TPS54352PWPR

{
  "slug": "tps54352pwpr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "tps54352pwpr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps54352pwpr.kicad_sym",
    "tps54352pwpr.kicad_mod",
    "tps54352pwpr.glb",
    "tps54352pwpr.step",
    "tps54352pwpr.lbr",
    "docs/hero.png",
    "docs/tps54352pwpr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps54352pwpr-hero.glb",
    "tps54352pwpr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS54352PWPR",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-16-EP",
    "pin_count": 17,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps54356",
    "parts": {
      "symbol": "tps54352pwpr.kicad_sym",
      "footprint": "tps54352pwpr.kicad_mod",
      "model_3d": "tps54352pwpr-hero.glb",
      "model_3d_plain": "tps54352pwpr.glb",
      "model_3d_step": "tps54352pwpr-etched.step",
      "model_3d_step_plain": "tps54352pwpr.step",
      "lbr": "tps54352pwpr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2072793",
      "digikey": "TPS54352PWPR-ND",
      "mouser": "595-TPS54352PWPR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T15:32:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TPS54352PWPR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-TPS54352PWPR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage, 4.5 V to 20 V; must be bypassed with a low ESR 10-µF ceramic capacitor placed as close to the device as possible (pins 1 and 2 are both VIN)."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage, 4.5 V to 20 V; must be bypassed with a low ESR 10-µF ceramic capacitor placed as close to the device as possible (pins 1 and 2 are both VIN)."
      },
      {
        "number": "3",
        "name": "UVLO",
        "type": "input",
        "description": "Undervoltage lockout pin; an external resistive divider from VIN overrides the internal default VIN start and stop thresholds (never connect directly to VIN)."
      },
      {
        "number": "4",
        "name": "PWRGD",
        "type": "output",
        "description": "Open-drain power good output; a low indicates the output is below the desired output voltage, with an internal rising edge filter on the comparator output."
      },
      {
        "number": "5",
        "name": "RT",
        "type": "input",
        "description": "Frequency setting pin; a resistor from RT to AGND sets the switching frequency, while grounding or floating it selects an internally preselected frequency (250 kHz grounded, 500 kHz floating)."
      },
      {
        "number": "6",
        "name": "SYNC",
        "type": "bidirectional",
        "description": "Bidirectional synchronization I/O; output when RT is floating or low, input on a falling edge signal when an RT resistor is used, and a 10 kΩ resistor must always be tied from SYNC to ground."
      },
      {
        "number": "7",
        "name": "ENA",
        "type": "input",
        "description": "Enable pin; below 0.5 V the device stops switching, and floating the pin enables the device."
      },
      {
        "number": "8",
        "name": "COMP",
        "type": "passive",
        "description": "Error amplifier output; do not connect anything to this pin."
      },
      {
        "number": "9",
        "name": "VSENSE",
        "type": "input",
        "description": "Feedback pin (error amplifier inverting input)."
      },
      {
        "number": "10",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground internally connected to the sensitive analog ground circuitry; connect to PGND and PowerPAD."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, the noisy internal ground carrying LSG driver return currents; connect to AGND and PowerPAD."
      },
      {
        "number": "12",
        "name": "VBIAS",
        "type": "power_out",
        "description": "Internal 8.0-V bias voltage requiring a 1.0-µF ceramic bypass capacitor, with up to 1 mA available for external use."
      },
      {
        "number": "13",
        "name": "LSG",
        "type": "output",
        "description": "Gate drive for the optional low side n-channel MOSFET; otherwise leave open and connect a schottky diode from ground to PH."
      },
      {
        "number": "14",
        "name": "PH",
        "type": "output",
        "description": "Phase node; connect to the external L-C filter (pins 14 and 15 are both PH)."
      },
      {
        "number": "15",
        "name": "PH",
        "type": "output",
        "description": "Phase node; connect to the external L-C filter (pins 14 and 15 are both PH)."
      },
      {
        "number": "16",
        "name": "BOOT",
        "type": "passive",
        "description": "Bootstrap capacitor for the high side gate driver; connect a 0.1-µF ceramic capacitor from BOOT to PH."
      },
      {
        "number": "17",
        "name": "PowerPAD",
        "type": "power_in",
        "description": "Exposed thermal pad; PGND and AGND pins must be connected to it for proper operation."
      }
    ],
    "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 PowerPAD exposed thermal pad is not given a pin number in the datasheet text, so it is omitted f; The pinout is taken from the TPS5435x family pin table on page 7, which is shared by all TPS5435x va",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 13,
        "cost_usd": 0.084,
        "at": "2026-10-08T15:32:27"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54356",
        "pages": 37,
        "sha256": "1e7f079dce00c4b2",
        "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": "tps54352pwpr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps54352pwpr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "57ac52c92a439122974c331d10f121e562482f97e10db4c022a0c01d955cc9b7",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}