ETA3458FSG

{
  "schema_version": 1,
  "type": "component",
  "slug": "eta3458fsg",
  "title": "ETA3458FSG",
  "brief": "etasolution DC-DC Converters, SOT-563. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "eta3458fsg"
  ],
  "component": {
    "mpn": "ETA3458FSG",
    "manufacturer": "etasolution",
    "package": "SOT-563",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e43ec0f7837f035f0efbda5a4e803890.pdf",
    "parts": {
      "symbol": "eta3458fsg.kicad_sym",
      "footprint": "eta3458fsg.kicad_mod",
      "model_3d": "eta3458fsg-etched.glb",
      "model_3d_plain": "eta3458fsg.glb",
      "model_3d_step": "eta3458fsg-etched.step",
      "model_3d_step_plain": "eta3458fsg.step",
      "lbr": "eta3458fsg.lbr"
    },
    "distributor_links": {
      "lcsc": "C46682827"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for the device. Connect to the system ground plane with low-impedance path close to the input capacitor."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Switching node. Connect the external power inductor between SW and the regulator output. Internally driven by the high-side and low-side power MOSFETs (RDS(on) ~37mΩ HS / ~25mΩ LS)."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input, 2.5V to 5.5V. Bypass with a 22µF ceramic capacitor to GND placed close to the pin. Absolute maximum 7V."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable input. Drive high (rising threshold typ 1.2V, falling 0.4V) to enable the converter; drive low to shut down (IQ <1µA). For automatic start-up, tie EN to VIN through a pull-up resistor. Absolute maximum 7V."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the internal error comparator. Connect an external resistor divider from VOUT to FB and GND to set the output voltage: VOUT = 0.6V × (1 + R1/R2). Internal reference 0.6V (±1%); R2 should be 1kΩ-70kΩ."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "input",
        "description": "Output sense/feed-forward pin. Connect to VOUT (the regulated output rail) or leave not connected. Used internally by the Adaptive COT control loop."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e43ec0f7837f035f0efbda5a4e803890.pdf",
        "pages": 10,
        "sha256": "842e4e68b2a492eb",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -0.7125,
        -0.5
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-563@sha256:787def5a43a0ae8e",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "eta3458fsg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          1.6,
          0.63
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "76c34aa4905777c0a8abe4718019904a3a9f8343cab7cc056f4516b7ef5165fc",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eta3458fsg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          1.6,
          0.63
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "454f437b8979544d3a464dfd4a894af5054adf5d7c7f72e38c4d9d7a11ad6d9b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "etasolution",
      "Package": "SOT-563",
      "Category": "PMIC",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "eta3458fsg"
  ],
  "discovery_pitch": "ETA3458FSG (etasolution) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eta3458fsg.kicad_sym",
    "eta3458fsg.kicad_mod",
    "eta3458fsg.glb",
    "eta3458fsg.step",
    "eta3458fsg-etched.step",
    "eta3458fsg.lbr",
    "docs/hero.png",
    "docs/eta3458fsg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "ETA3458FSG",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T20:27:20.201Z"
}