NCP1562ADR2G

{
  "slug": "ncp1562adr2g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi DC-DC Controllers, SO-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "power management ics",
    "ncp1562adr2g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "ncp1562adr2g.step",
    "ncp1562adr2g.lbr",
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    "docs/ncp1562adr2g-datasheet.pdf",
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  "component": {
    "mpn": "NCP1562ADR2G",
    "manufacturer": "onsemi",
    "package": "SO-16",
    "pin_count": 16,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Controllers",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/ncp1562a-d.pdf",
    "parts": {
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      "footprint": "ncp1562adr2g.kicad_mod",
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      "lbr": "ncp1562adr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C603602",
      "digikey": "NCP1562ADR2GOSTR-ND",
      "mouser": "863-NCP1562ADR2G"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T00:36:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "NCP1562ADR2GOSTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "863-NCP1562ADR2G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Vin",
        "type": "power_in",
        "description": "Connect the input line voltage directly to this pin to enable the internal startup regulator, with a maximum input voltage of 100 V and a typical charge current of 10 mA."
      },
      {
        "number": "2",
        "name": "UVOV",
        "type": "input",
        "description": "Scaled input supply voltage used for undervoltage detection below 2.0 V and overvoltage detection above 3.0 V, with 100 mV hysteresis on both detectors."
      },
      {
        "number": "3",
        "name": "FF",
        "type": "input",
        "description": "External R-C divider from the input line generates the feedforward ramp that sets the PWM duty cycle for line regulation, and an internal pulldown discharges the capacitor every cycle."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Overcurrent sense input that triggers cycle-by-cycle current limit when the voltage exceeds 0.2 V (0.5 V in the NCP1562B) and includes leading edge blanking."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Control circuit ground that all control and timing components should connect to through the shortest possible loop."
      },
      {
        "number": "6",
        "name": "RTCT",
        "type": "passive",
        "description": "An external RT-CT divider from VREF sets the operating frequency and maximum duty cycle of OUT1 across a sawtooth ramp between 2.0 V and 3.0 V, with a maximum frequency of 1.0 MHz."
      },
      {
        "number": "7",
        "name": "SYNC",
        "type": "bidirectional",
        "description": "Bidirectional frequency synchronization pin that allows two NCP1562 devices to synchronize, with the lower frequency device becoming the slave, and that can also lock to an external signal."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "power_out",
        "description": "Precision 5.0 V reference with a maximum output current of 5.0 mA, which requires a bypass capacitor between 0.047 µF and 1.0 µF."
      },
      {
        "number": "9",
        "name": "VEA",
        "type": "input",
        "description": "Input for the external error amplifier signal, compared to the feedforward ramp after a series diode and resistor offset, with an internal pullup resistor allowing direct connection to an optocoupler."
      },
      {
        "number": "10",
        "name": "SS",
        "type": "passive",
        "description": "A 10 µA current source charges the external soft-start capacitor to limit duty cycle during startup, with steady-state voltage of approximately 3.8 V and a 100 µA discharge on faults."
      },
      {
        "number": "11",
        "name": "tD",
        "type": "passive",
        "description": "An external resistor between this pin and GND sets the overlap time delay between OUT1 and OUT2 transitions."
      },
      {
        "number": "12",
        "name": "CSKIP",
        "type": "passive",
        "description": "The external capacitor on this pin sets the cycle skip fault detection time and the disable time, with the converter entering soft-stop once the capacitor reaches 3.0 V."
      },
      {
        "number": "13",
        "name": "OUT2",
        "type": "output",
        "description": "Secondary PWM output for driving an active clamp/reset switch or synchronous rectifier, with source and sink resistances of 12 Ω (typ.) and a designed handling limit of 1.0 A."
      },
      {
        "number": "14",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground connection for OUT1 and OUT2 that should be tied to the power stage return with a short loop."
      },
      {
        "number": "15",
        "name": "OUT1",
        "type": "output",
        "description": "Main PWM output with source resistance of 4.0 Ω (typ.) and sink resistance of 2.5 Ω (typ.), designed to handle up to 2.5 A."
      },
      {
        "number": "16",
        "name": "VAUX",
        "type": "power_in",
        "description": "Positive supply input connected to an external storage capacitor, where outputs are enabled at approximately 10.3 V and disabled when VAUX falls to 7.0 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 pages supplied do not include a pin-to-package diagram for the SO-16 (case 751B) outli"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0223,
        "at": "2026-10-28T00:35:57"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/ncp1562a-d.pdf",
        "pages": 29,
        "sha256": "cbe87bd5648976e1",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}