3525

{
  "slug": "3525",
  "version": "0.1.0",
  "type": "component",
  "description": "IDCHIP DC-DC Converters, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "3525",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "3525.kicad_sym",
    "3525.kicad_mod",
    "3525.glb",
    "3525.step",
    "3525.lbr",
    "docs/hero.png",
    "docs/3525-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "3525-hero.glb",
    "3525-hero.overlay.json",
    "3525-etched.glb"
  ],
  "component": {
    "mpn": "3525",
    "manufacturer": "IDCHIP",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8ce4ae7cc44b8c370e5875951d6d0a18.pdf",
    "parts": {
      "symbol": "3525.kicad_sym",
      "footprint": "3525.kicad_mod",
      "model_3d": "3525-hero.glb",
      "model_3d_plain": "3525-etched.glb",
      "model_3d_step": "3525-etched.step",
      "model_3d_step_plain": "3525.step",
      "lbr": "3525.lbr"
    },
    "distributor_links": {
      "lcsc": "C395463",
      "mouser": "534-3525"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T00:54:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "534-3525",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Inv. Input",
        "type": "input",
        "description": "Inverting input of the error amplifier, whose common-mode range is +1.5 V to +5.2 V."
      },
      {
        "number": "2",
        "name": "Noninv. Input",
        "type": "input",
        "description": "Non-inverting input of the error amplifier, whose common-mode range is +1.5 V to +5.2 V."
      },
      {
        "number": "3",
        "name": "Sync",
        "type": "input",
        "description": "Synchronization input that locks the internal oscillator to an external clock or enables master/slave operation."
      },
      {
        "number": "4",
        "name": "OSC Output",
        "type": "output",
        "description": "Oscillator output that provides the clock signal for synchronizing slave devices."
      },
      {
        "number": "5",
        "name": "CT",
        "type": "passive",
        "description": "Oscillator timing capacitor, specified from 0.001 µF to 0.2 µF."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "passive",
        "description": "Oscillator timing resistor, specified from 2.0 kΩ to 150 kΩ."
      },
      {
        "number": "7",
        "name": "Discharge",
        "type": "passive",
        "description": "Dead-time discharge pin connected to the dead-time resistor RD, which is specified from 0 Ω to 500 Ω."
      },
      {
        "number": "8",
        "name": "Soft-Start",
        "type": "passive",
        "description": "Soft-start pin with a pull-up current source whose capacitor is discharged at about 100 µA during shutdown."
      },
      {
        "number": "9",
        "name": "Compensation",
        "type": "passive",
        "description": "Error amplifier compensation pin with a pull-up current source; a pull-down of up to 100 µA shuts off the outputs."
      },
      {
        "number": "10",
        "name": "Shutdown",
        "type": "input",
        "description": "Shutdown input in which a high level immediately latches the PWM and discharges the soft-start capacitor, and which must not be left floating."
      },
      {
        "number": "11",
        "name": "Output A",
        "type": "output",
        "description": "Output A, a totem-pole driver rated for ±400 mA peak that alternates with Output B."
      },
      {
        "number": "12",
        "name": "Ground",
        "type": "power_in",
        "description": "Ground return for the device."
      },
      {
        "number": "13",
        "name": "VC",
        "type": "power_in",
        "description": "Output stage supply, specified from 4.5 V to 35 V."
      },
      {
        "number": "14",
        "name": "Output B",
        "type": "output",
        "description": "Output B, a totem-pole driver rated for ±400 mA peak that alternates with Output A."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input, specified from 8.0 V to 35 V."
      },
      {
        "number": "16",
        "name": "Vref",
        "type": "power_out",
        "description": "Reference output at 5.1 V ±1.0%, with a load current of 0 mA to 20 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 MPN 3525 is not an exact orderable part number in this datasheet, which lists SG3525AN (plastic ; The printed pin-name list on page 1 is not tied to pin numbers in the text. Pin numbers were assigne",
          "1/16 pins cited to the wrong page (name found elsewhere): ['12:Ground@p1']"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0229,
        "at": "2026-10-28T00:54:01"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8ce4ae7cc44b8c370e5875951d6d0a18.pdf",
        "pages": 7,
        "sha256": "da8d2eb9e542155d",
        "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": "3525.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": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "3525-etched.step",
        "role": "eda",
        "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": "399f782c75591ab48dd01baafc8b0a2fb43f92919477e84dbde7b554ceb75932",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}