EA2224

{
  "schema_version": 1,
  "type": "component",
  "slug": "ea2224",
  "title": "EA2224",
  "brief": "Everanalog IC design DC-DC Converters, TDFN-14-EP(3x4). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "ea2224"
  ],
  "component": {
    "mpn": "EA2224",
    "manufacturer": "Everanalog IC design",
    "package": "TDFN-14-EP(3x4)",
    "pin_count": 15,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7e3a7340421e82442c91550335f76aa1.pdf",
    "parts": {
      "symbol": "ea2224.kicad_sym",
      "footprint": "ea2224.kicad_mod",
      "model_3d": "ea2224-etched.glb",
      "model_3d_plain": "ea2224.glb",
      "model_3d_step": "ea2224-etched.step",
      "model_3d_step_plain": "ea2224.step",
      "lbr": "ea2224.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VINA",
        "type": "power_in",
        "description": "IC analog power supply input, 2.7V to 5.5V operating range. Powers the internal control/logic; typically tied to VIN through a small RC filter."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Chip analog ground reference for the control circuitry."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Voltage feedback input. For adjustable versions, connect to an external divider (VFB = 500mV typical); for fixed 3.3V versions, tie directly to VOUT."
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "power_out",
        "description": "Power output of the Buck-Boost converter, 2.8V to 5.5V (or fixed 3.3V). Pins 4 and 5 must be tied together and bypassed with output capacitors."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Power output of the Buck-Boost converter (paralleled with pin 4 for current handling)."
      },
      {
        "number": "6",
        "name": "LXU",
        "type": "passive",
        "description": "Inductor switch node on the up-converter (boost) side. Pins 6 and 7 must be tied together and connected to one terminal of the external inductor. RON typ 50mΩ."
      },
      {
        "number": "7",
        "name": "LXU",
        "type": "passive",
        "description": "Inductor switch node on the up-converter (boost) side (paralleled with pin 6)."
      },
      {
        "number": "8",
        "name": "LXD",
        "type": "passive",
        "description": "Inductor switch node on the down-converter (buck) side. Pins 8 and 9 must be tied together and connected to the other terminal of the external inductor. RON typ 50mΩ."
      },
      {
        "number": "9",
        "name": "LXD",
        "type": "passive",
        "description": "Inductor switch node on the down-converter (buck) side (paralleled with pin 8)."
      },
      {
        "number": "10",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input of the Buck-Boost converter, 2.7V to 5.5V. Pins 10 and 11 must be tied together and bypassed with input capacitors."
      },
      {
        "number": "11",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input of the Buck-Boost converter (paralleled with pin 10 for current handling)."
      },
      {
        "number": "12",
        "name": "EN",
        "type": "input",
        "description": "Enable input (1 = enabled, 0 = disabled). VIH >= 1.2V, VIL <= 0.4V. Must not be left open."
      },
      {
        "number": "13",
        "name": "PS/SYNC",
        "type": "input",
        "description": "Dual-function control: Power-Save mode select (1 = disabled/FPWM, 0 = enabled) OR external clock input for synchronization (4.4-5.2MHz range). Must not be left open."
      },
      {
        "number": "14",
        "name": "PWRGD",
        "type": "output",
        "description": "Power Good indicator, open-drain output (1 = good, 0 = failure). Asserts when VOUT >= ~95% of VOUT,SET; requires external pull-up."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground of the Buck-Boost converter (exposed thermal pad). Must be soldered to a large PCB copper area connected to PGND for maximum power/thermal dissipation."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/7e3a7340421e82442c91550335f76aa1.pdf",
        "pages": 12,
        "sha256": "46f42b31d1738b26",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 15,
        "described": 15,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "ea2224.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          3.98,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "be5cff1a18ac6ffbe197561441c1546755e61de7ca02dcc6734fc20d3d6c79dd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ea2224-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,
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        "sha256": "3bc1489a26ffc307149d7047faa0041def98a1fd0fd75aed3a6b7fa1461a7e20",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Everanalog IC design",
      "Package": "TDFN-14-EP(3x4)",
      "Category": "PMIC",
      "Pins": "15"
    }
  },
  "variants": [
    {
      "mpn": "EA2224K",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ea2224"
  ],
  "discovery_pitch": "EA2224 (Everanalog IC design) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ea2224.kicad_sym",
    "ea2224.kicad_mod",
    "ea2224.glb",
    "ea2224.step",
    "ea2224.lbr",
    "docs/hero.png",
    "docs/ea2224-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T20:14:11.064Z"
}