TPS78518QKVURQ1

{
  "slug": "tps78518qkvurq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps78518qkvurq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps78518qkvurq1.kicad_sym",
    "tps78518qkvurq1.kicad_mod",
    "tps78518qkvurq1.glb",
    "tps78518qkvurq1.step",
    "tps78518qkvurq1.lbr",
    "docs/hero.png",
    "docs/tps78518qkvurq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps78518qkvurq1-hero.glb",
    "tps78518qkvurq1-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS78518QKVURQ1",
    "manufacturer": "Texas Instruments",
    "package": "TO-252-4",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps785-q1",
    "parts": {
      "symbol": "tps78518qkvurq1.kicad_sym",
      "footprint": "tps78518qkvurq1.kicad_mod",
      "model_3d": "tps78518qkvurq1-hero.glb",
      "model_3d_plain": "tps78518qkvurq1.glb",
      "model_3d_step": "tps78518qkvurq1-etched.step",
      "model_3d_step_plain": "tps78518qkvurq1.step",
      "lbr": "tps78518qkvurq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C3747891",
      "digikey": "296-TPS78518QKVURQ1TR-ND",
      "mouser": "595-TPS78518QKVURQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T23:54:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS78518QKVURQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS78518QKVURQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: driving it to logic high enables the device and driving it to logic low disables it, and it must not be left floating (if unused, connect EN to IN)."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "input",
        "description": "Input pin: place the nominal recommended ceramic capacitor or larger from IN to GND as close to the device as possible, per the Recommended Operating Conditions table."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be connected to ground on the board; the thermal pad is electrically connected to this pin."
      },
      {
        "number": "4",
        "name": "OUT",
        "type": "output",
        "description": "Output pin requiring a minimum of 0.47 µF effective capacitance to ground for stability, with a 1 µF or larger ceramic capacitor recommended for best transient response."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin that is not internally connected; connect to ground for best thermal performance or leave floating."
      }
    ],
    "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: Package hint 'TO-252-4' does not match the datasheet. The datasheet lists only a 5-pin TO-252 (KVU) ; Fixed-version pinout used (TPS78518 is a fixed-output part; the adjustable KVU variant has pin 5 as ; The thermal pad is an unnumbered pad electrically tied to GND. It is not listed as a numbered pin an"
        ],
        "pages_sent": 12,
        "cost_usd": 0.073,
        "at": "2026-10-08T23:53:39"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps785-q1",
        "pages": 46,
        "sha256": "8d1b76473f2a1cce",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps78518qkvurq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d85360b3e2359b76856869bda844e512876c2223b4cf36e7a7e1581f227bec7e",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps78518qkvurq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0750f1ea5ed83199c5a8e7a8f715d5fe15282257e58b2734a1419e67f47f3c10",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}