ETA2847S2G

{
  "slug": "eta2847s2g",
  "version": "0.1.0",
  "type": "component",
  "description": "etasolution DC-DC Converters, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "eta2847s2g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eta2847s2g.kicad_sym",
    "eta2847s2g.kicad_mod",
    "eta2847s2g.glb",
    "eta2847s2g.step",
    "eta2847s2g.lbr",
    "docs/hero.png",
    "docs/eta2847s2g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eta2847s2g-hero.glb",
    "eta2847s2g-hero.overlay.json",
    "eta2847s2g-etched.glb"
  ],
  "component": {
    "mpn": "ETA2847S2G",
    "manufacturer": "etasolution",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590916643897745408",
    "parts": {
      "symbol": "eta2847s2g.kicad_sym",
      "footprint": "eta2847s2g.kicad_mod",
      "model_3d": "eta2847s2g-hero.glb",
      "model_3d_plain": "eta2847s2g-etched.glb",
      "model_3d_step": "eta2847s2g-etched.step",
      "model_3d_step_plain": "eta2847s2g.step",
      "lbr": "eta2847s2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C22362751"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:31:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the regulator, connected to the system ground."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Inductor connection: connect an inductor between SW and the regulator output; SW voltage is limited to -0.3 V to VIN+0.3 V."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Supply voltage input for the regulator, operating range 4.5 V to 28 V, absolute maximum 34 V; bypass with a 10 µF ceramic capacitor to GND."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback input: connect an external resistor divider from the output to FB and GND to set VOUT; the FB threshold is 0.596 V and FB voltage is limited to -0.3 V to 6 V."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: drive high to enable the part, low to disable it; EN rising threshold is 1.28 V and EN voltage is limited to -0.3 V to VIN+0.3 V."
      },
      {
        "number": "6",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap pin: connect a 100 nF capacitor from this pin to SW; BST voltage is limited to -0.3 V to SW+6 V."
      }
    ],
    "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: Pin 3 is labeled 'IN' in the Pin Description table (page 3) but 'VIN' in the pin configuration diagr; The datasheet does not give a pin type for BST; 'passive' was chosen because it is a capacitor-only ; The datasheet gives no separate pin type for SW; 'output' reflects its role as the buck switch node "
        ],
        "pages_sent": 7,
        "cost_usd": 0.0311,
        "at": "2026-10-17T14:29:21"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590916643897745408",
        "pages": 7,
        "sha256": "406705a015f31310",
        "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"
    },
    "models_3d": [
      {
        "file": "eta2847s2g.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": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eta2847s2g-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": "4bf2e4114299bbf63d6fe8584764810633b6b7905d4aa971dc32a0da8f7c4efb",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}