EA8252O8R

{
  "schema_version": 1,
  "type": "component",
  "slug": "ea8252o8r",
  "title": "EA8252O8R",
  "brief": "Everanalog IC design DC-DC Converters, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "ea8252o8r"
  ],
  "component": {
    "mpn": "EA8252O8R",
    "manufacturer": "Everanalog IC design",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/11f7ab82d21c04b06be41b970aed911c.pdf",
    "parts": {
      "symbol": "ea8252o8r.kicad_sym",
      "footprint": "ea8252o8r.kicad_mod",
      "model_3d": "ea8252o8r-etched.glb",
      "model_3d_plain": "ea8252o8r.glb",
      "model_3d_step": "ea8252o8r-etched.step",
      "model_3d_step_plain": "ea8252o8r.step",
      "lbr": "ea8252o8r.lbr"
    },
    "distributor_links": {
      "lcsc": "C22462487"
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "power_in",
        "description": "Power input for the internal high-side N-MOSFET gate driver. Connect a 33nF ceramic capacitor from BOOT to SWITCH. Absolute range VSWITCH-0.3V to VSWITCH+6.3V."
      },
      {
        "number": "2",
        "name": "PWR",
        "type": "power_in",
        "description": "Main power input to the EA8252 (4.5V to 18V, abs max +20V). Bypass with two 10uF MLCCs to GND; if using electrolytics, add a 0.1uF ceramic close to the pin to suppress noise."
      },
      {
        "number": "3",
        "name": "SWITCH",
        "type": "output",
        "description": "Internal MOSFET switching node output. Connect to an external L-C low-pass filter to produce the regulated DC output voltage. Absolute rating -1V to +20V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the controller and low-side MOSFET return."
      },
      {
        "number": "5",
        "name": "FBK",
        "type": "input",
        "description": "Feedback input to the internal error amplifier. Connect a resistor divider from VOUT to FBK to GND to set the output voltage; internal reference VREF = 0.765V (typ). Abs max -0.3V to +6.3V."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating or tie to ground; not internally bonded to any function."
      },
      {
        "number": "7",
        "name": "RUN",
        "type": "input",
        "description": "Enable / on-off control input. VIL <= 0.4V (off), VIH >= 2V (on). Internal 950kΩ pull-down to GND. For automatic startup, tie to PWR through a 150kΩ pull-up. Abs max -0.3V to +20V."
      },
      {
        "number": "8",
        "name": "SST",
        "type": "passive",
        "description": "Soft-start programming pin. Connect a ceramic capacitor from SST to GND; the pin sources 5.5uA (typ) to set the soft-start ramp time. Abs max -0.3V to +6.3V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/11f7ab82d21c04b06be41b970aed911c.pdf",
        "pages": 7,
        "sha256": "58069a748d5b4547",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "ea8252o8r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ea8252o8r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e396dbf7bf808f045b1ef0ce043e464fefe705d9ff536a1bbb686e75acb0c2b9",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Everanalog IC design",
      "Package": "SOP-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ea8252o8r"
  ],
  "discovery_pitch": "EA8252O8R (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",
    "ea8252o8r.kicad_sym",
    "ea8252o8r.kicad_mod",
    "ea8252o8r.glb",
    "ea8252o8r.step",
    "ea8252o8r-etched.step",
    "ea8252o8r.lbr",
    "docs/hero.png",
    "docs/ea8252o8r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "EA8252O8R",
      "kind": "packaging"
    },
    {
      "mpn": "EA8252O8RP8R",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T20:14:50.661Z"
}