TPS55340RTER

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps55340rter",
  "title": "TPS55340RTER",
  "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)",
    "tps55340rter",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS55340RTER",
    "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/tps55340",
    "parts": {
      "symbol": "tps55340rter.kicad_sym",
      "footprint": "tps55340rter.kicad_mod",
      "model_3d": "tps55340rter-etched.glb",
      "model_3d_plain": "tps55340rter.glb",
      "model_3d_step": "tps55340rter-etched.step",
      "model_3d_step_plain": "tps55340rter.step",
      "lbr": "tps55340rter.lbr"
    },
    "distributor_links": {
      "lcsc": "C169167"
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "passive",
        "description": "Drain of the internal power MOSFET; connect to the switched side of the boost or SEPIC inductor or the flyback transformer."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin to the IC; connect VIN to a supply voltage between 2.9 V and 32 V (may differ from the boost power stage input)."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable pin; when the voltage on this pin falls below the enable threshold for more than 1 ms, the IC turns off."
      },
      {
        "number": "4",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start programming pin; a capacitor between SS and AGND programs the soft-start timing."
      },
      {
        "number": "5",
        "name": "SYNC",
        "type": "input",
        "description": "Switching frequency synchronization pin; an external clock can set the switching frequency between 200 kHz and 1.0 MHz, otherwise tie to AGND."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Signal ground of the IC."
      },
      {
        "number": "7",
        "name": "COMP",
        "type": "output",
        "description": "Output of the transconductance error amplifier; an external RC network on this pin compensates the regulator feedback loop."
      },
      {
        "number": "8",
        "name": "FB",
        "type": "input",
        "description": "Error amplifier input and feedback pin for positive voltage regulation; connect to the center tap of a resistor divider to program the output voltage."
      },
      {
        "number": "9",
        "name": "FREQ",
        "type": "passive",
        "description": "Switching frequency program pin; an external resistor between FREQ and AGND sets the switching frequency."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "Reserved pin that must be connected to ground."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground of the IC; connected to the source of the internal power MOSFET switch."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground of the IC; connected to the source of the internal power MOSFET switch."
      },
      {
        "number": "13",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground of the IC; connected to the source of the internal power MOSFET switch."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "Reserved pin that must be connected to ground."
      },
      {
        "number": "15",
        "name": "SW",
        "type": "passive",
        "description": "Drain of the internal power MOSFET; connect to the switched side of the boost or SEPIC inductor or the flyback transformer."
      },
      {
        "number": "16",
        "name": "SW",
        "type": "passive",
        "description": "Drain of the internal power MOSFET; connect to the switched side of the boost or SEPIC inductor or the flyback transformer."
      },
      {
        "number": "17",
        "name": "PowerPAD",
        "type": "power_in",
        "description": "Exposed thermal pad; should be soldered to AGND, with thermal vias to the internal ground plane recommended for improved power dissipation."
      }
    ],
    "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: PowerPAD (exposed thermal pad on package bottom) is referenced in Table 5-1 but not assigned a numbe; NC pins (10, 14) are marked as reserved but design guidelines on page 3 state 'TI recommends connect",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 45,
        "cost_usd": 0.4459,
        "at": "2026-09-22T23:26:50"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps55340",
        "pages": 45,
        "sha256": "05e4069b78ee3f03",
        "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": "tps55340rter.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps55340rter-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": "2abe26bf6add851533aabc5e4f004f1ac66b964a618019a7fc751065ffee4147",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-16-EP(3x3)",
      "Category": "Power Management (PMIC)",
      "Pins": "17"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "05e4069b78ee3f03",
      "rows": [
        {
          "name": "Supply voltages on pin VIN",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 34,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage on pin EN",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 34,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage on pins FB, FREQ, and COMP",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage on pin SS",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage on pin SYNC",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage on pin SW",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.9,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage range",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 38,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN voltage range",
          "symbol": "VEN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "External switching frequency logic input range",
          "symbol": "VSYN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.9,
          "typ": null,
          "max": 32,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating quiescent current into VIN",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "Device nonswitching, VFB = 2 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.7,
          "max": 10,
          "conditions": "EN = GND",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage lockout threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.5,
          "max": 2.7,
          "conditions": "VIN falling",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage lockout hysteresis",
          "symbol": "Vhys",
          "kind": "electrical",
          "unit": "mV",
          "min": 120,
          "typ": 140,
          "max": 160,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN threshold voltage (rising)",
          "symbol": "VEN",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": 1.08,
          "max": 1.3,
          "conditions": "EN rising input",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN threshold voltage (falling)",
          "symbol": "VEN",
          "kind": "electrical",
          "unit": "V",
          "min": 0.74,
          "typ": 0.92,
          "max": 1.125,
          "conditions": "EN falling input",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN pulldown resistor",
          "symbol": "REN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 400,
          "typ": 950,
          "max": 1600,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage feedback regulation voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.204,
          "typ": 1.229,
          "max": 1.254,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage feedback regulation voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.22,
          "typ": 1.229,
          "max": 1.238,
          "conditions": "TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage feedback input bias current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 1.6,
          "max": 20,
          "conditions": "TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier transconductance",
          "symbol": "Gea",
          "kind": "electrical",
          "unit": "µS",
          "min": 240,
          "typ": 360,
          "max": 440,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 75,
          "typ": 94,
          "max": 130,
          "conditions": "RFREQ = 480 kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 460,
          "typ": 577,
          "max": 740,
          "conditions": "RFREQ = 80 kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 920,
          "typ": 1140,
          "max": 1480,
          "conditions": "RFREQ = 40 kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum duty cycle",
          "symbol": "Dmax",
          "kind": "electrical",
          "unit": "%",
          "min": 89,
          "typ": 96,
          "max": null,
          "conditions": "VFB = 1.0 V, RFREQ = 80 kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "N-channel MOSFET on-resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 60,
          "max": 110,
          "conditions": "VIN = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "N-channel MOSFET on-resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 70,
          "max": 120,
          "conditions": "VIN = 3 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "N-channel MOSFET current limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": 5.25,
          "typ": 6.6,
          "max": 7.75,
          "conditions": "D = Dmax",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN threshold hysteresis",
          "symbol": "VENh",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.16,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown delay, SS discharge",
          "symbol": "Toff",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "EN high to low",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SYN logic high voltage",
          "symbol": "VSYNh",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SYN logic low voltage",
          "symbol": "VSYNl",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "COMP pin sink current",
          "symbol": "Isink",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 42,
          "max": null,
          "conditions": "VFB = VREF + 200 mV, VCOMP = 1 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "COMP pin source current",
          "symbol": "Isource",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 42,
          "max": null,
          "conditions": "VFB = VREF – 200 mV, VCOMP = 1 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "COMP pin clamp voltage (high clamp)",
          "symbol": "VCCLP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.1,
          "max": null,
          "conditions": "High Clamp, VFB = 1 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "COMP pin clamp voltage (low clamp)",
          "symbol": "VCCLP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.75,
          "max": null,
          "conditions": "Low Clamp, VFB = 1.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "COMP pin threshold",
          "symbol": "VCTH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.04,
          "max": null,
          "conditions": "Duty cycle = 0%",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier output resistance",
          "symbol": "Rea",
          "kind": "electrical",
          "unit": "MΩ",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier crossover frequency",
          "symbol": "fea",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FREQ pin voltage",
          "symbol": "VFREQ",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.25,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum on pulse width",
          "symbol": "Tmin_on",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 77,
          "max": null,
          "conditions": "RFREQ = 80 kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "N-channel leakage current",
          "symbol": "ILN_NFET",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.1,
          "max": null,
          "conditions": "VDS = 25 V, TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soft-start bias current",
          "symbol": "ISS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 6,
          "max": null,
          "conditions": "VSS = 0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown threshold",
          "symbol": "Tshutdown",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown threshold hysteresis",
          "symbol": "Thysteresis",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (QFN, 16 pins)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 43.3,
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