main
Ray Set visibility: public 55abbf8 6h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "he2280a50mr",
  "title": "HE2280A50MR",
  "brief": "HEERMICR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, 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": [
    "component",
    "power management (pmic)",
    "he2280a50mr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HE2280A50MR",
    "manufacturer": "HEERMICR",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590237984529686528",
    "parts": {
      "symbol": "he2280a50mr.kicad_sym",
      "footprint": "he2280a50mr.kicad_mod",
      "model_3d": "he2280a50mr-hero.glb",
      "model_3d_plain": "he2280a50mr-etched.glb",
      "model_3d_step": "he2280a50mr-etched.step",
      "model_3d_step_plain": "he2280a50mr.step",
      "lbr": "he2280a50mr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5123372"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:27:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, the common reference (VSS) for the regulator; the datasheet calls for a wide copper trace on GND."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 5.0V output (HE2280A50MR), up to 150mA, absolute maximum VSS+6.0V, and it needs a 10uF X7R/X5R ceramic output capacitor to GND for stability."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input, absolute maximum VSS+80V with recommended maximum of 60V, decoupled with a 10uF ceramic capacitor to GND placed close to the device."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOT23-3 pin assignment drawing on page 2 shows only names, with VIN on the single top pin, GND a; The datasheet gives conflicting input voltage limits: 80V absolute maximum and 'Input Voltage 80V' i; Page 3 gives a 150mA maximum output current in the features and a 400mA absolute maximum, while page",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.2438,
        "at": "2026-10-18T14:25:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590237984529686528",
        "pages": 9,
        "sha256": "00ab58f3bb61acb0",
        "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": "he2280a50mr.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": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "he2280a50mr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a87d5955cc8656aca0698c0396f11c04464b071bd2c37b08df535f8f9337de46",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HEERMICR",
      "Package": "SOT-23-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "00ab58f3bb61acb0d53a2f8935298a7a66dd661f3bf037728c69c20b6b910f2d",
      "rows": [
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage tolerance (HE2280(A) grade, 5.0V)",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "HE2280(A) ±1% output voltage",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 2,
          "max": 3,
          "conditions": "VIN=12V, ILOAD=0mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current",
          "symbol": "IOUT(Max)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage at VIN",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
          "symbol": "Tj",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating free air temperature range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (absolute maximum, relative to VSS)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 80,
          "conditions": "Relative to VSS",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (absolute maximum, relative to VSS)",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "Relative to VSS",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation SOT23-3",
          "symbol": "Pd",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance SOT23-3",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "Package thermal impedance per JESD 51-7 (note 3)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soldering Temperature",
          "symbol": "Tsolder",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 s",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Human Body Model",
          "symbol": "V(ESD-HBM)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -4000,
          "typ": null,
          "max": 4000,
          "conditions": "HBM, ANSI/ESDA/JEDEC JS-001-2014, Class 2",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Charged Device Model",
          "symbol": "V(ESD-CDM)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -200,
          "typ": null,
          "max": 200,
          "conditions": "CDM, ANSI/ESDA/JEDEC JS-002-2014, Class C0b",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Latch-up",
          "symbol": "ILATCH-UP",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -150,
          "typ": null,
          "max": 150,
          "conditions": "JEDEC JESD78E, Temperature Class I",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVOUT/ΔVIN•VOUT",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": null,
          "conditions": "IOUT=1mA, (Vset+0.5v)≦VIN≦55V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVOUT",
          "kind": "electrical",
          "unit": "%/ mA",
          "min": null,
          "typ": 0.02,
          "max": null,
          "conditions": "VIN=12V, 1mA≦IOUT≦100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short Current",
          "symbol": "ISHORT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "RL=1Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "eNO",
          "kind": "electrical",
          "unit": "uVRMS",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "COUT=1uF, BW = 300Hz~50kHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Temperature Coefficient",
          "symbol": "ΔVOUT/ΔT•VOUT",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "he2280a50mr"
  ],
  "discovery_pitch": "HE2280A50MR (HEERMICR) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "he2280a50mr.step",
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    "he2280a50mr-etched.glb"
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  "visibility": {
    "public": true
  }
}