RT4722CGQW

{
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  "type": "component",
  "slug": "rt4722cgqw",
  "title": "RT4722CGQW",
  "brief": "Richtek Tech DC-DC Converters, WQFN-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": [
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    "power supply chip",
    "rt4722cgqw",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "RT4722CGQW",
    "manufacturer": "Richtek Tech",
    "package": "WQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a8c7881c7552a574c588dbe34cdc4843.pdf",
    "parts": {
      "symbol": "rt4722cgqw.kicad_sym",
      "footprint": "rt4722cgqw.kicad_mod",
      "model_3d": "rt4722cgqw-hero.glb",
      "model_3d_plain": "rt4722cgqw-etched.glb",
      "model_3d_step": "rt4722cgqw-etched.step",
      "model_3d_step_plain": "rt4722cgqw.step",
      "lbr": "rt4722cgqw.lbr"
    },
    "distributor_links": {
      "lcsc": "C3031668"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:03:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LX1",
        "type": "passive",
        "description": "Switching node of the 1st boost converter (VO1, fixed 4.6V)."
      },
      {
        "number": "2",
        "name": "PGND1",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "3",
        "name": "VO1",
        "type": "power_out",
        "description": "Output of the 1st boost converter (VPOS, typically 4.6V, up to 300mA)."
      },
      {
        "number": "4",
        "name": "FBS",
        "type": "input",
        "description": "Output feedback sense of the 1st boost converter; connect to the VO1 pin if unused."
      },
      {
        "number": "5",
        "name": "FD",
        "type": "input",
        "description": "Enables or disables active discharge during shutdown; default floating."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "7",
        "name": "AGND",
        "type": "power_in",
        "description": "Signal ground, shared with the exposed pad (pin 17)."
      },
      {
        "number": "8",
        "name": "ENO3",
        "type": "input",
        "description": "Enable/disable pin for the 2nd boost converter (VO3); input high threshold 1.2V min, low threshold 0.4V max."
      },
      {
        "number": "9",
        "name": "SWIRE",
        "type": "input",
        "description": "Single-wire control pin that enables/disables VPOS and VNEG and programs the VO2 and VO3 output voltages; 150kΩ typical internal pull-down."
      },
      {
        "number": "10",
        "name": "VO2",
        "type": "power_out",
        "description": "Buck/boost converter output (negative voltage, programmable -1.4V to -5.4V, up to 300mA)."
      },
      {
        "number": "11",
        "name": "LX2",
        "type": "passive",
        "description": "Switching node of the buck/boost converter."
      },
      {
        "number": "12",
        "name": "PVIN",
        "type": "power_in",
        "description": "Power input voltage, 2.9V to 4.5V recommended operating range."
      },
      {
        "number": "13",
        "name": "VO3",
        "type": "power_out",
        "description": "Output of the 2nd boost converter (AVDD, 5.8V to 7.9V, up to 55mA)."
      },
      {
        "number": "14",
        "name": "PGND2",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "15",
        "name": "LX3",
        "type": "passive",
        "description": "Switching node of the 2nd boost converter."
      },
      {
        "number": "16",
        "name": "AVIN",
        "type": "power_in",
        "description": "Analog input voltage, 2.9V to 4.5V recommended operating range."
      },
      {
        "number": "17",
        "name": "AGND",
        "type": "power_in",
        "description": "Exposed pad, signal ground; solder to a large PCB ground area and connect to AGND for maximum power dissipation."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.1503,
        "at": "2026-10-23T03:03:20"
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        "pages": 18,
        "sha256": "fd870f9bc9147939",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 17,
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  "metadata": {
    "specs": {
      "Manufacturer": "Richtek Tech",
      "Package": "WQFN-16-EP(3x3)",
      "Category": "Power Supply Chip",
      "Pins": "17"
    },
    "characteristics": {
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          "name": "Under Voltage Lockout High",
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          "conditions": "42 to 49 pulses by SWIRE pin",
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        {
          "name": "AVDD Output Voltage Total Variation",
          "symbol": "VO3_ACY",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "No load",
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        {
          "name": "VO3 Maximum Output Current",
          "symbol": "IO3MAX",
          "kind": "electrical",
          "unit": "mA",
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          "max": 55,
          "conditions": "VIN = 2.9V to 4.5V",
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        {
          "name": "VO3 Current Limit",
          "symbol": "IOCP3",
          "kind": "electrical",
          "unit": "A",
          "min": 0.28,
          "typ": 0.35,
          "max": 0.42,
          "conditions": "",
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        {
          "name": "VO1 Positive Output Voltage Variation",
          "symbol": "VO1",
          "kind": "electrical",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "VO1 Maximum Output Current",
          "symbol": "IO1MAX",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
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          "conditions": "VIN = 2.9V to 4.5V",
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          "name": "VO1 Current Limit",
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          "min": 0.8,
          "typ": 1,
          "max": 1.2,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "Negative Output Voltage Variation",
          "symbol": "VO2_ACY",
          "kind": "electrical",
          "unit": "mV",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "VO2 = 2.4V, No Load",
          "source_page": 8,
          "source": "datasheet"
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          "conditions": "VIN = 2.9V to 4.5V",
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          "name": "VO2 Current Limit",
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        {
          "name": "Adjustable Negative Output Voltage Range",
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          "unit": "V",
          "min": -5.4,
          "typ": -4,
          "max": -1.4,
          "conditions": "41 different values set by SWIRE pin",
          "source_page": 8,
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        {
          "name": "Input SWIRE Frequency",
          "symbol": "fswire",
          "kind": "timing",
          "unit": "kHz",
          "min": 25,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "Signal Stop Indicate Time",
          "symbol": "tstop",
          "kind": "timing",
          "unit": "µs",
          "min": 100,
          "typ": null,
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        {
          "name": "Turn-off Detection Time",
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          "name": "Supply Input Voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.9,
          "typ": null,
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        {
          "name": "Ambient Temperature Range",
          "symbol": "TA",
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          "unit": "°C",
          "min": -40,
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          "name": "Junction Temperature Range",
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        {
          "name": "Abs Max PVIN, AVIN, VO1, LX1, FBS, FD, ENO3, SWIRE",
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        {
          "name": "Abs Max VO3, LX3",
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          "name": "Abs Max VO2",
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          "conditions": "WQFN-16L 3x3, TA = 25°C",
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          "name": "Lead Temperature",
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          "name": "SWIRE Pull-down Resistor",
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          "unit": "kΩ",
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          "name": "Over-Temperature Protection",
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          "name": "Over-Temperature Protection Hysteresis",
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          "typ": 15,
          "max": null,
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          "source_page": 8,
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