LM4132BQ1MFR2.5

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm4132bq1mfr2-5",
  "title": "LM4132BQ1MFR2.5",
  "brief": "Texas Instruments Voltage Reference, SOT-23-5. 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)",
    "lm4132bq1mfr2.5",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM4132BQ1MFR2.5",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm4132",
    "parts": {
      "symbol": "lm4132bq1mfr2-5.kicad_sym",
      "footprint": "lm4132bq1mfr2-5.kicad_mod",
      "model_3d": "lm4132bq1mfr2-5-hero.glb",
      "model_3d_plain": "lm4132bq1mfr2-5.glb",
      "model_3d_step": "lm4132bq1mfr2-5-etched.step",
      "model_3d_step_plain": "lm4132bq1mfr2-5.step",
      "lbr": "lm4132bq1mfr2-5.lbr"
    },
    "distributor_links": {
      "lcsc": "C2157560",
      "digikey": "LM4132BQ1MFR2.5-ND",
      "mouser": "595-LM4132BQ1MFR2.5"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T07:25:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM4132BQ1MFR2.5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LM4132BQ1MFR2.5",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "N/C",
        "type": "unconnected",
        "description": "No-connect pin that should be left floating on the PCB."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input: drive EN between 65% of VIN and VIN to enable the reference, or between 0 V and 35% of VIN to disable it, and never let EN exceed VIN; an internal pullup of about 2 µA lets it float or be tied to VIN."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply that must stay between VREF + 400 mV and 5.5 V at a 10 mA load, with the absolute maximum on any input being 6 V."
      },
      {
        "number": "5",
        "name": "VREF",
        "type": "power_out",
        "description": "Reference voltage output that sources up to 20 mA for the LM4132, and is current-limited to 75 mA with indefinite protection when shorted to ground."
      }
    ],
    "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: Package confirmed: the Package Option Addendum (pages 28-31) lists LM4132BQ1MFR2.5 as SOT-23 (DBV), ; The EN threshold percentages come from the Feature Description (page 20) and Design Requirements (pa; Pin 1 is listed as N/C with no electrical limits. Typed as unconnected, per the datasheet instructio"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1074,
        "at": "2026-10-11T07:25:26"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4132",
        "pages": 44,
        "sha256": "4bd8402ff026fdf1",
        "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": "lm4132bq1mfr2-5.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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm4132bq1mfr2-5-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": "5b5e5bfc55f891c8a8b1e7fa00c24ea8f638ba0713ab7662d9df7639c7d6da42",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4bd8402ff026fdf1",
      "rows": [
        {
          "name": "Output voltage initial accuracy (B grade, 2.5 V)",
          "symbol": "VREF",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "LM4132B-2.5 (B Grade - 0.1%)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient (B grade, 2.5 V)",
          "symbol": "TCVREF/°C",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "–40°C ≤ TJ ≤ 125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "–40°C ≤ TJ ≤ 125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply current in shutdown",
          "symbol": "IQ_SD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "–40°C ≤ TJ ≤ 125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVREF/ΔILOAD",
          "kind": "electrical",
          "unit": "ppm/mA",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "–40°C ≤ TJ ≤ 125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VIN – VREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "–40°C ≤ TJ ≤ 125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit current",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "–40°C ≤ TJ ≤ 125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Enable pin maximum low input level",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "% (VIN)",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "–40°C ≤ TJ ≤ 125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Enable pin minimum high input level",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "% (VIN)",
          "min": 65,
          "typ": null,
          "max": null,
          "conditions": "–40°C ≤ TJ ≤ 125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply current in shutdown",
          "symbol": "IQ_SD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "EN = 0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVREF/ΔVIN",
          "kind": "electrical",
          "unit": "ppm/V",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "VREF + 400 mV ≤ VIN ≤ 5.5 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVREF/ΔILOAD",
          "kind": "electrical",
          "unit": "ppm/mA",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "0 mA ≤ ILOAD ≤ 20 mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Long-term stability",
          "symbol": "ΔVREF",
          "kind": "electrical",
          "unit": "ppm",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "1000 Hrs",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VIN – VREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 175,
          "max": null,
          "conditions": "ILOAD = 10 mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output noise voltage",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "µVPP",
          "min": null,
          "typ": 240,
          "max": null,
          "conditions": "0.1 Hz to 10 Hz",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "–40°C ≤ TJ ≤ 125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Maximum input supply voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum load current (LM4132)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage on any input",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature (soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 sec",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature (vapor phase)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 215,
          "conditions": "60 sec",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature (infrared)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 220,
          "conditions": "15 sec",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 164.1,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 115.3,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 27.1,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 12.8,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 26.6,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm4132bq1mfr2.5"
  ],
  "discovery_pitch": "LM4132BQ1MFR2.5 (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",
    "lm4132bq1mfr2-5.kicad_sym",
    "lm4132bq1mfr2-5.kicad_mod",
    "lm4132bq1mfr2-5.glb",
    "lm4132bq1mfr2-5.step",
    "lm4132bq1mfr2-5.lbr",
    "docs/hero.png",
    "docs/lm4132bq1mfr2-5-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4132bq1mfr2-5-hero.glb",
    "lm4132bq1mfr2-5-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}