TPS54331D

{
  "slug": "tps54331d",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps54331d",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps54331d.kicad_sym",
    "tps54331d.kicad_mod",
    "tps54331d.glb",
    "tps54331d.step",
    "tps54331d.lbr",
    "docs/hero.png",
    "docs/tps54331d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "TPS54331D",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps54331",
    "parts": {
      "symbol": "tps54331d.kicad_sym",
      "footprint": "tps54331d.kicad_mod",
      "model_3d": "tps54331d-etched.glb",
      "model_3d_plain": "tps54331d.glb",
      "model_3d_step": "tps54331d-etched.step",
      "model_3d_step_plain": "tps54331d.step",
      "lbr": "tps54331d.lbr"
    },
    "distributor_links": {
      "lcsc": "C2872693"
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "output",
        "description": "Bootstrap supply output for high-side MOSFET gate drive; requires 0.1μF capacitor to PH pin; MOSFET forced off if voltage falls below 2.1V typical."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Main input power supply; operating range 3.5V to 28V, absolute maximum 30V."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Active-high enable control; device disabled at 1.25V threshold; programmable UVLO via external resistor divider."
      },
      {
        "number": "4",
        "name": "SS",
        "type": "input",
        "description": "Soft start capacitor connection; sets output ramp rate at 2μA charge current; recommended time range 1ms to 10ms with maximum 27nF capacitor."
      },
      {
        "number": "5",
        "name": "VSENSE",
        "type": "input",
        "description": "Error amplifier inverting input for output voltage feedback; compares actual output to 0.8V internal reference; maximum pull current 10μA."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and PWM comparator input; frequency compensation network elements connected here; maximum sink current 100μA."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference terminal."
      },
      {
        "number": "8",
        "name": "PH",
        "type": "output",
        "description": "High-side MOSFET source switch node output; maximum voltage 30V, minimum -0.6V, rated 9A peak pull current."
      }
    ],
    "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": [],
        "pages_sent": 40,
        "cost_usd": 0.3441,
        "at": "2026-09-23T09:25:28"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps54331",
        "pages": 40,
        "sha256": "6ac89d4fddb009ba",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps54331d.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps54331d-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d6872c8006db4b1f96f564404270b83fe6ef4257143fdf95f279d7a0c722e7b0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}