CAT3224HV3-GT2

{
  "schema_version": 1,
  "type": "component",
  "slug": "cat3224hv3-gt2",
  "title": "CAT3224HV3-GT2",
  "brief": "onsemi LED Drivers, TQFN-16-EP(3x3). 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",
    "display modules - led drivers - display drivers",
    "cat3224hv3-gt2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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": [
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        "file": "cat3224hv3-gt2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
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        "zmin_mm": 0,
        "centre_offset_mm": 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": [
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        "zmin_mm": 0,
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "TQFN-16-EP(3x3)",
      "Category": "Display Modules / LED Drivers / Display Drivers",
      "Pins": "17"
    },
    "appearance": {
      "contacts": {
        "quote": "1. Pins can be driven above VIN with no leakage current or change in operation. 2. \u0004JA (Junction to Ambient thermal resistance) is calculated with 2 square inches of copper connected to package expose",
        "page": 2,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "cc1c8fb045a0891c2d02c9d53b19036843d58264414097348c4b5c6852916db1"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "VIN, RC, RF, RT voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "GND−0.3 to 6",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "CAP, CP, CN voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "GND−0.3 to 7",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "CHRG, FLASH, TORCH, FLAG voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "GND−0.3 to 6",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 160,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Rating HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "Human Body Model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Rating MM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Machine Model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating supply voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "LEDA, LEDB current (flash mode)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "flash mode",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "LEDA, LEDB current (torch mode)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 10,
          "typ": null,
          "max": 200,
          "conditions": "torch mode",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Current Limit",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "FLAG pull-up resistor current",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "LED Forward Voltage Range",
          "symbol": "Vf",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.3,
          "typ": null,
          "max": 4.2,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal impedance junction to ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 42,
          "max": null,
          "conditions": "TQFN 3x3 16-lead, 2 sq in copper on exposed pad",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transient thermal impedance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "100 ms pulse at 5 W, 2 sq in copper",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "RSET Regulated Voltage",
          "symbol": "VRX",
          "kind": "electrical",
          "unit": "V",
          "min": 0.59,
          "typ": 0.6,
          "max": 0.61,
          "conditions": "IRX = 0.1 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Active Balance Control (VCAP / 2)",
          "symbol": "VBAL",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "±5 mA Load on BAL",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current on VIN pin, CAP charged & idle",
          "symbol": "IQVIN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "CAP Charged & idle",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current on VIN pin, charging 2x mode",
          "symbol": "IQVIN",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6,
          "max": null,
          "conditions": "CAP Charging 2x Mode",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current on CAP pin, charged & idle",
          "symbol": "IQCAP",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "CAP Charged & idle",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current on CAP pin, shutdown",
          "symbol": "IQCAP",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Shutdown mode",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current on CAP pin, shutdown VIN = 0 V",
          "symbol": "IQCAP",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Shutdown, VIN = 0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "IQSHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "CHRG = FLASH = TORCH = 0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Flash Gain (IFLASH / IRF)",
          "symbol": "GFLASH",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 900,
          "max": null,
          "conditions": "IFLASH = 2 A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Torch Gain (ITORCH / IRT)",
          "symbol": "GTORCH",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "ITORCH = 200 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Current Limit Gain (ICHRG / IRC)",
          "symbol": "GCHARGE",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 400,
          "max": null,
          "conditions": "ICHARGE = 400 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Rset Current limit",
          "symbol": "IRX_MAX",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.5,
          "max": null,
          "conditions": "VRX = 0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input current limit in charge mode",
          "symbol": "IIN_MAX",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1.4,
          "max": null,
          "conditions": "VRC = 0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CAP Charge off voltage",
          "symbol": "VC_OFF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 5.4,
          "max": null,
          "conditions": "RC = 2 k",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CAP Charge Hysteresis",
          "symbol": "VC_HYST",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CAP voltage FLAG pulled low",
          "symbol": "VF_ON",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 5.2,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CAP voltage FLAG Hysteresis",
          "symbol": "VF_HYST",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "LEDA/B Combined Dropout Resistance",
          "symbol": "RLEDAB",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 110,
          "max": null,
          "conditions": "IFLASHAB = 4 A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Charge Mode Resistance 1x mode",
          "symbol": "RCP",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "1x mode",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Charge Mode Resistance 2x mode",
          "symbol": "RCP",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "2x mode, VIN = 3.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Charge Pump Frequency",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 800,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Flash Timeout Duration",
          "symbol": "TFLASH",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Flag low voltage threshold (Open Drain)",
          "symbol": "VFLAG",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "FLAG Driven low 100 µA pull-up",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CHRG, FLASH, TORCH Pin Internal Pull-down Resistor",
          "symbol": "REN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CHRG, FLASH, TORCH Logic High Level",
          "symbol": "VEHI",
          "kind": "electrical",
          "unit": "V",
          "min": 1.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CHRG, FLASH, TORCH Logic Low Level",
          "symbol": "VELO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Hysteresis",
          "symbol": "THYS",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage lockout threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
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