LP2981IM5-3.0

{
  "slug": "lp2981im5-3-0",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lp2981im5-3.0",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lp2981im5-3-0.kicad_sym",
    "lp2981im5-3-0.kicad_mod",
    "lp2981im5-3-0.glb",
    "lp2981im5-3-0.step",
    "lp2981im5-3-0.lbr",
    "docs/hero.png",
    "docs/lp2981im5-3-0-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lp2981im5-3-0-hero.glb",
    "lp2981im5-3-0-hero.overlay.json"
  ],
  "component": {
    "mpn": "LP2981IM5-3.0",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lp2981-n",
    "parts": {
      "symbol": "lp2981im5-3-0.kicad_sym",
      "footprint": "lp2981im5-3-0.kicad_mod",
      "model_3d": "lp2981im5-3-0-hero.glb",
      "model_3d_plain": "lp2981im5-3-0.glb",
      "model_3d_step": "lp2981im5-3-0-etched.step",
      "model_3d_step_plain": "lp2981im5-3-0.step",
      "lbr": "lp2981im5-3-0.lbr"
    },
    "distributor_links": {
      "lcsc": "C2865099",
      "digikey": "LP2981IM5-3.0TR-ND",
      "mouser": "926-LP2981IM5-30"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T10:04:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LP2981IM5-3.0TR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LP2981IM5-30",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin; a capacitor of 1µF or larger must be connected from this pin to ground."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground (device substrate)."
      },
      {
        "number": "3",
        "name": "ON/OFF",
        "type": "input",
        "description": "Enable pin: driving it high enables the LDO and driving it low disables it, with high and low thresholds given in the Electrical Characteristics table; tie to VIN if unused."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect: reserved for post-packaging test and calibration of VOUT accuracy, must be left floating and not connected to any potential or ground."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulator output; use a capacitor of 2.2µF or larger from this pin to ground, with nominal output capacitance greater than 1µF and effective capacitance above 1µF after the stated 50% derating."
      }
    ],
    "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 datasheet's package option addendum (page 33) lists the orderable part as LP2981IM5-3.0/NOPB (SO; The datasheet gives pin 1 type 'I' and pin 5 type 'O'; these were mapped to KiCad power_in and power; Pin 4 is labeled NC in the table but the datasheet says it is reserved for factory trim and must be "
        ],
        "pages_sent": 11,
        "cost_usd": 0.0598,
        "at": "2026-10-12T10:04:15"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lp2981-n",
        "pages": 43,
        "sha256": "4edc0bbf3eaa25d3",
        "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": [
      {
        "file": "lp2981im5-3-0.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp2981im5-3-0-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "682a5481febc88d486506bd5184ac05e4b1008623676a6173162723f9251db5a",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}