TLE42754D

{
  "schema_version": 1,
  "type": "component",
  "slug": "tle42754d",
  "title": "TLE42754D",
  "brief": "Infineon Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-4. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "tle42754d"
  ],
  "component": {
    "mpn": "TLE42754D",
    "manufacturer": "Infineon",
    "package": "TO-252-4",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e7b047fe5e86c8bce5a01010787a548c.pdf",
    "parts": {
      "symbol": "tle42754d.kicad_sym",
      "footprint": "tle42754d.kicad_mod",
      "model_3d": "tle42754d-etched.glb",
      "model_3d_plain": "tle42754d.glb",
      "model_3d_step": "tle42754d-etched.step",
      "model_3d_step_plain": "tle42754d.step",
      "lbr": "tle42754d.lbr"
    },
    "distributor_links": {
      "mouser": "726-TLE42754D",
      "lcsc": "C90364"
    },
    "pins": [
      {
        "number": "1",
        "name": "I",
        "type": "power_in",
        "description": "Input supply pin. Regulated input from the vehicle battery / raw supply (operating input up to 42 V; withstands -42 V to 45 V). An input capacitor C_I to GND close to the IC terminals is recommended for compensating line influences."
      },
      {
        "number": "2",
        "name": "RO",
        "type": "output",
        "description": "Reset Output. Open-collector output driven by the internal reset generator when the output voltage falls below V_Q,rt (typ. 4.65 V). Requires an external pull-up resistor to a positive potential; leave open if the reset function is not needed."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground. On the TLE42754D (PG-TO252-5), pin 3 is not internally connected as GND on the leads; ground is provided via the TAB. (On the TLE42754G PG-TO263-5, pin 3 is internally connected to the tab.) Connect to system ground. Also the package tab: exposed metal TAB. Serves as the device ground and primary heat-sinking path; connect to the heatsink area / ground plane on the PCB."
      },
      {
        "number": "4",
        "name": "D",
        "type": "passive",
        "description": "Reset Delay Timing. Connect a ceramic capacitor from D to GND to program the power-on/undervoltage reset delay time. Leave open if the reset function is not needed."
      },
      {
        "number": "5",
        "name": "Q",
        "type": "power_out",
        "description": "Regulated Output. 5 V ± 2% output capable of sourcing up to 450 mA with integrated current limiting. Block to GND with an output capacitor C_Q close to the IC terminals, respecting the C_Q/ESR values in the Functional Range table."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e7b047fe5e86c8bce5a01010787a548c.pdf",
        "pages": 29,
        "sha256": "903108b634588660",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -5.04,
        -2.28
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TO-252-4@sha256:37afb57535e0bf46",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "tle42754d.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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d85360b3e2359b76856869bda844e512876c2223b4cf36e7a7e1581f227bec7e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tle42754d-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "87be86c40745d8f4398c98bdd6727fb754789abcfdd112d01dabb4ce059e29af",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Infineon",
      "Package": "TO-252-4",
      "Category": "PMIC",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tle42754d"
  ],
  "discovery_pitch": "TLE42754D (Infineon) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tle42754d.kicad_sym",
    "tle42754d.kicad_mod",
    "tle42754d.glb",
    "tle42754d.step",
    "tle42754d-etched.step",
    "tle42754d.lbr",
    "docs/hero.png",
    "docs/tle42754d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "TLE42754DD",
      "kind": "packaging"
    },
    {
      "mpn": "TLE42754DG",
      "kind": "packaging"
    },
    {
      "mpn": "TLE42754DE",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T10:12:26.507Z"
}