EG3525S

{
  "slug": "eg3525s",
  "version": "0.1.0",
  "type": "component",
  "description": "EG Micro AC-DC Controllers And Regulators, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "eg3525s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eg3525s.kicad_sym",
    "eg3525s.kicad_mod",
    "eg3525s.glb",
    "eg3525s.step",
    "eg3525s.lbr",
    "docs/hero.png",
    "docs/eg3525s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eg3525s-hero.glb",
    "eg3525s-hero.overlay.json",
    "eg3525s-etched.glb"
  ],
  "component": {
    "mpn": "EG3525S",
    "manufacturer": "EG Micro",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589784739269156864",
    "parts": {
      "symbol": "eg3525s.kicad_sym",
      "footprint": "eg3525s.kicad_mod",
      "model_3d": "eg3525s-hero.glb",
      "model_3d_plain": "eg3525s-etched.glb",
      "model_3d_step": "eg3525s-etched.step",
      "model_3d_step_plain": "eg3525s.step",
      "lbr": "eg3525s.lbr"
    },
    "distributor_links": {
      "lcsc": "C2987456"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:49:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "INA-",
        "type": "input",
        "description": "Inverting input of the error amplifier, where the feedback signal is applied, with a common-mode input range of 1.5 V to 5.2 V."
      },
      {
        "number": "2",
        "name": "INA+",
        "type": "input",
        "description": "Non-inverting input of the error amplifier, which is tied to the reference voltage, with a common-mode input range of 1.5 V to 5.2 V."
      },
      {
        "number": "3",
        "name": "SYNC",
        "type": "input",
        "description": "External oscillator synchronization input that locks the oscillator to an external sync pulse; sync threshold is 1.2 V to 2.8 V (2 V typ.)."
      },
      {
        "number": "4",
        "name": "OSC OUTPUT",
        "type": "output",
        "description": "Sync pulse output used to synchronize multiple devices operating together, with a clock amplitude of 3 V typ. and a pulse width of 0.5 µs typ."
      },
      {
        "number": "5",
        "name": "CT",
        "type": "input",
        "description": "Oscillator timing capacitor pin; CT should be between 1 nF and 0.1 µF, and a sawtooth of 0.9 V to 3.5 V appears across it in normal operation."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "input",
        "description": "Oscillator timing resistor pin that sets the internal constant charging current into CT; RT should be between 2 kΩ and 150 kΩ."
      },
      {
        "number": "7",
        "name": "DISCHARGE",
        "type": "input",
        "description": "Oscillator discharge pin; the dead-time resistor RD between pins 5 and 7 must be between 0 Ω and 500 Ω and sets the CT discharge time and dead time."
      },
      {
        "number": "8",
        "name": "SOFT START",
        "type": "input",
        "description": "Soft-start control pin where an external soft-start capacitor is charged by an internal 50 µA constant current source."
      },
      {
        "number": "9",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier compensation output feeding the PWM comparator; the feedback network between this pin and pin 1 sets proportional, PI or integral regulator behavior."
      },
      {
        "number": "10",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "External shutdown input where a high level disables the outputs and discharges the soft-start capacitor; it must not be left floating and should be tied to ground through a resistor."
      },
      {
        "number": "11",
        "name": "OUTPUT A",
        "type": "output",
        "description": "Push-pull driver output A, complementary to OUTPUT B (pin 14), with source and sink peak currents up to 500 mA."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Power and signal ground of the chip."
      },
      {
        "number": "13",
        "name": "VC",
        "type": "power_in",
        "description": "Output-stage bias voltage input; the output stage collector voltage has an absolute maximum of 40 V."
      },
      {
        "number": "14",
        "name": "OUTPUT B",
        "type": "output",
        "description": "Push-pull driver output B, complementary to OUTPUT A (pin 11), with source and sink peak currents up to 500 mA."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply input for internal logic, analog circuits and the reference, operating from 8 V to 35 V with an absolute maximum of 40 V; outputs are disabled by undervoltage lockout below 8 V."
      },
      {
        "number": "16",
        "name": "Vref",
        "type": "power_out",
        "description": "5.1 V ±1% reference output that can be divided down to set the error amplifier reference, with a maximum output current of 50 mA."
      }
    ],
    "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 a Chinese user manual covering both SOP-16 and DIP-16 with one shared pin table (se; The datasheet does not explain the EG3525S ordering suffix. Confirm that the S variant is the SOP-16; Pin types are mapped to KiCad classes from the datasheet's I/O column and descriptions. Pin 9 COMP i"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0628,
        "at": "2026-10-18T06:46:56"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589784739269156864",
        "pages": 17,
        "sha256": "c27579fe1f0edb3b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "eg3525s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eg3525s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3489796a653f983748d29fcad20bde46383fbedba2726ef900f4509b63a45fb8",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}