TPS55332QPWPRQ1

{
  "slug": "tps55332qpwprq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "tps55332qpwprq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps55332qpwprq1.kicad_sym",
    "tps55332qpwprq1.kicad_mod",
    "tps55332qpwprq1.glb",
    "tps55332qpwprq1.step",
    "tps55332qpwprq1.lbr",
    "docs/hero.png",
    "docs/tps55332qpwprq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps55332qpwprq1-hero.glb",
    "tps55332qpwprq1-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS55332QPWPRQ1",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-20-EP",
    "pin_count": 21,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps55332-q1",
    "parts": {
      "symbol": "tps55332qpwprq1.kicad_sym",
      "footprint": "tps55332qpwprq1.kicad_mod",
      "model_3d": "tps55332qpwprq1-hero.glb",
      "model_3d_plain": "tps55332qpwprq1.glb",
      "model_3d_step": "tps55332qpwprq1-etched.step",
      "model_3d_step_plain": "tps55332qpwprq1.step",
      "lbr": "tps55332qpwprq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2071400",
      "digikey": "296-24622-2-ND",
      "mouser": "595-TPS55332QPWPRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T22:42:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-24622-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS55332QPWPRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected; the datasheet says to connect this pin to ground."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected; the datasheet says to connect this pin to ground."
      },
      {
        "number": "3",
        "name": "SYNC",
        "type": "input",
        "description": "External synchronization clock input with a 62-kΩ (typ) pull-down resistor."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Connect to ground."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable input for on/off control of the regulator, high-voltage tolerant."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "passive",
        "description": "Resistor connection that programs the internal oscillator frequency."
      },
      {
        "number": "7",
        "name": "Rslew",
        "type": "passive",
        "description": "Connection for the internal switch programmable slew-rate control."
      },
      {
        "number": "8",
        "name": "RST",
        "type": "output",
        "description": "Reset output, open drain and active low."
      },
      {
        "number": "9",
        "name": "Cdly",
        "type": "passive",
        "description": "Reset delay timer, programmed by an external capacitor."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground (DVSS and substrate reference); the datasheet lists this pin as O but it is the analog ground connection."
      },
      {
        "number": "11",
        "name": "SS",
        "type": "passive",
        "description": "Programmable soft-start, set by an external capacitor."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Connect to ground."
      },
      {
        "number": "13",
        "name": "RST_TH",
        "type": "input",
        "description": "Input for reset circuitry to detect undervoltage on the output, with adjustable threshold."
      },
      {
        "number": "14",
        "name": "VSENSE",
        "type": "input",
        "description": "Feedback input for voltage-mode control, connected to the output divider."
      },
      {
        "number": "15",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output used for external loop compensation."
      },
      {
        "number": "16",
        "name": "VReg",
        "type": "input",
        "description": "Internal low-side FET connection that loads the output during start-up or limits overshoot; tied to Vout."
      },
      {
        "number": "17",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground connection for the switching stage."
      },
      {
        "number": "18",
        "name": "SW",
        "type": "bidirectional",
        "description": "Switched drain output/input of the internal 60-V power MOSFET."
      },
      {
        "number": "19",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input voltage supply pin for the boost converter."
      },
      {
        "number": "20",
        "name": "BOOT",
        "type": "passive",
        "description": "Bootstrap capacitor pump connection."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 exposed thermal pad (PowerPAD, referenced as the EP in HTSSOP-20-EP) is not given a pin number i; Pins 1 and 2 are NC in the table but the description says 'Connect to ground'. Typed as unconnected ; Datasheet direction/type was remapped to KiCad ERC classes: GND/PGND pins typed power_in (pin 10 is ",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0724,
        "at": "2026-10-08T22:41:19"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps55332-q1",
        "pages": 36,
        "sha256": "43d7dcf970a38188",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "tps55332qpwprq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.41,
          6.5,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "02fa5687b436162b16c0e117254c008f51cbc092aea16928434c8d5cabb502da",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps55332qpwprq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.41,
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9064b6897e3acd45d6c4b89971b9f77f4d0b4635b973b05c170a9afe43d172c9",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}