TPS54329DDAR

{
  "slug": "tps54329ddar",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOIC-8-EP. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps54329ddar",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps54329ddar.kicad_sym",
    "tps54329ddar.kicad_mod",
    "tps54329ddar.glb",
    "tps54329ddar.step",
    "tps54329ddar.lbr",
    "docs/hero.png",
    "docs/tps54329ddar-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "TPS54329DDAR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps54329",
    "parts": {
      "symbol": "tps54329ddar.kicad_sym",
      "footprint": "tps54329ddar.kicad_mod",
      "model_3d": "tps54329ddar-etched.glb",
      "model_3d_plain": "tps54329ddar.glb",
      "model_3d_step": "tps54329ddar-etched.step",
      "model_3d_step_plain": "tps54329ddar.step",
      "lbr": "tps54329ddar.lbr"
    },
    "distributor_links": {
      "lcsc": "C37647"
    },
    "pins": [
      {
        "number": "1",
        "name": "VBST",
        "type": "power_in",
        "description": "Bootstrap supply for high-side FET gate drive; connect 0.1µF capacitor between VBST and SW pins, with internal diode to VREG5."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage supply pin."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Switch node connection between high-side NFET and low-side NFET."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground return for switching circuit; connect sensitive SS and VFB returns at a single point."
      },
      {
        "number": "5",
        "name": "VFB",
        "type": "input",
        "description": "Converter feedback input; connect to output voltage with feedback resistor divider."
      },
      {
        "number": "6",
        "name": "VREG5",
        "type": "power_out",
        "description": "5.5 V regulated power supply output; connect 0.47µF capacitor to GND (inactive when EN is low)."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable input control (active high); must be pulled up to enable the device."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "input",
        "description": "Soft-start control; connect external capacitor to GND for adjustable soft-start time."
      },
      {
        "number": "9",
        "name": "Exposed Thermal Pad",
        "type": "power_in",
        "description": "Thermal pad for heat dissipation; must be soldered to PCB and connected to GND."
      }
    ],
    "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: Thermal pad pin number (9) is inferred from package outline diagram on page 27. The PIN FUNCTIONS ta",
          "1/9 pins cited to the wrong page (name found elsewhere): ['9:Exposed Thermal Pad@p5']"
        ],
        "pages_sent": 30,
        "cost_usd": 0.2427,
        "at": "2026-09-22T19:29:08"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54329",
        "pages": 30,
        "sha256": "4e69e9b93fb82133",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps54329ddar.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps54329ddar-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9b1e538e22e3253de0c44965ca31c9d913cc1c79a501be4e5955b09af325d423",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}