main
Ray Set visibility: public b67480f 11d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "spx432m-l",
  "title": "SPX432M-L",
  "brief": "MaxLinear Voltage References, SOT-23-3. 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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    "power management ics",
    "spx432m-l",
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  "component": {
    "mpn": "SPX432M-L",
    "manufacturer": "MaxLinear",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "Voltage References",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e384f37f9baf6681233703311cb36984.pdf",
    "parts": {
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      "model_3d_step_plain": "spx432m-l.step",
      "lbr": "spx432m-l.lbr"
    },
    "distributor_links": {
      "lcsc": "C2156765",
      "digikey": "1016-1416-ND",
      "mouser": "701-SPX432M-L"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:49:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1016-1416-ND",
        "status": "found",
        "lifecycle": "Discontinued at DigiKey"
      },
      "mouser": {
        "pn": "701-SPX432M-L",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "REF",
        "type": "input",
        "description": "Reference input of the internal 1.24V bandgap; the datasheet limits reference input current to 1mA (absolute maximum) and sets output voltage as VREF to 18V at the cathode via an external divider."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode is the common terminal of the shunt regulator, with a cathode-anode reverse breakdown rating of 20V and a forward current limit of 1A for pulses under 10ms."
      },
      {
        "number": "3",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode is the shunt output, operating from VREF to 18V with cathode current from 1mA to 80mA (minimum current for regulation 1mA)."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "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: Pin numbers 1, 2, 3 are mapped to REF, ANODE, CATHODE from the SOT-23 pin label block ('Ref / Anode ; The datasheet does not state electrical pin types (input, passive, power). The types above are KiCad; Package is taken from the ordering table: SPX432M (1.0%, 3-pin SOT-23) with the -L lead-free suffix,"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0454,
        "at": "2026-10-28T16:49:09"
      },
      "datasheet": {
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        "pages": 11,
        "sha256": "e318447f0fee314a",
        "source_tier": "lcsc"
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      "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": [
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        "file": "spx432m-l.step",
        "role": "plain",
        "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": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "spx432m-l-etched.step",
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        "sha256": "5ba9a963cef938bbb128af5e883e48a2d6b748c5220a3d4eba4bba734faa7972",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MaxLinear",
      "Package": "SOT-23-3",
      "Category": "Power Management ICs",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e318447f0fee314a539a176956a2f7d94de13a753b5a5d1300afb197680ef619",
      "rows": [
        {
          "name": "Output Voltage (SPX432 1.0% grade, SOT-23)",
          "symbol": "VREF",
          "kind": "tolerance",
          "unit": "V",
          "min": 1.2276,
          "typ": 1.24,
          "max": 1.2524,
          "conditions": "3a",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Temperature Deviation",
          "symbol": "VREF",
          "kind": "tolerance",
          "unit": "mV",
          "min": null,
          "typ": 12,
          "max": 20,
          "conditions": "3a, 0 < TJ < 105°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 19,
          "max": 37,
          "conditions": "3b, VKA = 1.25V to 15V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 12,
          "max": 30,
          "conditions": "3a, IK = 1mA to 80mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reference Input Current",
          "symbol": "IREF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "3b",
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          "source": "datasheet"
        },
        {
          "name": "Reference Input Current over temperature",
          "symbol": "IREF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.3,
          "max": 0.6,
          "conditions": "3b, 0 < TJ < 105°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum Cathode Current for Regulation",
          "symbol": "IK(MIN)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.6,
          "max": 1,
          "conditions": "3a",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Off State Leakage",
          "symbol": "IK(OFF)",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 0.04,
          "max": 500,
          "conditions": "3c, VREF = 0V, VKA = 18V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Cathode-Anode Reverse Breakdown",
          "symbol": "VKA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Anode-Cathode Forward Current",
          "symbol": "IAK",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "<10ms",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Cathode Current",
          "symbol": "IKA",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reference Input Current",
          "symbol": "IREF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Continuous Power Dissipation at 25°C (SOT-23)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "at 25°C, SOT-23",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Soldering 10 sec.",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Cathode Voltage (recommended)",
          "symbol": "VKA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "Printed as VREF to 18 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Cathode Current (recommended)",
          "symbol": "IK",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (SOT-23)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 575,
          "max": null,
          "conditions": "SOT-23 typical",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case thermal resistance (SOT-23)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "SOT-23 typical",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Typical derating (SOT-23)",
          "symbol": "",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": 1.7,
          "max": null,
          "conditions": "ambient temperature >25°C",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "SPX432M-L (MaxLinear) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}