LP38691DT-2.5

{
  "schema_version": 1,
  "type": "component",
  "slug": "lp38691dt-2-5",
  "title": "LP38691DT-2.5",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lp38691dt-2.5",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LP38691DT-2.5",
    "manufacturer": "Texas Instruments",
    "package": "TO-252-2",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lp38691",
    "parts": {
      "symbol": "lp38691dt-2-5.kicad_sym",
      "footprint": "lp38691dt-2-5.kicad_mod",
      "model_3d": "lp38691dt-2-5-hero.glb",
      "model_3d_plain": "lp38691dt-2-5.glb",
      "model_3d_step": "lp38691dt-2-5-etched.step",
      "model_3d_step_plain": "lp38691dt-2-5.step",
      "lbr": "lp38691dt-2-5.lbr"
    },
    "distributor_links": {
      "lcsc": "C2867402",
      "digikey": "2156-LP38691DT-2.5-ND",
      "mouser": "926-LP38691DT-25"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T16:47:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-LP38691DT-2.5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "926-LP38691DT-25",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage of the regulator; the output current is internally limited, with foldback limiting to about 350 mA when VIN − VOUT exceeds 5 V and about 850 mA when it is below 4 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground for the regulator; on the TO-252 package the tab is thermally connected to the die and functions as a heat sink when soldered down to a large copper plane."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply voltage to the regulator, with a recommended range of 2.7 V to 10 V and an absolute maximum of 12 V with respect to GND."
      }
    ],
    "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 package hint 'TO-252-2' does not match the datasheet, which lists this device as a 3-pin TO-252 ; The extracted pin-function table columns are jumbled. OUT pin 1 for TO-252 was inferred because pin ; The GND tab is electrically the same node as pin 2 and was not given a separate pin number in the da"
        ],
        "pages_sent": 38,
        "cost_usd": 0.1271,
        "at": "2026-10-08T16:47:04"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lp38691",
        "pages": 38,
        "sha256": "0f3d1f4e254f99d4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lp38691dt-2-5.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": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp38691dt-2-5-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": "a20e1d1636c6e2866ef71aff24a2b4d38630d12be7416faa4bdaae928976c0bc",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TO-252-2",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lp38691dt-2.5"
  ],
  "discovery_pitch": "LP38691DT-2.5 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lp38691dt-2-5.kicad_sym",
    "lp38691dt-2-5.kicad_mod",
    "lp38691dt-2-5.glb",
    "lp38691dt-2-5.step",
    "lp38691dt-2-5.lbr",
    "docs/hero.png",
    "docs/lp38691dt-2-5-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lp38691dt-2-5-hero.glb",
    "lp38691dt-2-5-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}