ETA3425S2F

{
  "slug": "eta3425s2f",
  "version": "0.1.0",
  "type": "component",
  "description": "etasolution DC-DC Converters, SOT23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "eta3425s2f",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eta3425s2f.kicad_sym",
    "eta3425s2f.kicad_mod",
    "eta3425s2f.glb",
    "eta3425s2f.step",
    "eta3425s2f.lbr",
    "docs/hero.png",
    "docs/eta3425s2f-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eta3425s2f-hero.glb",
    "eta3425s2f-hero.overlay.json",
    "eta3425s2f-etched.glb"
  ],
  "component": {
    "mpn": "ETA3425S2F",
    "manufacturer": "etasolution",
    "package": "SOT23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903956996636672",
    "parts": {
      "symbol": "eta3425s2f.kicad_sym",
      "footprint": "eta3425s2f.kicad_mod",
      "model_3d": "eta3425s2f-hero.glb",
      "model_3d_plain": "eta3425s2f-etched.glb",
      "model_3d_step": "eta3425s2f-etched.step",
      "model_3d_step_plain": "eta3425s2f.step",
      "lbr": "eta3425s2f.lbr"
    },
    "distributor_links": {
      "lcsc": "C7465503"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:39:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: pull high to enable and pull low to disable, with EN input low voltage of 0.4V max and EN input high voltage of 1.0V min."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the datasheet asks that the GND trace be routed underneath the IC body."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Inductor connection: connect a 2.2uH inductor between SW and the regulator output, with a switch-node leakage current of 1uA (typ) at VOUT=7V."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input, rated 2.6V to 7V, bypassed with a 10uF ceramic capacitor to GND and placed nearest to the VIN and GND pins."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback voltage pin: connect an external resistor divider from the output to FB and GND to set the output between 1.11V and VIN."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin description for VIN in the datasheet reads 'Short to PIN', which is garbled and likely a typ; The SOT23-5 pin table lists pins 1 to 5 (EN, GND, SW, VIN, FB). The 'NC' row (pin 2 in the DFN2x2-6 "
        ],
        "pages_sent": 6,
        "cost_usd": 0.029,
        "at": "2026-10-17T14:37:44"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903956996636672",
        "pages": 6,
        "sha256": "2f48144e2fee269c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "eta3425s2f.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eta3425s2f-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bc30f04b673c39ab3151f94ac6dc7246a555fc9a6ebf81bd5ea8f4d0f03976da",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}