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Ray Set visibility: public 3328a40 1d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lm4140bcm-2-5",
  "title": "LM4140BCM-2.5",
  "brief": "Texas Instruments Voltage Reference, SOIC-8. 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)",
    "lm4140bcm-2.5",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM4140BCM-2.5",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lm4140.pdf",
    "parts": {
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      "footprint": "lm4140bcm-2-5.kicad_mod",
      "model_3d": "lm4140bcm-2-5-hero.glb",
      "model_3d_plain": "lm4140bcm-2-5-etched.glb",
      "model_3d_step": "lm4140bcm-2-5-etched.step",
      "model_3d_step_plain": "lm4140bcm-2-5.step",
      "lbr": "lm4140bcm-2-5.lbr"
    },
    "distributor_links": {
      "lcsc": "C1575320",
      "digikey": "LM4140BCM-2.5-ND",
      "mouser": "926-LM4140BCM-25"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T21:19:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM4140BCM-2.5-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "926-LM4140BCM-25",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "Ground",
        "type": "power_in",
        "description": "Negative supply or ground connection. These pins must be connected to ground."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive supply."
      },
      {
        "number": "3",
        "name": "Enable",
        "type": "input",
        "description": "Pulled to input for normal operation. Forcing this pin to ground turns off the output."
      },
      {
        "number": "4",
        "name": "Ground",
        "type": "power_in",
        "description": "Negative supply or ground connection. These pins must be connected to ground."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "This pin must be left open."
      },
      {
        "number": "6",
        "name": "VREF",
        "type": "power_in",
        "description": "Reference output. Capable of sourcing up to 8 mA."
      },
      {
        "number": "7",
        "name": "Ground",
        "type": "power_in",
        "description": "Negative supply or ground connection. These pins must be connected to ground."
      },
      {
        "number": "8",
        "name": "Ground",
        "type": "power_in",
        "description": "Negative supply or ground connection. These pins must be connected 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": [],
        "pages_sent": 10,
        "cost_usd": 0.0143,
        "at": "2026-11-05T21:18:55"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lm4140.pdf",
        "pages": 33,
        "sha256": "18565fb048b1515d",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "role": "plain",
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
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      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
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          "kind": "tolerance",
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          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "All versions",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Temperature coefficient (B grade)",
          "symbol": "TCVREF/°C",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "0°C ≤ TA ≤ 70°C, B grade",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Line regulation",
          "symbol": "ΔVREF/ΔVIN",
          "kind": "electrical",
          "unit": "ppm/V",
          "min": null,
          "typ": 20,
          "max": 200,
          "conditions": "All other voltage options, Vref + 200 mV ≤ VIN ≤ 5.5 V, TA = 25°C",
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          "name": "Line regulation",
          "symbol": "ΔVREF/ΔVIN",
          "kind": "electrical",
          "unit": "ppm/V",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "All other voltage options, Vref + 200 mV ≤ VIN ≤ 5.5 V, 0°C ≤ TA ≤ 70°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVREF/ΔILOAD",
          "kind": "electrical",
          "unit": "ppm/mA",
          "min": null,
          "typ": 1,
          "max": 20,
          "conditions": "All other voltage options, 1 mA ≤ ILOAD ≤ 8 mA, TA = 25°C",
          "source_page": 5,
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        {
          "name": "Load regulation",
          "symbol": "ΔVREF/ΔILOAD",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 150,
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          "source": "datasheet"
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        {
          "name": "Long-term stability",
          "symbol": "ΔVREF",
          "kind": "electrical",
          "unit": "ppm",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "1000 hours",
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          "source": "datasheet"
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          "name": "Thermal hysteresis",
          "symbol": "ΔVREF",
          "kind": "electrical",
          "unit": "ppm",
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          "typ": null,
          "max": 20,
          "conditions": "0°C ≤ TA ≤ +70°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VIN-VREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 40,
          "conditions": "2.048-V and 2.5-V options, IL = 1 mA, TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Dropout voltage",
          "symbol": "VIN-VREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "2.048-V and 2.5-V options, IL = 1 mA, 0°C ≤ TA ≤ 70°C",
          "source_page": 5,
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        {
          "name": "Dropout voltage",
          "symbol": "VIN-VREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 160,
          "max": 235,
          "conditions": "2.048-V and 2.5-V options, IL = 8 mA, TA = 25°C",
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          "source": "datasheet"
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          "name": "Dropout voltage",
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          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "2.048-V and 2.5-V options, IL = 8 mA, 0°C ≤ TA ≤ 70°C",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Supply current (on)",
          "symbol": "IS(ON)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 230,
          "max": 320,
          "conditions": "All other voltage options, ILOAD = 0 mA, TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
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        {
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          "symbol": "IS(ON)",
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          "min": null,
          "typ": null,
          "max": 375,
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          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Supply current (off)",
          "symbol": "IS(OFF)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": null,
          "conditions": "VEnable < 0.4 V, TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Supply current (off)",
          "symbol": "IS(OFF)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VEnable < 0.4 V, 0°C ≤ TA ≤ 70°C",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Logic high input voltage",
          "symbol": "VH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": null,
          "conditions": "0°C ≤ TA ≤ 70°C, printed as 0.8 × VIN",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Logic high input current",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
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          "conditions": "",
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        {
          "name": "Logic low input voltage",
          "symbol": "VL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": 0.4,
          "conditions": "0°C ≤ TA ≤ 70°C",
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        {
          "name": "Logic low input current",
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        {
          "name": "Short-circuit current",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": 8.5,
          "typ": 20,
          "max": 35,
          "conditions": "TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
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          "name": "Short-circuit current",
          "symbol": "ISC",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "0°C ≤ TA ≤ 70°C",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Maximum voltage on any input pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Power dissipation",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 345,
          "conditions": "TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Ambient temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "Operating free-air temperature range",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Junction temperature",
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          "min": 0,
          "typ": null,
          "max": 80,
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          "source_page": 4,
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          "min": null,
          "typ": 52.3,
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          "conditions": "D (SOIC) 8-pin package",
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          "conditions": "D (SOIC) 8-pin package",
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          "name": "Junction-to-top characterization parameter",
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          "conditions": "D (SOIC) 8-pin package",
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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