CAT3224HV3-GT2

{
  "slug": "cat3224hv3-gt2",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi LED Drivers, TQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "display modules - led drivers - display drivers",
    "cat3224hv3-gt2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cat3224hv3-gt2.kicad_sym",
    "cat3224hv3-gt2.kicad_mod",
    "cat3224hv3-gt2.glb",
    "cat3224hv3-gt2.step",
    "cat3224hv3-gt2.lbr",
    "docs/hero.png",
    "docs/cat3224hv3-gt2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cat3224hv3-gt2-hero.glb",
    "cat3224hv3-gt2-hero.overlay.json",
    "cat3224hv3-gt2-etched.glb"
  ],
  "component": {
    "mpn": "CAT3224HV3-GT2",
    "manufacturer": "onsemi",
    "package": "TQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Display Modules / LED Drivers / Display Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/cat3224hv3-gt2-d.pdf",
    "parts": {
      "symbol": "cat3224hv3-gt2.kicad_sym",
      "footprint": "cat3224hv3-gt2.kicad_mod",
      "model_3d": "cat3224hv3-gt2-hero.glb",
      "model_3d_plain": "cat3224hv3-gt2-etched.glb",
      "model_3d_step": "cat3224hv3-gt2-etched.step",
      "model_3d_step_plain": "cat3224hv3-gt2.step",
      "lbr": "cat3224hv3-gt2.lbr"
    },
    "distributor_links": {
      "lcsc": "C900834"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T21:13:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 800 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RF",
        "type": "passive",
        "description": "Flash current setting resistor terminal; voltage regulated to 0.6 V in flash mode (FLASH high), with 3.5 mA typical current limit."
      },
      {
        "number": "2",
        "name": "BAL",
        "type": "bidirectional",
        "description": "Active supercapacitor balance control connected to the center-point between the two supercapacitor cells, forced to half of the CAP voltage."
      },
      {
        "number": "3",
        "name": "CAP",
        "type": "bidirectional",
        "description": "Supercapacitor positive connection; current sinks or sources from this pin to the capacitor depending on the mode of operation."
      },
      {
        "number": "4",
        "name": "CAP",
        "type": "bidirectional",
        "description": "Supercapacitor positive connection; current sinks or sources from this pin to the capacitor depending on the mode of operation."
      },
      {
        "number": "5",
        "name": "CHRG",
        "type": "input",
        "description": "Charge supercapacitor enable; when high, the 1x/2x charge pump is enabled and charges the supercapacitor (logic high 1.3 V min, low 0.4 V max, 150 k internal pull-down)."
      },
      {
        "number": "6",
        "name": "FLASH",
        "type": "input",
        "description": "Flash enable; when high the LED current sources are enabled in flash mode, and they are disabled automatically if FLASH stays high longer than 300 ms typical."
      },
      {
        "number": "7",
        "name": "TORCH",
        "type": "input",
        "description": "Torch enable; when high the LED current sources are enabled in torch mode."
      },
      {
        "number": "8",
        "name": "FLAG",
        "type": "output",
        "description": "Flash ready flag, active-low open-drain output that pulls low when the supercapacitor is fully charged and needs an external pull-up to a positive rail."
      },
      {
        "number": "9",
        "name": "LEDB",
        "type": "passive",
        "description": "LED B channel anode (+) connection to an internal current source, independently regulated and high-impedance in shutdown or when FLASH and TORCH are low."
      },
      {
        "number": "10",
        "name": "LEDA",
        "type": "passive",
        "description": "LED A channel anode (+) connection to an internal current source, independently regulated and high-impedance in shutdown or when FLASH and TORCH are low."
      },
      {
        "number": "11",
        "name": "RC",
        "type": "passive",
        "description": "Charge current setting resistor terminal setting the VIN current limit in charge mode; regulated to 0.6 V when CHRG is high."
      },
      {
        "number": "12",
        "name": "RT",
        "type": "passive",
        "description": "Torch current setting resistor terminal; voltage regulated to 0.6 V in torch mode (TORCH high)."
      },
      {
        "number": "13",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive supply connection to the battery for the device and supercapacitor charger (2.0 to 5.5 V recommended), requiring a 1 µF ceramic bypass capacitor to ground."
      },
      {
        "number": "14",
        "name": "CP",
        "type": "passive",
        "description": "Positive terminal of the ceramic bucket capacitor used in 2x charge pump mode."
      },
      {
        "number": "15",
        "name": "CN",
        "type": "passive",
        "description": "Negative terminal of the ceramic bucket capacitor used in 2x charge pump mode."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference for the charge pump; must be connected to the PCB ground plane."
      },
      {
        "number": "17",
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types for passive resistor-setting pins (RF, RT, RC), LEDA/LEDB, CP/CN, BAL and CAP were inferre; The exposed pad is listed as 'TAB' rather than a number; it is described as connected to GND."
        ],
        "pages_sent": 14,
        "cost_usd": 0.1245,
        "at": "2026-10-23T21:12:25"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/cat3224hv3-gt2-d.pdf",
        "pages": 14,
        "sha256": "cc1c8fb045a0891c",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cat3224hv3-gt2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cat3224hv3-gt2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3a7a4e2cba391851843c8f2b4b709bd43130889d6c918af98fd4d68832d20f9b",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}