LP3881ES-1.5

{
  "slug": "lp3881es-1-5",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lp3881es-1.5",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lp3881es-1-5.kicad_sym",
    "lp3881es-1-5.kicad_mod",
    "lp3881es-1-5.glb",
    "lp3881es-1-5.step",
    "lp3881es-1-5.lbr",
    "docs/hero.png",
    "docs/lp3881es-1-5-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lp3881es-1-5-hero.glb",
    "lp3881es-1-5-hero.overlay.json"
  ],
  "component": {
    "mpn": "LP3881ES-1.5",
    "manufacturer": "Texas Instruments",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lp3881",
    "parts": {
      "symbol": "lp3881es-1-5.kicad_sym",
      "footprint": "lp3881es-1-5.kicad_mod",
      "model_3d": "lp3881es-1-5-hero.glb",
      "model_3d_plain": "lp3881es-1-5.glb",
      "model_3d_step": "lp3881es-1-5-etched.step",
      "model_3d_step_plain": "lp3881es-1-5.step",
      "lbr": "lp3881es-1-5.lbr"
    },
    "distributor_links": {
      "lcsc": "C2866770",
      "digikey": "LP3881ES-1.5-ND",
      "mouser": "926-LP3881ES-15"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T11:12:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LP3881ES-1.5-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LP3881ES-15",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S/D",
        "type": "input",
        "description": "Active-low shutdown input that turns the regulator off when pulled low (off below 0.3V, on above 1.3V), operating range 0 to 6V, needs a 10 kΩ to 100 kΩ pull-up unless actively driven, and must be tied to VIN if unused."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage supplying power to the load through the N-MOS pass transistor, operating from (VOUT + VDO) to 5.5V and requiring at least 4.7 µF input capacitance."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, which should be returned to a clean analog ground together with the output capacitor."
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output (1.5V for the -1.5 option) delivering up to 0.8A, requiring at least 4.7 µF of output capacitance with ESR in the stable range, placed within 1 cm of the pin."
      },
      {
        "number": "5",
        "name": "VBIAS",
        "type": "power_in",
        "description": "External bias supply that drives the gate of the N-MOS pass transistor, operating range 4.5V to 6V with an undervoltage lockout near 4V, and a 0.1 µF bias capacitor is recommended."
      },
      {
        "number": "6",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin 1 to pin 5 order was read from the Figure 2 TO-263 top view. The pin 1 dot sits next to SHUT; The TO-263 tab is labeled GND in Figure 2 but has no pin number. It is not included in the pin list.; The datasheet does not state the pin 3 GND description or the tab connection in words. The pin 3 des",
          "exposed pad 6 added from the footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 19,
        "cost_usd": 0.3844,
        "at": "2026-10-11T11:12:26"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lp3881",
        "pages": 19,
        "sha256": "a4abca2fcaedc7d5",
        "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"
    },
    "models_3d": [
      {
        "file": "lp3881es-1-5.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp3881es-1-5-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7f339b493ef6348e63895672ac5b51a18accb7b8fd4b8d72693c01b83859bf98",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}