NCP1399APDR2G

{
  "schema_version": 1,
  "type": "component",
  "slug": "ncp1399apdr2g",
  "title": "NCP1399APDR2G",
  "brief": "onsemi AC-DC Controllers and Regulators, SOIC-16-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "ncp1399apdr2g"
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  "component": {
    "mpn": "NCP1399APDR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-16-EP",
    "pin_count": 14,
    "category": "PMIC",
    "subcategory": "AC-DC Controllers and Regulators",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/ncp1399ap-d.pdf",
    "parts": {
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      "lbr": "ncp1399apdr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C377543"
    },
    "pins": [
      {
        "number": "1",
        "name": "HV",
        "type": "power_in",
        "description": "High-voltage startup current source input. Connects to the rectified AC line or bulk capacitor (up to 600 V) to implement the internal startup current source and Dynamic Self-Supply (DSS)."
      },
      {
        "number": "3",
        "name": "VBULK/PFCFB",
        "type": "input",
        "description": "Bulk voltage monitoring input. Receives a resistor-divided bulk-voltage sample to implement Brown-Out protection (0 to 5.5 V absolute max)."
      },
      {
        "number": "4",
        "name": "SKIP/REM",
        "type": "input",
        "description": "Skip threshold adjust / Off-mode (remote) control input. A resistor to GND sets the skip-in threshold (NCP1399Ay). Pulled up by external auxiliary source to activate off-mode/standby; pull-down by optocoupler deactivates off-mode (NCP1399By)."
      },
      {
        "number": "5",
        "name": "LLCFB",
        "type": "input",
        "description": "LLC feedback input. Defines operating frequency based on load; controls skip-mode entry under light load and, for NCP1399Ay, activates off-mode operation."
      },
      {
        "number": "6",
        "name": "LLCCS",
        "type": "input",
        "description": "LLC current-sense input. Senses divided resonant-capacitor voltage to perform on-time modulation, out-of-resonance switching protection, over-current protection, and secondary-side short-circuit protection (-5 to +5 V abs max)."
      },
      {
        "number": "7",
        "name": "OTP/OVP",
        "type": "input",
        "description": "Combined over-temperature and over-voltage protection input. A single pin implements both OTP and OVP latch triggers (0 to 5.5 V abs max)."
      },
      {
        "number": "8",
        "name": "PON/OFF",
        "type": "input",
        "description": "PFC turn-off feedback-level adjust. Sets the FB threshold below which the external PFC stage is disabled, enabling load-dependent PFC on/off control."
      },
      {
        "number": "9",
        "name": "PFCMODE",
        "type": "output",
        "description": "PFC mode / external HV switch control output. Provides supply voltage to the PFC front-stage controller and/or enables the VBULK sensing network HV switch."
      },
      {
        "number": "10",
        "name": "VCC",
        "type": "power_in",
        "description": "Controller supply input. Accepts up to 20 V; VCC_ON ~15.8 V (or ~12 V on AL/AM/AR/AS variants), VCC_OFF ~9.5 V UVLO. Operating current 5.4 mA typ at 100 kHz."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground. Common return for adjustment components, sensing networks, and low-side driver output."
      },
      {
        "number": "12",
        "name": "MLOWER",
        "type": "output",
        "description": "Low-side gate driver output. Drives the lower MOSFET of the half-bridge; output swings 0 to VCC (up to ~20 V)."
      },
      {
        "number": "14",
        "name": "MUPPER",
        "type": "output",
        "description": "High-side (floating) gate driver output. Drives the upper MOSFET of the half-bridge, referenced to HB with supply from VBOOT."
      },
      {
        "number": "15",
        "name": "HB",
        "type": "power_in",
        "description": "Half-bridge connection / high-side driver return. Connects to the switching node between the two half-bridge MOSFETs; withstands up to ~600 V and dV/dt up to 50 V/ns."
      },
      {
        "number": "16",
        "name": "VBOOT",
        "type": "power_in",
        "description": "Bootstrap supply pin. Provides the floating VCC for the high-side driver referenced to HB (VBOOT_ON ~9 V, VBOOT_OFF ~8.2 V, up to 620 V absolute)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/ncp1399ap-d.pdf",
        "pages": 45,
        "sha256": "a9c71c608fac5987",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -4.445
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      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",
      "mark": "drawn"
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        "units": "mm",
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        "seat": "z = 0",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-16-EP",
      "Category": "PMIC",
      "Pins": "14"
    }
  },
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "ncp1399apdr2g"
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  "discovery_pitch": "NCP1399APDR2G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "visibility": {
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  "variants": [
    {
      "mpn": "NCP1399APDR2GAADR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2GBADR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2GACDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2GAFDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2GAGDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2GAHDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2GAIDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2GAJDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2GAKDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2GALDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2GAMDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2GANDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2GARDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCP1399APDR2GASDR2G",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T02:55:28.305Z"
}