ETA2822E8A

{
  "slug": "eta2822e8a",
  "version": "0.1.0",
  "type": "component",
  "description": "etasolution DC-DC Converters, SOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "eta2822e8a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eta2822e8a.kicad_sym",
    "eta2822e8a.kicad_mod",
    "eta2822e8a.glb",
    "eta2822e8a.step",
    "eta2822e8a.lbr",
    "docs/hero.png",
    "docs/eta2822e8a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eta2822e8a-hero.glb",
    "eta2822e8a-hero.overlay.json",
    "eta2822e8a-etched.glb"
  ],
  "component": {
    "mpn": "ETA2822E8A",
    "manufacturer": "etasolution",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590919056222601216",
    "parts": {
      "symbol": "eta2822e8a.kicad_sym",
      "footprint": "eta2822e8a.kicad_mod",
      "model_3d": "eta2822e8a-hero.glb",
      "model_3d_plain": "eta2822e8a-etched.glb",
      "model_3d_step": "eta2822e8a-etched.step",
      "model_3d_step_plain": "eta2822e8a.step",
      "lbr": "eta2822e8a.lbr"
    },
    "distributor_links": {
      "lcsc": "C22362745"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T22:17:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Inductor connection: connect an inductor between SW and the regulator output, with SW voltage limited to -0.3V to VIN+0.3V per the absolute maximum ratings."
      },
      {
        "number": "2",
        "name": "ROSC",
        "type": "passive",
        "description": "Frequency setting: connect a resistor from this pin to GND to set the switching frequency, which the datasheet states can be programmed from 100 kHz to 2 MHz."
      },
      {
        "number": "3",
        "name": "RCOMP",
        "type": "passive",
        "description": "Cable resistance compensation adjust: connect a resistor from this pin to GND to compensate for the voltage drop due to cord resistance."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback input: connect an external resistor divider from the output to FB and GND to set VOUT, with FB voltage of 0.776 V to 0.824 V (0.800 V typical)."
      },
      {
        "number": "5",
        "name": "ILIM",
        "type": "passive",
        "description": "Current limit setting: connect a resistor from this pin to GND to set the output current limit value."
      },
      {
        "number": "6",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap pin: connect a 100nF capacitor from this pin to SW, with BST voltage limited to -0.3V to SW+6V per the absolute maximum ratings."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage: bypass with a 10µF ceramic capacitor to GND; the input operating range is 4V to 36V, with a 42V standoff voltage."
      },
      {
        "number": "8",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: drive high to enable the part and low to disable it, with EN voltage limited to -0.3V to VIN+0.3V per the absolute maximum ratings."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection on the exposed pad of the ESOP-8 package, which the datasheet lists as pin 9."
      }
    ],
    "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 names the package ESOP-8 / ESOP8 and orders the ETA2822E8A in ESOP-8 (4000 pcs/reel). ; Pin 9 is the exposed pad, listed as GND. The datasheet does not give a separate numbered pin for it ; Pin types for ROSC, RCOMP, ILIM and BST are classified by me from their function (resistor-set or bo"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0377,
        "at": "2026-10-16T22:17:01"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590919056222601216",
        "pages": 7,
        "sha256": "a17115f312f9598d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "eta2822e8a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eta2822e8a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c497f49a1f5f20241a576322bfd6505bd852d8bd9533abeb3d5ed1555f890cd4",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}