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Ray Set visibility: public 4f50653 8d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ncp1566mntxg",
  "title": "NCP1566MNTXG",
  "brief": "onsemi AC-DC Controllers And Regulators, QFN-24-EP(4x4). 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)",
    "ncp1566mntxg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "NCP1566MNTXG",
    "manufacturer": "onsemi",
    "package": "QFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913644977864704",
    "parts": {
      "symbol": "ncp1566mntxg.kicad_sym",
      "footprint": "ncp1566mntxg.kicad_mod",
      "model_3d": "ncp1566mntxg-hero.glb",
      "model_3d_plain": "ncp1566mntxg-etched.glb",
      "model_3d_step": "ncp1566mntxg-etched.step",
      "model_3d_step_plain": "ncp1566mntxg.step",
      "lbr": "ncp1566mntxg.lbr"
    },
    "distributor_links": {
      "lcsc": "C603604",
      "digikey": "488-NCP1566MNTXGTR-ND",
      "mouser": "863-NCP1566MNTXG"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T05:59:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "488-NCP1566MNTXGTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-NCP1566MNTXG",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RAMP",
        "type": "passive",
        "description": "PWM modulator ramp: in voltage mode an external R-C from Vin sets the feedforward ramp slope, and in current mode the RC resistor connects to REF for ramp compensation."
      },
      {
        "number": "2",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start pin charged by a 20 µA current source through an external capacitor, limiting duty during startup, with steady-state SS voltage of about 4.5 V and capacitor discharge on a fault."
      },
      {
        "number": "3",
        "name": "DLMT",
        "type": "input",
        "description": "A resistor between this pin and AGND sets the maximum duty ratio; the pin is rated −0.3 V to 7 V with 2 mA maximum input current."
      },
      {
        "number": "4",
        "name": "DT",
        "type": "input",
        "description": "An external resistor between this pin and AGND sets the overlap time delay between OUTM and OUTA."
      },
      {
        "number": "5",
        "name": "RT",
        "type": "input",
        "description": "The total external resistance between RT and AGND sets the internal oscillator frequency, with a maximum oscillator frequency of 1 MHz."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog circuit ground reference for control and timing components, which should be tied to PGND at the return of the power stage."
      },
      {
        "number": "7",
        "name": "COMP",
        "type": "input",
        "description": "Input to the PWM: an optocoupler between REF and COMP sources current, giving maximum duty at zero current and zero duty once the source current exceeds 850 µA; the pin is rated −0.3 V to 5.5 V and 1 mA maximum."
      },
      {
        "number": "8",
        "name": "RES",
        "type": "passive",
        "description": "Restart timing pin: a capacitor to AGND sets the shutdown delay and hiccup restart delay, with a typical restart threshold of 1 V and peak of 4 V, and 32 charge/discharge cycles before restart."
      },
      {
        "number": "9",
        "name": "OVP",
        "type": "input",
        "description": "When biased beyond 1.25 V, all pulses stop immediately and the controller resumes operation after 32 VRES charge/discharge cycles."
      },
      {
        "number": "10",
        "name": "CS",
        "type": "input",
        "description": "Current sense input for current-mode control, adaptive dead time, cycle-by-cycle current limiting (typically 0.45 V) and short-circuit protection (typically 0.7 V over two consecutive clock pulses); the pin is rated −0.3 V to 7 V."
      },
      {
        "number": "11",
        "name": "REF",
        "type": "power_out",
        "description": "Precision 5 V reference with a maximum output current of 12 mA, which must be bypassed with a 0.1 µF to 0.47 µF capacitor."
      },
      {
        "number": "12",
        "name": "OTP",
        "type": "input",
        "description": "Over-temperature protection input connected to a voltage divider containing an NTC thermistor; the pin is rated −0.3 V to 7 V."
      },
      {
        "number": "13",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input with an external energy-storage capacitor, rated 6.5 V to 20 V, where the startup current source is disabled once VCC reaches VCC(on) typically 9.5 V and the absolute maximum is 20 V."
      },
      {
        "number": "14",
        "name": "OUTM",
        "type": "output",
        "description": "Main switch gate drive that can source 2 A and sink 3 A."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the OUTM and OUTA gate drivers, to be tied to the power stage return with a short loop."
      },
      {
        "number": "16",
        "name": "OUTA",
        "type": "output",
        "description": "Active clamp switch gate drive with adjustable leading and trailing edge overlap delay against OUTM, which can source 2 A and sink 1 A."
      },
      {
        "number": "17",
        "name": "FLT/SD",
        "type": "bidirectional",
        "description": "Dual-function fault report and shutdown pin, implemented as an open-collector output with a 10 kΩ internal pull-up to REF."
      },
      {
        "number": "18",
        "name": "REFA",
        "type": "power_out",
        "description": "Internally connected to REF, so it carries the 5 V reference internally and is not a separate reference source."
      },
      {
        "number": "19",
        "name": "UVLO",
        "type": "input",
        "description": "Input undervoltage detector scaled by a resistor divider: the controller enters standby above 0.4 V, is enabled above 1.25 V, and has 20 µA internal hysteresis pull-down that is disabled once enabled."
      },
      {
        "number": "20",
        "name": "SYNC",
        "type": "bidirectional",
        "description": "Bi-directional pin used to synchronize this controller or to synchronize another controller driven by this pin."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, present for creepage distance."
      },
      {
        "number": "22",
        "name": "VIN",
        "type": "power_in",
        "description": "High-voltage startup circuit input connected to the input line, with an operating range of 13 V to 120 V, a minimum charge current of 40 mA, and a continuous input voltage rating of −0.3 V to 120 V."
      },
      {
        "number": "23",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, present for creepage distance."
      },
      {
        "number": "24",
        "name": "VSCLAMP",
        "type": "input",
        "description": "Volt-second clamp: an external R-C divider from the input line generates a ramp compared to VSLIMIT (typically 1.5 V), terminating the OUTM pulse once exceeded; the pin is rated −0.3 V to 7 V and 0.5 mA maximum input current."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 pin table covers pins 1 to 24 only. The exposed thermal pad of the QFN-24 package is s; Pin 18 (REFA) is described only as internally connected to REF. Its type is set to power_out on that; Pin types for analog sense and comparator inputs (RAMP, SS, RES, RT, DT, DLMT, VSCLAMP, OTP, OVP, CS",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0666,
        "at": "2026-10-19T05:59:01"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913644977864704",
        "pages": 38,
        "sha256": "7e90dffb7a03ef59",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ncp1566mntxg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ncp1566mntxg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ad20537ac0ef018df6803e2baa9e93ff222633928c30543914723332c7ab663d",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "QFN-24-EP(4x4)",
      "Category": "Power Management (PMIC)",
      "Pins": "25"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7e90dffb7a03ef590896c063d76372164c236c73f2bcccc4f928f63c416ba2f4",
      "rows": [
        {
          "name": "Supply Voltage Upper Regulation Level",
          "symbol": "VCC(on)",
          "kind": "electrical",
          "unit": "V",
          "min": 9.1,
          "typ": 9.5,
          "max": 9.9,
          "conditions": "VCC increasing",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Lower Regulation While Disabled",
          "symbol": "VCC(off1)",
          "kind": "electrical",
          "unit": "V",
          "min": 9,
          "typ": 9.4,
          "max": 9.8,
          "conditions": "VCC decreasing",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Lower Regulation While Enabled",
          "symbol": "VCC(off2)",
          "kind": "electrical",
          "unit": "V",
          "min": 7.3,
          "typ": 7.5,
          "max": 7.7,
          "conditions": "VCC decreasing",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Minimum Operating Voltage",
          "symbol": "VCC(MIN)",
          "kind": "electrical",
          "unit": "V",
          "min": 6.2,
          "typ": 6.5,
          "max": 6.8,
          "conditions": "VCC decreasing",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Reset Voltage",
          "symbol": "VCC(reset)",
          "kind": "electrical",
          "unit": "V",
          "min": 6.1,
          "typ": 6.4,
          "max": 6.7,
          "conditions": "VCC decreasing",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Startup Current",
          "symbol": "Istart",
          "kind": "electrical",
          "unit": "mA",
          "min": 40,
          "typ": 55,
          "max": null,
          "conditions": "VCC = VCC(on) – 0.2 V, Vin = 48 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Supply Current, Disabled mode",
          "symbol": "ICC1",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "UVLO below 0.4 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Supply Current, Standby",
          "symbol": "ICC2",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VCC = 10 V, VUVLO = 1 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Supply Current, No Switching",
          "symbol": "ICC3",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VCC = 10 V, ICOMP = 850 μA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Supply Current, Operating",
          "symbol": "ICC4",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "f = 200 kHz, COUTM = COUTA = open",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 4.9,
          "typ": 5,
          "max": 5.1,
          "conditions": "IREF = 0 mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Source Current",
          "symbol": "IREF(MAX)",
          "kind": "electrical",
          "unit": "mA",
          "min": 12,
          "typ": null,
          "max": null,
          "conditions": "VREF = 4.75 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Standby Decreasing",
          "symbol": "VSTBY",
          "kind": "electrical",
          "unit": "V",
          "min": 0.2,
          "typ": 0.3,
          "max": 0.4,
          "conditions": "VUVLO decreasing",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Enable Threshold",
          "symbol": "Venable",
          "kind": "electrical",
          "unit": "V",
          "min": 1.23,
          "typ": 1.25,
          "max": 1.27,
          "conditions": "VUVLO increasing",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Pull-Down Current in Standby Mode",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "μA",
          "min": 18,
          "typ": 20,
          "max": 22,
          "conditions": "VUVLO = Venable – 0.1 V; VSHDN < VUVLO < Venable",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Main Gate Current Capability, Source",
          "symbol": "IOUTM(SRC)",
          "kind": "electrical",
          "unit": "A",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VOUTM = 4 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Main Gate Current Capability, Sink",
          "symbol": "IOUTM(SNK)",
          "kind": "electrical",
          "unit": "A",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "VOUTM = 4 V, VCC = 7.5 V, ICOMP = 850 μA",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Active Clamp Gate Current Capability, Source",
          "symbol": "IOUTA(SRC)",
          "kind": "electrical",
          "unit": "A",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VOUTA = 4 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Active Clamp Gate Current Capability, Sink",
          "symbol": "IOUTA(SNK)",
          "kind": "electrical",
          "unit": "A",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "VOUTA = 4 V, VCC = 7.5 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Average Current Limit Threshold",
          "symbol": "VILIM(ave)",
          "kind": "electrical",
          "unit": "mV",
          "min": 288,
          "typ": 300,
          "max": 312,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Cycle by Cycle Current Limit Threshold",
          "symbol": "VILIM",
          "kind": "electrical",
          "unit": "mV",
          "min": 432,
          "typ": 450,
          "max": 468,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Short Circuit Current Limit Threshold",
          "symbol": "VILIM(SC)",
          "kind": "electrical",
          "unit": "mV",
          "min": 679,
          "typ": 700,
          "max": 721,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Current Sourced by CS high line Over Power Protection current",
          "symbol": "CSOVPH",
          "kind": "electrical",
          "unit": "μA",
          "min": 90,
          "typ": 100,
          "max": 110,
          "conditions": "VUVLO = 2.8 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Overtemperature Detection Threshold",
          "symbol": "VOTP(TH)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.23,
          "typ": 1.25,
          "max": 1.27,
          "conditions": "VOTP increasing",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Overvoltage Detection Threshold",
          "symbol": "VOVP(TH)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.23,
          "typ": 1.25,
          "max": 1.27,
          "conditions": "VOVP increasing",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency (set 1)",
          "symbol": "fOSC1",
          "kind": "electrical",
          "unit": "kHz",
          "min": 186,
          "typ": 200,
          "max": 214,
          "conditions": "tD ≈ 100 ns, RT = 42.2 kΩ, RDT = 69.8 kΩ, RDLMT = 47.5 kΩ",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency (set 2)",
          "symbol": "fOSC2",
          "kind": "electrical",
          "unit": "kHz",
          "min": 558,
          "typ": 600,
          "max": 642,
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