ATL431AIDBZR

{
  "schema_version": 1,
  "type": "component",
  "slug": "atl431aidbzr",
  "title": "ATL431AIDBZR",
  "brief": "Texas Instruments Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "atl431aidbzr"
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  "component": {
    "mpn": "ATL431AIDBZR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/lit/ds/symlink/atl431aidbzr.pdf",
    "parts": {
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      "footprint": "atl431aidbzr.kicad_mod",
      "model_3d": "atl431aidbzr-etched.glb",
      "model_3d_plain": "atl431aidbzr.glb",
      "model_3d_step": "atl431aidbzr-etched.step",
      "model_3d_step_plain": "atl431aidbzr.step",
      "lbr": "atl431aidbzr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "CATHODE",
        "type": "passive",
        "description": "Shunt current/voltage input (K). Sinks the shunt current when Vref threshold is exceeded; withstands up to 40 V max and 150 mA continuous (recommended 0.035 mA to 100 mA). Typically pulled up through a series resistor from the supply being regulated."
      },
      {
        "number": "2",
        "name": "REF",
        "type": "input",
        "description": "Reference input; threshold relative to the common ANODE. Internal bandgap forces the shunt to conduct when V(REF-ANODE) exceeds Vref (typ. 2.500 V). Iref typ. 150 nA, allowed range −0.05 to 10 mA."
      },
      {
        "number": "3",
        "name": "ANODE",
        "type": "passive",
        "description": "Common pin (A), normally connected to ground. All voltages are referenced to ANODE."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/atl431aidbzr.pdf",
        "pages": 31,
        "sha256": "ef107d8a8d5c2bab",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "atl431aidbzr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atl431aidbzr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8c3545e84d7f2ca455376f63b911b8a661e404657ea204068159b0a8b37be19c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "atl431aidbzr"
  ],
  "discovery_pitch": "ATL431AIDBZR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "atl431aidbzr.kicad_sym",
    "atl431aidbzr.kicad_mod",
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    "atl431aidbzr.step",
    "atl431aidbzr-etched.step",
    "atl431aidbzr.lbr",
    "docs/hero.png",
    "docs/atl431aidbzr-datasheet.pdf",
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    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:16:07.046Z"
}