      {
        "number": "11",
        "name": "PowerPAD",
        "type": "power_in",
        "description": "Exposed thermal pad electrically connected to GND, required for thermal management and junction temperature control of IC."
      }
    ],
    "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": [],
        "pages_sent": 56,
        "cost_usd": 0.4897,
        "at": "2026-09-22T21:20:31"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54040",
        "pages": 56,
        "sha256": "5d8a2e37ee318b10",
        "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": "tps54040dgqr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          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": "tps54040dgqr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.0,
          0.95
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a923ba7629d530d24e62bb98ff1a16b4d1d1b4db91de70483222013920169c6a",
        "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"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5d8a2e37ee318b10",
      "rows": [
        {
          "name": "VIN input voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 47,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "BOOT voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 55,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VSENSE voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "COMP voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PWRGD voltage",
          "symbol": "",
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          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
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        },
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          "name": "SS/TR voltage",
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          "max": 3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "RT/CLK voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "BOOT-PH voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PH output voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.6,
          "typ": null,
          "max": 47,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "PH voltage transient",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2,
          "typ": null,
          "max": 47,
          "conditions": "10-ns transient",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage difference PAD to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": -200,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN current (source/sink, direction as printed in table)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
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        },
        {
          "name": "BOOT current (source/sink, direction as printed in table)",
          "symbol": "",
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          "typ": null,
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        },
        {
          "name": "VSENSE current (source/sink, direction as printed in table)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "RT/CLK current (source/sink, direction as printed in table)",
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          "name": "COMP sink current",
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        },
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          "name": "PWRGD sink current",
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        },
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          "name": "SS/TR current (source/sink, direction as printed in table)",
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          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature (absolute maximum)",
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          "unit": "°C",
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        {
          "name": "Storage temperature",
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          "unit": "°C",
          "min": -65,
          "typ": null,
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        },
        {
          "name": "VIN supply voltage",
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          "min": 3.5,
          "typ": null,
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          "conditions": "",
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        {
          "name": "Output voltage range for adjustable voltage",
          "symbol": "",
          "kind": "recommended_operating",
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          "min": 0.8,
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          "conditions": "TJ = –40°C to 150°C, VIN = 3.5 to 42 V",
          "source_page": 5,
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        {
          "name": "Shutdown supply current",
          "symbol": "",
          "kind": "electrical",
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          "conditions": "EN = 0 V, 25°C, 3.5 V ≤ VIN ≤ 42 V",
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        {
          "name": "Operating nonswitching supply current",
          "symbol": "",
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          "unit": "μA",
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          "typ": 116,
          "max": 136,
          "conditions": "VSENSE = 0.83 V, VIN = 12 V, 25°C",
          "source_page": 5,
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        {
          "name": "Enable threshold voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": 1.25,
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          "conditions": "No voltage hysteresis, rising and falling, 25°C",
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        {
          "name": "Error amplifier source/sink current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": -7,
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          "conditions": "V(COMP) = 1 V, 100 mV overdrive",
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        },
        {
          "name": "Voltage reference",
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          "conditions": "TJ = 25°C",
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          "conditions": "VIN = 12 V, BOOT-PH = 6 V",
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          "name": "Switching frequency",
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          "max": 720,
          "conditions": "RT = 200 kΩ",
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        {
          "name": "Switching frequency range (CLK mode)",
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        },
        {
          "name": "Minimum CLK input pulse width",
          "symbol": "",
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        },
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        },
        {
          "name": "Minimum VIN for defined output",
          "symbol": "",
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          "unit": "V",
          "min": null,
          "typ": 0.95,
          "max": 1.5,
          "conditions": "V(PWRGD) < 0.5 V, II(PWRGD) = 100 μA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (standard board)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 62.5,
          "max": null,
          "conditions": "standard board",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance (printed with symbol RθJA)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 83,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (custom board) (printed with symbol RθJC(top))",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 57,
          "max": null,
          "conditions": "custom board",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 28,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 1.7,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 20.1,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (bottom) thermal resistance",
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