main
Ray Set visibility: public 2b762f1 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "eta1485e8a",
  "title": "ETA1485E8A",
  "brief": "etasolution DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "eta1485e8a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ETA1485E8A",
    "manufacturer": "etasolution",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603065706628071424",
    "parts": {
      "symbol": "eta1485e8a.kicad_sym",
      "footprint": "eta1485e8a.kicad_mod",
      "model_3d": "eta1485e8a-hero.glb",
      "model_3d_plain": "eta1485e8a-etched.glb",
      "model_3d_step": "eta1485e8a-etched.step",
      "model_3d_step_plain": "eta1485e8a.step",
      "lbr": "eta1485e8a.lbr"
    },
    "distributor_links": {
      "lcsc": "C7465506"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T18:01:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap pin for the high-side gate drive; connect a 10nF capacitor from this pin to SW."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Supply voltage input (3.6V to 18V operating range, 20V absolute maximum); bypass with a 22μF ceramic capacitor to GND."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Switch node connecting the internal power MOSFETs to the external inductor, which connects between SW and the regulator output."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input (0.923V reference); connect an external resistor divider from the output to FB and GND to set VOUT."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "Regulator compensation node; connect a series RC network to GND."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable input: drive high to enable the part and low to disable it (EN input low maximum 0.6V, high minimum 1.3V)."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start pin; connect a 0.1μF capacitor from this pin to GND."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 ESOP8 pin configuration diagram on page 2 is garbled in the extracted text and its FB and GND po; Pin types are inferred from the descriptions (KiCad ERC classes); the datasheet does not state them.; The page 5 package outline contains no extractable dimensions or pin-1 marking, so orientation was n",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0336,
        "at": "2026-10-18T17:59:36"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603065706628071424",
        "pages": 5,
        "sha256": "8fddb2bbda78ca14",
        "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": [
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        "file": "eta1485e8a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.65
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eta1485e8a-etched.step",
        "role": "eda",
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        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "1a8a61cfdbbfd0857830492059dd12a306cf1694762f9b518df128336cb99e82",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "etasolution",
      "Package": "ESOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8fddb2bbda78ca14f098d56fce66b15ec8ac50d0347f4c670fef0b777348b14d",
      "rows": [
        {
          "name": "Input Voltage Range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 3.6,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "FB Feedback Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.904,
          "typ": 0.923,
          "max": 0.942,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "IN Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 20,
          "conditions": "",
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        },
        {
          "name": "SW, EN Voltage (max VIN+0.3V)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "BST Voltage (max SW+6V)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "FB Voltage",
          "symbol": "",
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          "typ": null,
          "max": 6,
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          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input UVLO Rising",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.55,
          "max": null,
          "conditions": "Hysteresis=140mV",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Supply Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VFB =1.0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Shutdown Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 6,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "FB Input Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Error Amp Transconductance",
          "symbol": "",
          "kind": "electrical",
          "unit": "μS",
          "min": null,
          "typ": 800,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current Sense Transresistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "KHz",
          "min": null,
          "typ": 340,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "High side Switch On Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "m",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "ISW =200mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Low side Switch On Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "m",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "ISW =200mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "High side Switch Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 3.5,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SW Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VIN=12V,VSW=0 or 12V, EN= GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "EN Input Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "EN Input Low Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "EN Input High Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "Hysteresis=40°C",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
    "eta1485e8a"
  ],
  "discovery_pitch": "ETA1485E8A (etasolution) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}