main
Ray Set visibility: public 9cc9b65 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "he2028a50gr",
  "title": "HE2028A50GR",
  "brief": "HEERMICR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. 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)",
    "he2028a50gr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HE2028A50GR",
    "manufacturer": "HEERMICR",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590457369692958720",
    "parts": {
      "symbol": "he2028a50gr.kicad_sym",
      "footprint": "he2028a50gr.kicad_mod",
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      "model_3d_plain": "he2028a50gr-etched.glb",
      "model_3d_step": "he2028a50gr-etched.step",
      "model_3d_step_plain": "he2028a50gr.step",
      "lbr": "he2028a50gr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5199434"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:24:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Regulator input; accepts 3.0V to 50V per the electrical table, with a recommended ceramic input capacitor placed close to the pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; the middle lead and the metal tab are both labelled GND in the TO252 top view, and it should be a single-point ground return."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 5.0V output (HE2028A50GR) delivering up to 800mA with ±2% accuracy, needing a 10µF ceramic output capacitor for stability."
      }
    ],
    "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 TO252 top-view drawing labels VIN (left lead), GND (centre stub and tab) and VOUT (right lead) b; The block diagram shows an EN pin and the electrical table gives EN thresholds, but the package pino; The datasheet gives an absolute-maximum input of VSS+50V and a recommended-operating supply maximum ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1464,
        "at": "2026-10-19T07:22:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590457369692958720",
        "pages": 9,
        "sha256": "04db718670775aea",
        "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": "he2028a50gr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "he2028a50gr-etched.step",
        "role": "eda",
        "up": "Z",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9f2a467b7fc95dbeea175b1ace691ffdec3d01c1a2e1842cb9ec936e66e9173f",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HEERMICR",
      "Package": "TO-252",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "04db718670775aeae558c770569e79a53b26ea4cb45ca7f58ce615ff093b7214",
      "rows": [
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "VIN=12V, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "VIN=12V, no load",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Ground Current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VOUT Shutdown Leakage Current",
          "symbol": "ILEAK",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VOUT = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Threshold Voltage, Logic-High",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "VIN=5.0V, IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Threshold Voltage, Logic-Low",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VIN=5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "mA",
          "min": 300,
          "typ": 450,
          "max": null,
          "conditions": "VIN= VOUT +1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage at VIN (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "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)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 50,
          "conditions": "relative to VSS",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (absolute maximum)",
          "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 (absolute maximum)",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "Pd",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 1800,
          "conditions": "TO252-3L package",
          "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 Current",
          "symbol": "ILATCH-UP",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -150,
          "typ": null,
          "max": 150,
          "conditions": "JEDEC STANDARD NO.78E, Temperature Class I",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "TO252-3L, per JESD 51-7",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
    "he2028a50gr"
  ],
  "discovery_pitch": "HE2028A50GR (HEERMICR) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
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}