main
Ray Set visibility: public bdd09a0 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "a3214llhlt-t",
  "title": "A3214LLHLT-T",
  "brief": "Allegro MicroSystems LLC Linear Hall Sensors, SOT-23W. 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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    "magnetic sensors",
    "a3214llhlt-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "A3214LLHLT-T",
    "manufacturer": "Allegro MicroSystems LLC",
    "package": "SOT-23W",
    "pin_count": 3,
    "category": "Magnetic Sensors",
    "subcategory": "Linear Hall Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040717381033984",
    "parts": {
      "symbol": "a3214llhlt-t.kicad_sym",
      "footprint": "a3214llhlt-t.kicad_mod",
      "model_3d": "a3214llhlt-t-hero.glb",
      "model_3d_plain": "a3214llhlt-t-etched.glb",
      "model_3d_step": "a3214llhlt-t-etched.step",
      "model_3d_step_plain": "a3214llhlt-t.step",
      "lbr": "a3214llhlt-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2152893",
      "digikey": "620-A3214LLHLT-TTR-ND",
      "mouser": "250-A3214LLHLT-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T09:59:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "620-A3214LLHLT-TTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "250-A3214LLHLT-T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Input power supply; tie to GND with a bypass capacitor, with operating supply voltage range 2.4 V to 5.5 V and absolute maximum supply voltage of 6 V."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "output",
        "description": "Output signal; the output switches low (turns on) when the magnetic flux exceeds the operate point and can sink up to 1 mA, with absolute maximum output off voltage of 6 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device; a bypass capacitor should be connected between supply and ground close to the Hall element."
      }
    ],
    "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: The MPN A3214LLHLT-T does not appear in the datasheet Selection Guide (page 2). The listed LH varian; Pin descriptions for VOUT and GND are not fully stated in the datasheet. The VDD description is from"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0497,
        "at": "2026-10-20T09:59:31"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040717381033984",
        "pages": 12,
        "sha256": "ecfb8b30803c8732",
        "source_tier": "lcsc"
      },
      "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": "a3214llhlt-t.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": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "a3214llhlt-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7cb45ebb6cddecf98db21ccf017f97eca480390770c85464e4421f22a00422db",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Allegro MicroSystems LLC",
      "Package": "SOT-23W",
      "Category": "Magnetic Sensors",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "miniature low-profile surface-mount package, ‘UA’ is a three￾lead SIP for through-hole mounting. Each package is lead (Pb) free (suffix, –T) , with a 100% matte-tin-plated leadframe.",
        "page": 2,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "ecfb8b30803c87323cc7a05a5697cee900c1454d060fa5bac5d0d85898eb71e8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ecfb8b30803c87323cc7a05a5697cee900c1454d060fa5bac5d0d85898eb71e8",
      "rows": [
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          "name": "Supply Voltage Range",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": 3,
          "max": 5.5,
          "conditions": "Operating [2]",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Leakage Current",
          "symbol": "IOFF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VOUT = 5.5 V, BRPN < B < BRPS",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output On Voltage",
          "symbol": "VOUT(ON)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": 300,
          "conditions": "Output on, IOUT = 1 mA, VDD = 3.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Awake Time",
          "symbol": "tawake",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 60,
          "max": 90,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Period (A3214)",
          "symbol": "tperiod",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 60,
          "max": 90,
          "conditions": "TA = 25°C, VDD = 3 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Current, chip awake (enabled)",
          "symbol": "IDD(EN)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Chip awake (enabled)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Current, chip asleep (disabled)",
          "symbol": "IDD(DIS)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "Chip asleep (disabled)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Average Supply Current (A3214)",
          "symbol": "IDD(AVG)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
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          "max": 22,
          "conditions": "A3214",
          "source_page": 4,
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        },
        {
          "name": "Supply Voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Off Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Operating Ambient Temperature Range L",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "Range L",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ(max)",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 165,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 170,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, LH 1-layer PCB",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 228,
          "max": null,
          "conditions": "Package LH, 1-layer PCB with copper limited to solder pads",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, LH 2-layer PCB",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 110,
          "max": null,
          "conditions": "Package LH, 2-layer PCB with 0.463 in.2 of copper area each side connected by thermal vias",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "A3214LLHLT-T (Allegro MicroSystems LLC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}