FAN6921MRMY

{
  "slug": "fan6921mrmy",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi AC-DC Controllers And Regulators, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "fan6921mrmy",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fan6921mrmy.kicad_sym",
    "fan6921mrmy.kicad_mod",
    "fan6921mrmy.glb",
    "fan6921mrmy.step",
    "fan6921mrmy.lbr",
    "docs/hero.png",
    "docs/fan6921mrmy-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fan6921mrmy-hero.glb",
    "fan6921mrmy-hero.overlay.json",
    "fan6921mrmy-etched.glb"
  ],
  "component": {
    "mpn": "FAN6921MRMY",
    "manufacturer": "onsemi",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586197969024114688",
    "parts": {
      "symbol": "fan6921mrmy.kicad_sym",
      "footprint": "fan6921mrmy.kicad_mod",
      "model_3d": "fan6921mrmy-hero.glb",
      "model_3d_plain": "fan6921mrmy-etched.glb",
      "model_3d_step": "fan6921mrmy-etched.step",
      "model_3d_step_plain": "fan6921mrmy.step",
      "lbr": "fan6921mrmy.lbr"
    },
    "distributor_links": {
      "lcsc": "C124450",
      "digikey": "2832-FAN6921MRMYTR-ND",
      "mouser": "512-FAN6921MRMY"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T04:54:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2832-FAN6921MRMYTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "512-FAN6921MRMY",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RANGE",
        "type": "passive",
        "description": "RANGE pin impedance changes with the VIN pin voltage: high impedance when VIN is below its threshold and low impedance when VIN is high."
      },
      {
        "number": "2",
        "name": "COMP",
        "type": "output",
        "description": "Transconductance error-amplifier output for PFC voltage feedback, with a simple compensation circuit connected between this pin and GND."
      },
      {
        "number": "3",
        "name": "INV",
        "type": "input",
        "description": "Inverting input of the PFC error amplifier, receiving the PFC voltage through a divider and providing PFC output over- and under-voltage protection."
      },
      {
        "number": "4",
        "name": "CSPFC",
        "type": "input",
        "description": "PFC over-current sense input that turns off the PFC switch when the sensed voltage reaches the internal 0.82 V typical threshold, giving cycle-by-cycle current limiting."
      },
      {
        "number": "5",
        "name": "CSPWM",
        "type": "input",
        "description": "PWM current-sense input for cycle-by-cycle current limiting, current-mode control and high/low line over-power compensation, fed through a resistor in the PWM switch current path."
      },
      {
        "number": "6",
        "name": "OPFC",
        "type": "output",
        "description": "Totem-pole driver output for the external PFC power MOSFET, with a clamped gate output voltage of 15.5 V."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin with startup and turn-off thresholds of 18 V and 7.5 V, startup current below 30 µA and operating current below 10 mA."
      },
      {
        "number": "8",
        "name": "OPWM",
        "type": "output",
        "description": "Totem-pole driver output for the external PWM power MOSFET, with a clamped gate output voltage of 17.5 V."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground and signal ground reference for the controller; all voltages are referenced to this pin."
      },
      {
        "number": "10",
        "name": "DET",
        "type": "input",
        "description": "Auxiliary-winding divider input used for over-power offset, valley detection, and output OVP, which latches the controller when the flat voltage exceeds 2.5 V."
      },
      {
        "number": "11",
        "name": "FB",
        "type": "input",
        "description": "Feedback input from the opto-coupler with about 5 kΩ input impedance; FB above about 4.2 V for more than 50 ms activates open-loop, overload and output-short protection."
      },
      {
        "number": "12",
        "name": "RT",
        "type": "input",
        "description": "Adjustable over-temperature and external latch-trigger input, with a constant current flowing out of the pin; latch protection activates when RT falls below 0.8 V typical."
      },
      {
        "number": "13",
        "name": "VIN",
        "type": "power_in",
        "description": "Line-voltage sense input, received through a voltage divider, for brown-in/out protection and for controlling the RANGE pin."
      },
      {
        "number": "14",
        "name": "ZCD",
        "type": "input",
        "description": "Zero-current detection input from the PFC inductor auxiliary winding; pulling it below 0.2 V typical disables PFC switching."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "16",
        "name": "HV",
        "type": "power_in",
        "description": "High-voltage startup pin tied to the AC line through a resistor (100 kΩ typical) to charge the VDD capacitor; absolute maximum rating is 500 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: Datasheet describes RANGE only by its changing impedance; I classed it as passive, which is an infer; RT sources a constant current and has a comparator threshold; classed as input by inference, the dat; HV is a high-voltage startup input drawn from the AC line; classed as power_in by inference."
        ],
        "pages_sent": 9,
        "cost_usd": 0.053,
        "at": "2026-10-18T04:50:58"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586197969024114688",
        "pages": 25,
        "sha256": "6ac9b44f496c1530",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "fan6921mrmy.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fan6921mrmy-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7c404d902b469d64080cd4b975f4a9d1c558bbf53baf94a52c53280f2d964b1e",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}