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Ray Set visibility: public e607117 21h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "tlv431idbvr",
  "title": "TLV431IDBVR",
  "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": [
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  "component": {
    "mpn": "TLV431IDBVR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tlv431.pdf",
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      "lcsc": "C192151",
      "digikey": "296-13617-2-ND",
      "mouser": "595-TLV431IDBVR"
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        "pn": "595-TLV431IDBVR",
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        "name": "NC",
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      {
        "number": "2",
        "name": "SUBSTRATE",
        "type": "passive",
        "description": "Substrate connection; must be connected to ANODE or left open."
      },
      {
        "number": "3",
        "name": "CATHODE",
        "type": "bidirectional",
        "description": "Shunt current/voltage input; cathode voltage operates between VREF and 6 V with cathode current of 0.1 mA to 15 mA recommended."
      },
      {
        "number": "4",
        "name": "REF",
        "type": "input",
        "description": "Threshold relative to common anode; reference current must stay between -0.05 mA and 3 mA (absolute maximum)."
      },
      {
        "number": "5",
        "name": "ANODE",
        "type": "power_in",
        "description": "Common pin, normally connected to ground."
      }
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        "cost_usd": 0.0243,
        "at": "2026-11-06T01:11:43"
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      "datasheet": {
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        "pages": 58,
        "sha256": "6999c7cde8d7d768",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "up": "Z",
        "units": "mm",
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        "centre_offset_mm": 0,
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        "checked": "2026-11-06",
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6999c7cde8d7d7684045d82f6655e2dc37bf604ee913a693a2cc71f186b6ae2e",
      "rows": [
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          "name": "Tolerance (reference voltage at 25°C, no A/B suffix)",
          "symbol": "VREF",
          "kind": "tolerance",
          "unit": "%",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "TLV431 (no suffix) initial tolerance at 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Cathode voltage",
          "symbol": "VKA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "Voltage with respect to anode",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Continuous cathode current",
          "symbol": "IK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Reference current",
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          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -0.05,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating virtual junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Cathode voltage",
          "symbol": "VKA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "Minimum printed as VREF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Cathode current",
          "symbol": "IK",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0.1,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "TLV431_I",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 206,
          "max": null,
          "conditions": "DBV (SOT-23-5) package",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 131,
          "max": null,
          "conditions": "DBV (SOT-23-5) package",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage (25°C)",
          "symbol": "VREF",
          "kind": "tolerance",
          "unit": "V",
          "min": 1.222,
          "typ": 1.24,
          "max": 1.258,
          "conditions": "VKA = VREF, IK=10mA, TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage (full temperature range, TLV431I)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.202,
          "typ": null,
          "max": 1.278,
          "conditions": "VKA = VREF, IK=10mA, TA = full range (Figure 6-1)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VREF deviation over full temperature range (TLV431I)",
          "symbol": "VREF(dev)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 6,
          "max": 20,
          "conditions": "VKA = VREF, IK = 10mA (Figure 6-1)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ratio of VREF change to cathode voltage change",
          "symbol": "ΔVREF/ΔVKA",
          "kind": "voltage_coefficient",
          "unit": "mV/V",
          "min": null,
          "typ": -1.5,
          "max": -2.7,
          "conditions": "VKA = VREF to 6V, IK = 10mA (Figure 6-2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference terminal current",
          "symbol": "Iref",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.15,
          "max": 0.5,
          "conditions": "IK = 10mA, R1 = 10kΩ, R2 = open (Figure 6-2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Iref deviation over full temperature range (TLV431I)",
          "symbol": "Iref(dev)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 0.4,
          "conditions": "IK = 10mA, R1 = 10kΩ, R2 = open (Figure 6-2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum cathode current for regulation (TLV431C/I)",
          "symbol": "IK(min)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 55,
          "max": 80,
          "conditions": "VKA = VREF (Figure 6-1)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Off-state cathode current",
          "symbol": "IK(off)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.001,
          "max": 0.1,
          "conditions": "VREF = 0, VKA = 6V (Figure 6-3)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dynamic impedance",
          "symbol": "|zKA|",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.25,
          "max": 0.4,
          "conditions": "VKA = VREF, f ≤ 1kHz, IK = 0.1mA to 15mA (Figure 6-1)",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "TLV431IDBVR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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