ETA1039S2G

{
  "slug": "eta1039s2g",
  "version": "0.1.0",
  "type": "component",
  "description": "ETA(钰泰) DC-DC Converters, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "eta1039s2g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eta1039s2g.kicad_sym",
    "eta1039s2g.kicad_mod",
    "eta1039s2g.glb",
    "eta1039s2g.step",
    "eta1039s2g.lbr",
    "docs/hero.png",
    "docs/eta1039s2g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eta1039s2g-hero.glb",
    "eta1039s2g-hero.overlay.json",
    "eta1039s2g-etched.glb"
  ],
  "component": {
    "mpn": "ETA1039S2G",
    "manufacturer": "ETA(钰泰)",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604434723515219968",
    "parts": {
      "symbol": "eta1039s2g.kicad_sym",
      "footprint": "eta1039s2g.kicad_mod",
      "model_3d": "eta1039s2g-hero.glb",
      "model_3d_plain": "eta1039s2g-etched.glb",
      "model_3d_step": "eta1039s2g-etched.step",
      "model_3d_step_plain": "eta1039s2g.step",
      "lbr": "eta1039s2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C42383374"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T15:10:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Output pin; bypass with a 22μF or larger ceramic capacitor placed closely between this pin and GND."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: drive high to enable the part and low to disable it; the datasheet specifies EN input low max 0.6V and high min 1.5V."
      },
      {
        "number": "4",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply voltage; bypass with a 4.7μF ceramic capacitor to GND."
      },
      {
        "number": "5",
        "name": "ISET",
        "type": "passive",
        "description": "Current limit setting pin: a resistor Rset to GND sets the input peak current, and an additional resistor R1 from VIN to ISET gives a constant output current limit."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Inductor connection; connect an inductor between SW and the input. SW voltage is rated -0.3V to 5.5V absolute maximum."
      }
    ],
    "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 datasheet's PIN CONFIGURATION section (page 2) has no pin-view drawing in the extracted text; pi; KiCad type for ISET (passive) and SW (output) is my classification, not stated in the datasheet. The; Ordering table lists only ETA1039S2G in SOT23-6, so the package variant matches the hint; no other p"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0258,
        "at": "2026-10-17T15:08:27"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604434723515219968",
        "pages": 6,
        "sha256": "ea5c8f855c2a0284",
        "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": "eta1039s2g.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": "eta1039s2g-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": "ba574e9086aba40b74dd160487d974fde07c3d5828aaab0769402032cd09d567",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}