main
Ray Set visibility: public aea0f1d 9d ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775
{
  "schema_version": 1,
  "type": "component",
  "slug": "ncp45521imntwg-h",
  "title": "NCP45521IMNTWG-H",
  "brief": "onsemi Power Distribution Switches, DFN-8-EP(2x2). 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)",
    "ncp45521imntwg-h",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "NCP45521IMNTWG-H",
    "manufacturer": "onsemi",
    "package": "DFN-8-EP(2x2)",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Distribution Switches",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588910168629252096",
    "parts": {
      "symbol": "ncp45521imntwg-h.kicad_sym",
      "footprint": "ncp45521imntwg-h.kicad_mod",
      "model_3d": "ncp45521imntwg-h-hero.glb",
      "model_3d_plain": "ncp45521imntwg-h-etched.glb",
      "model_3d_step": "ncp45521imntwg-h-etched.step",
      "model_3d_step_plain": "ncp45521imntwg-h.step",
      "lbr": "ncp45521imntwg-h.lbr"
    },
    "distributor_links": {
      "lcsc": "C223558",
      "digikey": "NCP45521IMNTWG-HOSTR-ND",
      "mouser": "863-NCP45521IMNTWG-H"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:20:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "NCP45521IMNTWG-HOSTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "863-NCP45521IMNTWG-H",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Drain of the internal MOSFET, operating from 0.5 V to 13.5 V; pin 1 must be connected to pin 9."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Active-high digital enable for the MOSFET (NCP45521-H) with an internal pull-down to GND; EN input high level is 2 V minimum and low level is 0.8 V maximum."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage to the controller, specified from 3.0 V to 5.5 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Controller ground."
      },
      {
        "number": "5",
        "name": "BLEED",
        "type": "passive",
        "description": "Load bleed connection that must be tied to VOUT either directly or through a resistor of 1 kΩ or less."
      },
      {
        "number": "6",
        "name": "SR",
        "type": "passive",
        "description": "Slew rate adjustment pin for NCP45521; it may be left floating, and an external capacitor CSR to GND can lower the output slew rate."
      },
      {
        "number": "7",
        "name": "VOUT",
        "type": "power_out",
        "description": "Source of the internal MOSFET, connected to the load."
      },
      {
        "number": "8",
        "name": "VOUT",
        "type": "power_out",
        "description": "Source of the internal MOSFET, connected to the load."
      },
      {
        "number": "9",
        "name": "VIN",
        "type": "power_in",
        "description": "Drain of the internal MOSFET (0.5 V to 13.5 V); must be connected to pin 1."
      }
    ],
    "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: Pin 9 is listed as VIN in Table 1 and the pin configuration, but the datasheet does not explicitly s; The pin-configuration figure shows pin 6 as 'PG or SR' and the ordering table gives pin 6 functional; Pin types are inferred from function (VIN/VOUT as MOSFET drain/source power paths, BLEED and SR as p"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0911,
        "at": "2026-10-19T07:18:04"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588910168629252096",
        "pages": 16,
        "sha256": "4a943f4754df3c79",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ncp45521imntwg-h.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2,
          1.98,
          0.92
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "914cd301aa2efff54a7c18fe40fe21c25b277d6109b6cb10afb266387128ddd0",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ncp45521imntwg-h-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2,
          1.98,
          0.92
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "43b878b50607cc0215b02ee4f5fd60e7013fd44958429c6ca686552aff18572e",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "DFN-8-EP(2x2)",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "appearance": {
      "contacts": {
        "quote": "the VIN and VOUT pins of the ecoSWITCH to copper",
        "page": 11,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "4a943f4754df3c796617b88783bf8e8402be040185b122f1c9b4728955d6b404"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4a943f4754df3c796617b88783bf8e8402be040185b122f1c9b4728955d6b404",
      "rows": [
        {
          "name": "Supply Voltage Range",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Range",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "EN Digital Input Range",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient, Steady State",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "Note 2: FR4, 1 sq-in pad, 1 oz Cu",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient, Steady State",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 72.7,
          "conditions": "Note 3: FR4, minimum recommended pad size, 1 oz Cu",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Case (VIN Paddle)",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 5.3,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous MOSFET Current",
          "symbol": "IMAX",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 10.5,
          "conditions": "TA = 25°C; Notes 2 and 4",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous MOSFET Current",
          "symbol": "IMAX",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 7.8,
          "conditions": "TA = 25°C; Notes 3 and 4",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transient MOSFET Current",
          "symbol": "IMAX_TRANS",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 24,
          "conditions": "for up to 500 s",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "TA = 25°C; Note 2",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.37,
          "conditions": "TA = 25°C; Note 3",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature, Soldering",
          "symbol": "TSLD",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 sec.",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Capability, Human Body Model",
          "symbol": "ESDHBM",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Notes 5 and 6",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Capability, Machine Model",
          "symbol": "ESDMM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Note 5",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Capability, Charged Device Model",
          "symbol": "ESDCDM",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Note 5",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Latch-up Current Immunity",
          "symbol": "LU",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Notes 5 and 6",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.5,
          "typ": null,
          "max": 13.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "OFF to ON Transition Energy Dissipation Limit (See application section)",
          "symbol": "ETRANS",
          "kind": "recommended_operating",
          "unit": "mJ",
          "min": 0,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "On-Resistance",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 9.5,
          "max": 12.7,
          "conditions": "VCC = 3.3 V; VIN = 1.8 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "On-Resistance",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 10.1,
          "max": 13.9,
          "conditions": "VCC = 3.3 V; VIN = 5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "On-Resistance",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 12.8,
          "max": 22.5,
          "conditions": "VCC = 3.3 V; VIN = 12 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Leakage Current (Note 8)",
          "symbol": "ILEAK",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VEN = 0 V; VIN = 13.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Standby Current (Note 9)",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.65,
          "max": 2,
          "conditions": "VEN = 0 V; VCC = 3 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Standby Current (Note 9)",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 3.2,
          "max": 4.5,
          "conditions": "VEN = 0 V; VCC = 5.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Dynamic Current (Note 10)",
          "symbol": "IDYN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 280,
          "max": 400,
          "conditions": "VEN = VCC = 3 V; VIN = 12 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Dynamic Current (Note 10)",
          "symbol": "IDYN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 530,
          "max": 750,
          "conditions": "VEN = VCC = 5.5 V; VIN = 1.8 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Bleed Resistance",
          "symbol": "RBLEED",
          "kind": "electrical",
          "unit": "Ω",
          "min": 86,
          "typ": 115,
          "max": 144,
          "conditions": "VEN = 0 V; VCC = 3 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Bleed Resistance",
          "symbol": "RBLEED",
          "kind": "electrical",
          "unit": "Ω",
          "min": 72,
          "typ": 97,
          "max": 121,
          "conditions": "VEN = 0 V; VCC = 5.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Bleed Pin Leakage Current",
          "symbol": "IBLEED",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 6,
          "max": 10,
          "conditions": "VEN = VCC = 3 V, VIN = 1.8 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Bleed Pin Leakage Current",
          "symbol": "IBLEED",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 60,
          "max": 70,
          "conditions": "VEN = VCC = 3 V, VIN = 12 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Input High Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VCC = 3 V − 5.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Input Low Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCC = 3 V − 5.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Input Leakage Current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 90,
          "max": 500,
          "conditions": "NCP45521−H; VEN = 0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Pull Down Resistance",
          "symbol": "RPD",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 76,
          "typ": 100,
          "max": 124,
          "conditions": "NCP45521−H",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Slew Rate Control Constant (Note 13)",
          "symbol": "KSR",
          "kind": "electrical",
          "unit": "µA",
          "min": 24,
          "typ": 31,
          "max": 38,
          "conditions": "NCP45521; VCC = 3 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN Undervoltage Lockout Threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 0.25,
          "typ": 0.35,
          "max": 0.45,
          "conditions": "VCC = 3 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN Undervoltage Lockout Hysteresis",
          "symbol": "VHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": 20,
          "typ": 50,
          "max": 70,
          "conditions": "VCC = 3 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Short-Circuit Protection Threshold",
          "symbol": "VSC",
          "kind": "electrical",
          "unit": "mV",
          "min": 200,
          "typ": 265,
          "max": 350,
          "conditions": "VCC = 3 V; VIN = 0.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Short-Circuit Protection Threshold",
          "symbol": "VSC",
          "kind": "electrical",
          "unit": "mV",
          "min": 100,
          "typ": 285,
          "max": 500,
          "conditions": "VCC = 3 V; VIN = 13.5 V",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ncp45521imntwg-h"
  ],
  "discovery_pitch": "NCP45521IMNTWG-H (onsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ncp45521imntwg-h.kicad_sym",
    "ncp45521imntwg-h.kicad_mod",
    "ncp45521imntwg-h.glb",
    "ncp45521imntwg-h.step",
    "ncp45521imntwg-h.lbr",
    "docs/hero.png",
    "docs/ncp45521imntwg-h-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ncp45521imntwg-h-hero.glb",
    "ncp45521imntwg-h-hero.overlay.json",
    "ncp45521imntwg-h-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}