KA3525A

{
  "schema_version": 1,
  "type": "component",
  "slug": "ka3525a",
  "title": "KA3525A",
  "brief": "Minos Supervisor and Reset ICs, DIP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "ka3525a"
  ],
  "component": {
    "mpn": "KA3525A",
    "manufacturer": "Minos",
    "package": "DIP-16",
    "pin_count": 16,
    "category": "PMIC",
    "subcategory": "Supervisor and Reset ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/dc0562bca47f76cbbd7d9908f9842698.pdf",
    "parts": {
      "symbol": "ka3525a.kicad_sym",
      "footprint": "ka3525a.kicad_mod",
      "model_3d": "ka3525a-etched.glb",
      "model_3d_plain": "ka3525a.glb",
      "model_3d_step": "ka3525a-etched.step",
      "model_3d_step_plain": "ka3525a.step",
      "lbr": "ka3525a.lbr"
    },
    "distributor_links": {
      "lcsc": "C33129609"
    },
    "pins": [
      {
        "number": "1",
        "name": "Inv. Input",
        "type": "input",
        "description": "Error amplifier inverting input. Compared against the non-inverting input (pin 2) to generate the PWM control voltage. Common-mode range approximately +1.5 V to +5.2 V."
      },
      {
        "number": "2",
        "name": "Noninv. Input",
        "type": "input",
        "description": "Error amplifier non-inverting input. Typically tied to a resistor divider from Vref (pin 16) to set the regulation setpoint."
      },
      {
        "number": "3",
        "name": "Sync",
        "type": "input",
        "description": "Oscillator sync input. Allows an external clock to synchronize the internal oscillator. Sync threshold typically 2.0 V (1.2 V min, 2.8 V max), sync input current ~1.0 mA at 3.5 V."
      },
      {
        "number": "4",
        "name": "OSC. Output",
        "type": "output",
        "description": "Oscillator output. Provides the internal system clock (typical 3.0-3.5 V amplitude, 0.3-1.0 μs pulse width) useful for synchronizing additional KA3525A devices or external logic."
      },
      {
        "number": "5",
        "name": "CT",
        "type": "passive",
        "description": "Timing capacitor connection. Together with RT (pin 6) sets the oscillator frequency. Range 0.001 μF to 0.2 μF for 100 Hz to 400 kHz operation."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "passive",
        "description": "Timing resistor connection to ground. Sets the oscillator charging current together with CT. Range 2.0 kΩ to 150 kΩ."
      },
      {
        "number": "7",
        "name": "Discharge",
        "type": "passive",
        "description": "Discharge / dead-time adjust pin. An external resistor from CT (pin 5) to this pin sets the dead-time between the two outputs. Dead-time resistor RD range 0 to 500 Ω."
      },
      {
        "number": "8",
        "name": "Soft-Start",
        "type": "passive",
        "description": "Soft-start capacitor. An internal ~50 μA current source (Vshutdown=0 V, typ 50 μA, min 25 μA, max 80 μA) charges an external capacitor to gradually increase the PWM duty cycle from zero at power-up."
      },
      {
        "number": "9",
        "name": "Compensation",
        "type": "output",
        "description": "Error amplifier output and PWM comparator input. External RC compensation network is applied here to shape the loop response. PWM input threshold ranges from ~0.9 V (zero duty) to ~3.3 V (max duty)."
      },
      {
        "number": "10",
        "name": "Shut-down",
        "type": "input",
        "description": "Shutdown / standby input. Pulling this pin high inhibits the outputs and discharges the soft-start capacitor; at Vshutdown=2.5 V input current is ~0.4 mA."
      },
      {
        "number": "11",
        "name": "Output A",
        "type": "output",
        "description": "Totem-pole output A. Alternates with Output B (pin 14) to drive an external power stage. ±100 mA continuous, ±400 mA peak. Max duty cycle per output ~49%."
      },
      {
        "number": "12",
        "name": "Ground",
        "type": "power_in",
        "description": "Signal and power ground return for the device."
      },
      {
        "number": "13",
        "name": "Vc",
        "type": "power_in",
        "description": "Output stage collector supply. Powers the totem-pole output drivers separately from VCC. Recommended 4.5 V to 35 V, absolute max +40 V."
      },
      {
        "number": "14",
        "name": "Output B",
        "type": "output",
        "description": "Totem-pole output B. Alternates with Output A (pin 11) at half the oscillator frequency. ±100 mA continuous, ±400 mA peak. Rise time typ 100 ns, fall time typ 50 ns into 1 nF load."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Main IC supply voltage. Recommended 8.0 V to 35 V (absolute max +40 V). Undervoltage lockout trips at approximately 7.0 V typical. ICC typ 14 mA."
      },
      {
        "number": "16",
        "name": "Vref",
        "type": "power_out",
        "description": "5.1 V ±1% precision reference output. Sourcing up to 20 mA (50 mA absolute max). Typically bypassed with 0.1 μF and used to bias the error-amplifier divider and external timing network."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/dc0562bca47f76cbbd7d9908f9842698.pdf",
        "pages": 7,
        "sha256": "4098c17ca88f179c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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    "pin1": {
      "pad": "1",
      "at": [
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      ],
      "corner": "bottom-right",
      "source": "fab-chamfer",
      "derived_from": "DIP-16_W7.62mm@sha256:d9f5f5a3dbebef05",
      "mark": "synthesised"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Minos",
      "Package": "DIP-16",
      "Category": "PMIC",
      "Pins": "16"
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "KA3525A (Minos) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "visibility": {
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  "updated_at": "2026-09-24T23:19:05.913Z"
}