RT6154AGQW

{
  "schema_version": 1,
  "type": "component",
  "slug": "rt6154agqw",
  "title": "RT6154AGQW",
  "brief": "Richtek Tech DC-DC Converters, DFN-14-EP(3x4). 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",
    "power management (pmic)",
    "rt6154agqw",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "RT6154AGQW",
    "manufacturer": "Richtek Tech",
    "package": "DFN-14-EP(3x4)",
    "pin_count": 15,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589836950082519040",
    "parts": {
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      "lbr": "rt6154agqw.lbr"
    },
    "distributor_links": {
      "lcsc": "C250400",
      "digikey": "1028-1338-2-ND",
      "mouser": "835-RT6154AGQW"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T19:05:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1028-1338-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "835-RT6154AGQW",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VINA",
        "type": "power_in",
        "description": "Supply voltage input, recommended 1.8V to 5.5V, with absolute maximum rating of −0.2V to 6V to GND."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Voltage feedback of the adjustable version (RT6154A), with a typical regulated value of 500mV; must be connected to VOUT on the fixed 3.3V version (RT6154B)."
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "power_out",
        "description": "Buck-boost converter output, adjustable from 1.8V to 5.5V on the RT6154A and fixed at 3.3V on the RT6154B; absolute maximum −0.2V to 6.5V to GND."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Buck-boost converter output (second VOUT pin, same net as pin 4); absolute maximum −0.2V to 6.5V to GND."
      },
      {
        "number": "6",
        "name": "LX2",
        "type": "passive",
        "description": "Second switch node; the buck-boost inductor is connected between LX1 and LX2, with LX2 limited to (PGND − 0.2V) to (PVIN + 0.2V) and 6.5V max."
      },
      {
        "number": "7",
        "name": "LX2",
        "type": "passive",
        "description": "Second switch node (second LX2 pin, same net as pin 6); the inductor is connected between LX1 and LX2."
      },
      {
        "number": "8",
        "name": "LX1",
        "type": "passive",
        "description": "First switch node; the buck-boost inductor is connected between LX1 and LX2, with LX1 limited to (PGND − 0.2V) to (PVIN + 0.2V) and 6V max."
      },
      {
        "number": "9",
        "name": "LX1",
        "type": "passive",
        "description": "First switch node (second LX1 pin, same net as pin 8); the inductor is connected between LX1 and LX2."
      },
      {
        "number": "10",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input, recommended 1.8V to 5.5V, with absolute maximum rating of −0.2V to 6V to GND."
      },
      {
        "number": "11",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input (second VIN pin, same net as pin 10)."
      },
      {
        "number": "12",
        "name": "EN",
        "type": "input",
        "description": "Enable control input (1 enabled, 0 disabled) that must not be left open; logic-high minimum 1.2V and logic-low maximum 0.4V."
      },
      {
        "number": "13",
        "name": "PS/SYNC",
        "type": "input",
        "description": "Enable/disable control for power save mode (1 disabled, 0 enabled) and clock input for synchronization from 2.2MHz to 2.6MHz; must not be left open."
      },
      {
        "number": "14",
        "name": "PGOOD",
        "type": "output",
        "description": "Power good indicator output (1 good, 0 failure), open-drain so it requires a pull-up to the logic supply; low output voltage 0.4V max."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Exposed pad, power ground; the exposed pad must be soldered to a large PCB and connected to PGND for maximum power dissipation."
      }
    ],
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        "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: Package naming mismatch: the hint says DFN-14-EP(3x4), but the datasheet names the package WDFN-14AL; The pin diagram on page 1 is text-extracted and does not give a clear pad-by-pad position map. Pin n; Pin types for LX1 and LX2 (passive) are an engineering choice; the datasheet does not assign a KiCad"
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        "pages_sent": 15,
        "cost_usd": 0.0748,
        "at": "2026-10-16T19:05:19"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 15,
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  "metadata": {
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      "Manufacturer": "Richtek Tech",
      "Package": "DFN-14-EP(3x4)",
      "Category": "Power Management (PMIC)",
      "Pins": "15"
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          "name": "Under-Voltage Lockout Rising Threshold",
          "symbol": "UVLO_R",
          "kind": "electrical",
          "unit": "V",
          "min": 1.6,
          "typ": 1.7,
          "max": 1.8,
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        {
          "name": "Under-Voltage Lockout Falling Threshold",
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          "name": "Minimum Input Voltage for Start-Up",
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        {
          "name": "FB Voltage",
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          "min": 0.495,
          "typ": 0.5,
          "max": 0.505,
          "conditions": "Force PWM (RT6154A)",
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        {
          "name": "Shutdown Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
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          "max": 1,
          "conditions": "EN = 0V, PS/SYNC = 0V, PGOOD = 0V",
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        {
          "name": "Switching Frequency",
          "symbol": "fSW",
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        {
          "name": "Frequency Range for Synchronization",
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          "kind": "electrical",
          "unit": "MHz",
          "min": 2.2,
          "typ": 2.4,
          "max": 2.6,
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        {
          "name": "Current Limit",
          "symbol": "IOC_36",
          "kind": "electrical",
          "unit": "A",
          "min": 3.9,
          "typ": 5,
          "max": 5.8,
          "conditions": "VIN = VINA = 3.6V",
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        {
          "name": "Current Limit",
          "symbol": "IOC_21",
          "kind": "electrical",
          "unit": "A",
          "min": 1.7,
          "typ": 2.6,
          "max": 3.7,
          "conditions": "VIN = VINA = 2.1V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 20,
          "max": 40,
          "conditions": "Non switching, EN = VINA, SYNC = 0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Leakage of LX1 and LX2",
          "symbol": "ILX1, ILX2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "All Switch Off",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN, PS/SYNC Logic-High Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
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          "min": 1.2,
          "typ": null,
          "max": null,
          "conditions": "",
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          "name": "EN, PS/SYNC Logic-Low Input Voltage",
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          "kind": "electrical",
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          "max": 0.4,
          "conditions": "",
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          "name": "PS/SYNC Input Current",
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          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "",
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        {
          "name": "PGOOD Output Low Voltage",
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          "unit": "V",
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          "typ": 0.04,
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          "conditions": "VOUT = 3.3V, IPGOODL = 10µA",
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        {
          "name": "PGOOD Output Leakage Current",
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          "typ": 0.01,
          "max": 0.1,
          "conditions": "",
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          "name": "VIN, VINA to GND",
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          "min": -0.2,
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        {
          "name": "VOUT to GND",
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          "min": -0.2,
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          "name": "EN, PS/SYNC to GND",
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          "min": -0.2,
          "typ": null,
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          "conditions": "Upper limit printed as (PVIN + 0.2V) with 6V max; 6V cap recorded",
          "source_page": 5,
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        {
          "name": "FB to PGND",
          "symbol": "",
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          "min": -0.2,
          "typ": null,
          "max": 6,
          "conditions": "Upper limit printed as (PVIN + 0.2V) with 6V max; 6V cap recorded",
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        {
          "name": "LX1 to PGND",
          "symbol": "LX1",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.2,
          "typ": null,
          "max": 6,
          "conditions": "Lower limit PGND − 0.2V; upper limit (PVIN + 0.2V) with 6V max; 6V cap recorded",
          "source_page": 5,
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        {
          "name": "LX2 to PGND",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.2,
          "typ": null,
          "max": 6.5,
          "conditions": "Lower limit PGND − 0.2V; upper limit (PVIN + 0.2V) with 6.5V max; 6.5V cap recorded",
          "source_page": 5,
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        {
          "name": "LX1, LX2 Switch Node Transient",
          "symbol": "LX1, LX2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -3,
          "typ": null,
          "max": 8.5,
          "conditions": "< 20ns",
          "source_page": 5,
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        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 3.49,
          "conditions": "TA = 25°C, WDFN-14AL 4x3",
          "source_page": 5,
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        {
          "name": "Package Thermal Resistance Junction-to-Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
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          "conditions": "WDFN-14AL 4x3",
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          "name": "Package Thermal Resistance Junction-to-Case",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
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          "max": 3.2,
          "conditions": "WDFN-14AL 4x3",
          "source_page": 5,
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        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 sec.",
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          "name": "Junction Temperature",
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        {
          "name": "Storage Temperature Range",
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          "min": -65,
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          "name": "ESD Susceptibility HBM",
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          "unit": "kV",
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          "conditions": "HBM (Human Body Model)",
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        {
          "name": "Input Voltage Range",
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          "kind": "recommended_operating",
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          "min": 1.8,
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          "name": "Output Voltage Range",
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          "name": "Junction Temperature Range",
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          "min": -40,
          "typ": null,
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          "name": "Ambient Temperature Range",
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          "max": 85,
          "conditions": "",
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