LP2951CM-3.3

{
  "slug": "lp2951cm-3-3",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lp2951cm-3.3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lp2951cm-3-3.kicad_sym",
    "lp2951cm-3-3.kicad_mod",
    "lp2951cm-3-3.glb",
    "lp2951cm-3-3.step",
    "lp2951cm-3-3.lbr",
    "docs/hero.png",
    "docs/lp2951cm-3-3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lp2951cm-3-3-hero.glb",
    "lp2951cm-3-3-hero.overlay.json"
  ],
  "component": {
    "mpn": "LP2951CM-3.3",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lp2951-n",
    "parts": {
      "symbol": "lp2951cm-3-3.kicad_sym",
      "footprint": "lp2951cm-3-3.kicad_mod",
      "model_3d": "lp2951cm-3-3-hero.glb",
      "model_3d_plain": "lp2951cm-3-3.glb",
      "model_3d_step": "lp2951cm-3-3-etched.step",
      "model_3d_step_plain": "lp2951cm-3-3.step",
      "lbr": "lp2951cm-3-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C2867575",
      "digikey": "LP2951CM-3.3-ND",
      "mouser": "926-LP2951CM-33"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T14:56:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LP2951CM-3.3-ND",
        "status": "found",
        "lifecycle": "Not For New Designs"
      },
      "mouser": {
        "pn": "926-LP2951CM-33",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage of the device, 3.3 V nominal for this version (±0.5% or ±1%)."
      },
      {
        "number": "2",
        "name": "SENSE",
        "type": "input",
        "description": "Output voltage sense input, which the 8-pin electrical test conditions specify as tied to OUTPUT."
      },
      {
        "number": "3",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Logic-controlled shutdown input that disables the device, with absolute maximum input voltage of -0.3 V to 30 V and electrical characteristics specified at VSHUTDOWN ≤ 0.8 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the regulator."
      },
      {
        "number": "5",
        "name": "ERROR",
        "type": "output",
        "description": "Error flag output that warns of low output voltage (output dropout), with absolute maximum output voltage of -0.3 V to 30 V."
      },
      {
        "number": "6",
        "name": "VTAP",
        "type": "output",
        "description": "Internal resistor divider tap, which the 8-pin test conditions specify is tied to FEEDBACK."
      },
      {
        "number": "7",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Voltage feedback input used to program the output from 1.24 V to 29 V, with absolute maximum input voltage of -1.5 V to 30 V."
      },
      {
        "number": "8",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply voltage, with an operating range of 2.3 V to 30 V and a maximum of 30 V."
      }
    ],
    "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 pin function table labels pin 4 as GROUND while the pin diagram and layout figures label it GND;; The datasheet does not give a separate pinout for the 3.3 V SOIC variant; the pin table covers the D"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0968,
        "at": "2026-10-11T14:56:00"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lp2951-n",
        "pages": 62,
        "sha256": "b9e1f8851a20b9c9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lp2951cm-3-3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp2951cm-3-3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "31367b0a8972d53d20983b3dfd3800c6d894cb0eafe5215e3322a9e667b6d6c8",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}