TPS54331GDR

{
  "slug": "tps54331gdr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps54331gdr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps54331gdr.kicad_sym",
    "tps54331gdr.kicad_mod",
    "tps54331gdr.glb",
    "tps54331gdr.step",
    "tps54331gdr.lbr",
    "docs/hero.png",
    "docs/tps54331gdr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps54331gdr-hero.glb",
    "tps54331gdr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS54331GDR",
    "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": "tps54331gdr.kicad_sym",
      "footprint": "tps54331gdr.kicad_mod",
      "model_3d": "tps54331gdr-hero.glb",
      "model_3d_plain": "tps54331gdr.glb",
      "model_3d_step": "tps54331gdr-etched.step",
      "model_3d_step_plain": "tps54331gdr.step",
      "lbr": "tps54331gdr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2071684",
      "digikey": "296-50099-2-ND",
      "mouser": "595-TPS54331GDR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T00:11:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-50099-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS54331GDR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "output",
        "description": "A 0.1μF bootstrap capacitor is required between the BOOT and PH pins, and if the voltage on this capacitor falls below the minimum requirement, the high-side MOSFET is forced off until the capacitor is refreshed."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "This pin is the 3.5V to 28V input supply voltage pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "This enable pin must be pulled below 1.25V to disable the device, can be left floating to enable it, and two resistors are recommended to program the input UVLO."
      },
      {
        "number": "4",
        "name": "SS",
        "type": "input",
        "description": "This slow-start pin sets the output rise time through the external capacitor connected from it to ground."
      },
      {
        "number": "5",
        "name": "VSENSE",
        "type": "input",
        "description": "This pin is the inverting node of the transconductance (gm) error amplifier."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "output",
        "description": "This pin is the error amplifier output and PWM comparator input, and the frequency compensation components are connected to it."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "This is the ground pin."
      },
      {
        "number": "8",
        "name": "PH",
        "type": "output",
        "description": "The PH pin is the source of the internal high-side power MOSFET and forms the switch node with the catch diode and output inductor."
      }
    ],
    "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 datasheet pin table (Table 5-1, Figure 5-1) covers the 8-pin D (SOIC) package, and the ordering ; Pin types follow the datasheet I/O column except VIN, which the datasheet lists as I and was mapped ; The source provided is the Chinese translation (ZHCSM88H); the English original (SLVS839) was not in"
        ],
        "pages_sent": 25,
        "cost_usd": 0.1037,
        "at": "2026-10-08T00:11:36"
      },
      "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": "tps54331gdr.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps54331gdr-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": "f59a82b5463acc1365708fdde8bfab0baabfec6dc50cac4f83275e99e10e82c3",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}