LD7792NGS1

{
  "slug": "ld7792ngs1",
  "version": "0.1.0",
  "type": "component",
  "description": "Leadtrend Tech AC-DC Controllers & Regulators, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "ld7792ngs1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "README.md",
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    "ld7792ngs1.glb",
    "ld7792ngs1.step",
    "ld7792ngs1.lbr",
    "docs/hero.png",
    "docs/ld7792ngs1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ld7792ngs1-hero.glb",
    "ld7792ngs1-hero.overlay.json",
    "ld7792ngs1-etched.glb"
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  "component": {
    "mpn": "LD7792NGS1",
    "manufacturer": "Leadtrend Tech",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Power Supply Chip",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/fd51138057cef4105e25c6b5de3a7336.pdf",
    "parts": {
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      "footprint": "ld7792ngs1.kicad_mod",
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      "model_3d_plain": "ld7792ngs1-etched.glb",
      "model_3d_step": "ld7792ngs1-etched.step",
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      "lbr": "ld7792ngs1.lbr"
    },
    "distributor_links": {
      "lcsc": "C5124415"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:32:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "3",
        "name": "FBCOMP",
        "type": "input",
        "description": "Voltage feedback pin for the Flyback stage; connect a photo-coupler to close the control loop and achieve regulation."
      },
      {
        "number": "4",
        "name": "FBAUX",
        "type": "input",
        "description": "Zero current detection and over voltage protection input for the Flyback unit."
      },
      {
        "number": "5",
        "name": "OTP",
        "type": "input",
        "description": "External OTP protection pin."
      },
      {
        "number": "6",
        "name": "PFCCOMP",
        "type": "passive",
        "description": "Output of the error amplifier for PFC voltage loop compensation."
      },
      {
        "number": "7",
        "name": "PFCONOFF",
        "type": "input",
        "description": "Threshold voltage setting of FBCOMP for PFC ON/OFF loading control."
      },
      {
        "number": "8",
        "name": "PFCAUX",
        "type": "input",
        "description": "Zero current detection input for the PFC unit."
      },
      {
        "number": "9",
        "name": "VOSENSE",
        "type": "input",
        "description": "Voltage sense for PFC output, regulation voltage is 2.5V."
      },
      {
        "number": "10",
        "name": "FBSENSE",
        "type": "input",
        "description": "Current sense pin; connect it to sense the Flyback MOSFET current."
      },
      {
        "number": "11",
        "name": "PFCSENSE",
        "type": "input",
        "description": "Current sense pin; connect it to sense the PFC MOSFET current."
      },
      {
        "number": "12",
        "name": "PFCDRIVER",
        "type": "output",
        "description": "Gate drive output to drive the external MOSFET for the PFC unit."
      },
      {
        "number": "13",
        "name": "FBDRIVER",
        "type": "output",
        "description": "Gate drive output to drive the external MOSFET for the Flyback unit."
      },
      {
        "number": "14",
        "name": "CT",
        "type": "passive",
        "description": "Timer setting for Open Loop Protection, PFC light-load turn-off and Flyback soft-start."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "Unconnected pin."
      },
      {
        "number": "16",
        "name": "HV",
        "type": "input",
        "description": "Connect to Bridge + or Line/Neutral of AC/DC mains through a resistor for startup current; turned off when VCC reaches UVLO(on), and detects AC peak voltage for brown in/out and high/low line detection."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 5,
        "cost_usd": 0.0558,
        "at": "2026-10-22T21:31:50"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/fd51138057cef4105e25c6b5de3a7336.pdf",
        "pages": 29,
        "sha256": "5a1cbbd6cc4d0484",
        "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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    "models_3d": [
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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  }
}