TPS73718DCQR

{
  "slug": "tps73718dcqr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tps73718dcqr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps73718dcqr.kicad_sym",
    "tps73718dcqr.kicad_mod",
    "tps73718dcqr.glb",
    "tps73718dcqr.step",
    "tps73718dcqr.lbr",
    "docs/hero.png",
    "docs/tps73718dcqr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps73718dcqr-hero.glb",
    "tps73718dcqr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS73718DCQR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-223-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps737",
    "parts": {
      "symbol": "tps73718dcqr.kicad_sym",
      "footprint": "tps73718dcqr.kicad_mod",
      "model_3d": "tps73718dcqr-hero.glb",
      "model_3d_plain": "tps73718dcqr.glb",
      "model_3d_step": "tps73718dcqr-etched.step",
      "model_3d_step_plain": "tps73718dcqr.step",
      "lbr": "tps73718dcqr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2863720",
      "digikey": "296-22889-2-ND",
      "mouser": "595-TPS73718DCQR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T11:01:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-22889-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS73718DCQR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input supply, which must be within 2.2 V to 5.5 V (absolute maximum -0.3 V to 6 V) for the regulator to operate."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulator output, which requires a capacitor of 1.0 µF or larger of any type for stability."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection that must be tied to the ground plane, with bypass capacitor grounds connected directly to this pin."
      },
      {
        "number": "4",
        "name": "NR/FB",
        "type": "passive",
        "description": "On the fixed-voltage version (TPS73718) this pin is NR, where an external capacitor from NR to ground bypasses the internal bandgap noise and lowers output noise; the FB function applies only to the adjustable version."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable input where driving above 1.7 V turns the regulator on and driving below 0.5 V places it in shutdown, and it must not be left floating (it may be tied to IN if shutdown is not needed)."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin in the SOT-223 package that is internally tied with pin 3, and the package tab is also GND and must be connected to ground."
      }
    ],
    "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: Pin 4 is labeled NR/FB. TPS73718 is a fixed-voltage (1.8 V) version, so pin 4 is the NR noise-bypass; The datasheet lists GND on pins 3 and 6 for SOT-223 and the figure notes the tab is GND. The tab is ; The datasheet states EN must not be left floating; pin 5 is an input with the 1.7 V / 0.5 V threshol"
        ],
        "pages_sent": 25,
        "cost_usd": 0.1251,
        "at": "2026-10-11T11:01:23"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps737",
        "pages": 50,
        "sha256": "c0519949d941865c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps73718dcqr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8.475,
          6.7,
          1.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bf43e0f52215e5c8b069c660d1a580928edb1037d7f7155d98bb6d1df79e64ff",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps73718dcqr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8.475,
          6.7,
          1.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ed4bcddd124307cb9a04812c3a3ed1673b8424d632299e0e00848bcfebdf7e8f",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}