EG1252L

{
  "slug": "eg1252l",
  "version": "0.1.0",
  "type": "component",
  "description": "EG Micro AC-DC Controllers And Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "eg1252l",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eg1252l.kicad_sym",
    "eg1252l.kicad_mod",
    "eg1252l.glb",
    "eg1252l.step",
    "eg1252l.lbr",
    "docs/hero.png",
    "docs/eg1252l-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eg1252l-hero.glb",
    "eg1252l-hero.overlay.json"
  ],
  "component": {
    "mpn": "EG1252L",
    "manufacturer": "EG Micro",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603103726639071232",
    "parts": {
      "symbol": "eg1252l.kicad_sym",
      "footprint": "eg1252l.kicad_mod",
      "model_3d": "eg1252l-hero.glb",
      "model_3d_plain": "eg1252l.glb",
      "model_3d_step": "eg1252l-etched.step",
      "model_3d_step_plain": "eg1252l.step",
      "lbr": "eg1252l.lbr"
    },
    "distributor_links": {
      "lcsc": "C5346623"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T23:38:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 514 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Feedback input: the PWM duty cycle is set by this pin's voltage together with the current-sense signal, with FB open-circuit voltage 5.3 V (typ.) and FB-to-GND short-circuit current 1.2 mA (typ.)."
      },
      {
        "number": "2",
        "name": "BO",
        "type": "input",
        "description": "Input voltage detection pin for input undervoltage protection, with a protection voltage VBO of 0.95 V and an internal 9 µA pull-down current source active when VBO is below 0.9 V."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Current-sense input that reads the voltage across the external sense resistor for cycle-by-cycle overcurrent limiting, with Vcs(max) of 0.92 V min, 1 V typ and 1.08 V max and 250 ns leading-edge blanking."
      },
      {
        "number": "4",
        "name": "RI",
        "type": "passive",
        "description": "Frequency-setting pin: an external resistor from RI to GND sets the switching frequency per Fosc(kHz) = 4200 / RI(kΩ), with an RI open-circuit voltage of 2 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Gate drive output for the power MOSFET, with a maximum of VCC + 0.3 V, a high-level output of 13 V (typ.) at 20 mA source and a low-level output of 0.3 V at 20 mA sink."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin with a 30 V absolute maximum, a 32 V (typ.) zener clamp at 10 mA, and 2.3 mA (typ.) operating current."
      },
      {
        "number": "8",
        "name": "RT",
        "type": "input",
        "description": "Over-temperature protection pin: an external NTC thermistor sets the trip point, with an 80 µA internal current source flowing out of RT, protection entering at 1 V and releasing above 1.1 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: The datasheet is in Chinese; pin names and functions were translated into English from the pin table; Pin types are inferred from function, not stated by the datasheet; RI is classed as passive because ; The datasheet's electrical characteristics table labels the VCC turn-on and turn-off thresholds with"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0383,
        "at": "2026-10-09T23:35:29"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603103726639071232",
        "pages": 11,
        "sha256": "0ccb14070c4fa207",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "eg1252l.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eg1252l-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0c1510424d96d8c34abb8966106208a27d044ca55c37687f0847be1a43f2481e",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}