EG3525S

{
  "schema_version": 1,
  "type": "component",
  "slug": "eg3525s",
  "title": "EG3525S",
  "brief": "EG Micro AC-DC Controllers And Regulators, SOP-16. 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)",
    "eg3525s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
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        "zmin_mm": 0,
        "centre_offset_mm": 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",
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        "units": "mm",
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        "zmin_mm": 0,
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        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "EG Micro",
      "Package": "SOP-16",
      "Category": "Power Management (PMIC)",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "c27579fe1f0edb3ba8db15107066064e9d7378e45cecb00124f57ff30ea6d949",
      "rows": [
        {
          "name": "Supply input voltage (absolute max)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Collector voltage (absolute max)",
          "symbol": "VC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Oscillator charging current (absolute max)",
          "symbol": "IOSC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 10,
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        },
        {
          "name": "Output current (absolute max)",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Reference output current (absolute max)",
          "symbol": "IR",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Current flowing into CT pin (absolute max)",
          "symbol": "IT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 10,
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        },
        {
          "name": "Logic input voltage (absolute max)",
          "symbol": "VL",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Analog input voltage (absolute max)",
          "symbol": "VA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Total power dissipation (absolute max)",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature (absolute max)",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -45,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature (absolute max)",
          "symbol": "Tstr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature (absolute max)",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "T=10S",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "Vcc",
          "kind": "electrical",
          "unit": "V",
          "min": 8,
          "typ": 15,
          "max": 35,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Static current",
          "symbol": "Icc",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 14,
          "max": 20,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": 5.1,
          "max": 5.2,
          "conditions": "VCC=15V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 20,
          "conditions": "VCC=8 to 35V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 50,
          "conditions": "IL=0 to 20mA",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Reference temperature drift",
          "symbol": "ΔVREF/ΔT",
          "kind": "temperature_coefficient",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 50,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Total output offset (line, load and temperature)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 4.95,
          "typ": null,
          "max": 5.25,
          "conditions": "Line, Load And Temprature",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit output current",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 50,
          "max": 80,
          "conditions": "VREF=0",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Initial frequency accuracy",
          "symbol": "Δf",
          "kind": "tolerance",
          "unit": "%",
          "min": -6,
          "typ": 2,
          "max": 6,
          "conditions": "VCC=15V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Frequency voltage rejection",
          "symbol": "Δf/ΔVCC",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": 1,
          "max": 2,
          "conditions": "VCC=8 to 35V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Frequency temperature drift",
          "symbol": "Δf/ΔT",
          "kind": "tolerance",
          "unit": "%",
          "min": -6,
          "typ": 3,
          "max": 6,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Minimum frequency",
          "symbol": "fMIN",
          "kind": "electrical",
          "unit": "Hz",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "RT=200KΩ CT=0.1uF",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Maximum frequency",
          "symbol": "fMAX",
          "kind": "electrical",
          "unit": "KHz",
          "min": 400,
          "typ": null,
          "max": null,
          "conditions": "RT=2KΩ CT=470pF",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Mirror current",
          "symbol": "Imirror",
          "kind": "electrical",
          "unit": "mA",
          "min": 1.7,
          "typ": 2,
          "max": 2.2,
          "conditions": "IRT=2mA",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Clock amplitude",
          "symbol": "OSCAMP",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": 3.5,
          "max": null,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Clock width",
          "symbol": "OSCWIDTH",
          "kind": "timing",
          "unit": "uS",
          "min": 0.3,
          "typ": 0.5,
          "max": 1,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Sync voltage threshold",
          "symbol": "VSYNCTH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 2,
          "max": 2.8,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Sync input current",
          "symbol": "ISYNC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": 2.5,
          "conditions": "Sync voltage=3.5V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier input offset voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 2,
          "max": 10,
          "conditions": "VCC=15V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier input bias current",
          "symbol": "Ib",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1,
          "max": 10,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier input offset current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Open-loop gain",
          "symbol": "AVOL",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 75,
          "max": null,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier output low level",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": 0.5,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Error amplifier output high level",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.8,
          "typ": 5.6,
          "max": null,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Common-mode rejection ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 75,
          "max": null,
          "conditions": "VCM=1.5V to 5.2V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 50,
          "typ": 60,
          "max": null,
          "conditions": "VCC=8 to 35V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Minimum duty cycle",
          "symbol": "Dmin",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0,
          "conditions": "VCOMP=0V, VSD=0V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Maximum duty cycle",
          "symbol": "Dmax",
          "kind": "electrical",
          "unit": "%",
          "min": 45,
          "typ": 49,
          "max": null,
          "conditions": "VCOMP=5V, VSD=0V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Input threshold voltage 1",
          "symbol": "Vth1",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": 0.9,
          "max": null,
          "conditions": "0% duty cycle",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Input threshold voltage 2",
          "symbol": "Vth2",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "49% duty cycle",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "PWM comparator input bias current",
          "symbol": "IIB",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.05,
          "max": 1,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Soft-start timing capacitor charge current",
          "symbol": "ISST",
          "kind": "electrical",
          "unit": "uA",
          "min": 25,
          "typ": 50,
          "max": 80,
          "conditions": "VSD=0V, VSST=0V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Soft-start low level",
          "symbol": "VOL(SST)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": 0.7,
          "conditions": "VSD=2.5V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Shutdown pin threshold voltage",
          "symbol": "VTH(SD)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": 1.3,
          "max": 1.7,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Shutdown pin input current",
          "symbol": "IN(SD)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.3,
          "max": 1,
          "conditions": "VSD=2.5V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Shutdown delay time",
          "symbol": "VSD(Delay)",
          "kind": "timing",
          "unit": "uS",
          "min": null,
          "typ": 0.2,
          "max": 0.5,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Output low level I",
          "symbol": "VOL I",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.1,
          "max": 0.4,
          "conditions": "ISINK=20mA",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Output low level II",
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