TPS55340RTET

{
  "slug": "tps55340rtet",
  "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 management (pmic)",
    "tps55340rtet",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps55340rtet.kicad_sym",
    "tps55340rtet.kicad_mod",
    "tps55340rtet.glb",
    "tps55340rtet.step",
    "tps55340rtet.lbr",
    "docs/hero.png",
    "docs/tps55340rtet-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "TPS55340RTET",
    "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": "tps55340rtet.kicad_sym",
      "footprint": "tps55340rtet.kicad_mod",
      "model_3d": "tps55340rtet-etched.glb",
      "model_3d_plain": "tps55340rtet.glb",
      "model_3d_step": "tps55340rtet-etched.step",
      "model_3d_step_plain": "tps55340rtet.step",
      "lbr": "tps55340rtet.lbr"
    },
    "distributor_links": {
      "lcsc": "C2876389"
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "passive",
        "description": "Drain of the internal power MOSFET switch; 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 to a supply voltage between 2.9 V and 32 V, which 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 signal 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 connected to 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 connected between FREQ and AGND sets the switching frequency."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "Reserved pin that must be connected to ground (TI recommends connecting NC to AGND)."
      },
      {
        "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 (TI recommends connecting NC to AGND)."
      },
      {
        "number": "15",
        "name": "SW",
        "type": "passive",
        "description": "Drain of the internal power MOSFET switch; 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 switch; 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, and thermal vias to an internal ground plane are 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": [
          "exposed pad 17 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 45,
        "cost_usd": 0.4739,
        "at": "2026-09-24T08:55:18"
      },
      "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": "tps55340rtet.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": "tps55340rtet-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,
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3f0083fa7f8ac397d56106ddb1343b8bd17ef3674a71f92202543ee31b11d134",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}