TLE4251D

{
  "slug": "tle4251d",
  "version": "0.1.0",
  "type": "component",
  "description": "Infineon Technologies Linear Voltage Regulators (LDO), TO-252-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "tle4251d",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tle4251d.kicad_sym",
    "tle4251d.kicad_mod",
    "tle4251d.glb",
    "tle4251d.step",
    "tle4251d.lbr",
    "docs/hero.png",
    "docs/tle4251d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tle4251d-hero.glb",
    "tle4251d-hero.overlay.json",
    "tle4251d-etched.glb"
  ],
  "component": {
    "mpn": "TLE4251D",
    "manufacturer": "Infineon Technologies",
    "package": "TO-252-4",
    "pin_count": 5,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a19c7cdef1ba17855b30b1f6ddfe6022.pdf",
    "parts": {
      "symbol": "tle4251d.kicad_sym",
      "footprint": "tle4251d.kicad_mod",
      "model_3d": "tle4251d-hero.glb",
      "model_3d_plain": "tle4251d-etched.glb",
      "model_3d_step": "tle4251d-etched.step",
      "model_3d_step_plain": "tle4251d.step",
      "lbr": "tle4251d.lbr"
    },
    "distributor_links": {
      "lcsc": "C539669"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:49:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 878 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "I",
        "type": "power_in",
        "description": "Input voltage supply, operating range 4 V to 40 V (with VI > VADJ + VDR) and absolute maximum -42 V to 45 V."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable, high-active input; on above 2 V, off (stand-by) below 0.5 V, operating range 0 V to 40 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "4",
        "name": "ADJ",
        "type": "input",
        "description": "Adjust input; connect directly to the reference or via a voltage divider to the reference for reference-proportional output voltages (VQ < Vref), range 0 V to 40 V."
      },
      {
        "number": "5",
        "name": "Q",
        "type": "power_out",
        "description": "Output voltage tracking ADJ, up to 400 mA; must be blocked by a capacitor CQ ≥ 22 μF with ESR ≤ 3 Ω to GND."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-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 says TO-252-4, but the datasheet lists TLE 4251 D only as PG-TO252-5-11 with 5 pins (1 ; The datasheet text does not state whether the TO-252 tab is connected to GND, so no tab pin was adde"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0654,
        "at": "2026-10-22T22:49:28"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a19c7cdef1ba17855b30b1f6ddfe6022.pdf",
        "pages": 13,
        "sha256": "7bb6228548d61b76",
        "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": [
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        "file": "tle4251d.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d85360b3e2359b76856869bda844e512876c2223b4cf36e7a7e1581f227bec7e",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tle4251d-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": "b227bc869bdedf10f033d41b2797bad74da22e0aa1e1c736861a1bb3d3055e72",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}