RT9059GQW

{
  "schema_version": 1,
  "type": "component",
  "slug": "rt9059gqw",
  "title": "RT9059GQW",
  "brief": "Richtek Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, WDFN-10(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",
    "power management (pmic)",
    "rt9059gqw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "RT9059GQW",
    "manufacturer": "Richtek Tech",
    "package": "WDFN-10(3x3)",
    "pin_count": 11,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881876160794624",
    "parts": {
      "symbol": "rt9059gqw.kicad_sym",
      "footprint": "rt9059gqw.kicad_mod",
      "model_3d": "rt9059gqw-hero.glb",
      "model_3d_plain": "rt9059gqw-etched.glb",
      "model_3d_step": "rt9059gqw-etched.step",
      "model_3d_step_plain": "rt9059gqw.step",
      "lbr": "rt9059gqw.lbr"
    },
    "distributor_links": {
      "lcsc": "C147977"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T15:02:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage; in adjustable mode VOUT is set between 0.8V and VIN by the external divider on ADJ."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage (pin 2 is tied to the same VOUT net as pins 1 and 3); the datasheet recommends a low-ESR ceramic output capacitor of at least 10µF located within 0.5 inch of the VOUT pin."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage (pin 3 is tied to the same VOUT net as pins 1 and 2); the datasheet recommends a low-ESR ceramic output capacitor of at least 10µF located within 0.5 inch of the VOUT pin."
      },
      {
        "number": "4",
        "name": "ADJ",
        "type": "input",
        "description": "Output voltage setting; VOUT = VREF x (R1+R2)/R2 with VREF 0.8V typical, and R1/R2 should each be more than 10kΩ to limit power loss."
      },
      {
        "number": "5",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power good output that goes high when VOUT reaches 90% of its nominal value; the datasheet specifies a 100kΩ pull-up to VOUT and sink voltage of 0.4V max at 10mA."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Enable control input: logic high at 1.2V min and logic low at 0.4V max; the pin is pulled low internally, so the regulator is off when EN is floating."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input voltage, 1V to 5.5V recommended; a 10µF or larger input capacitor placed close to the IC is recommended."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input voltage, 1V to 5.5V recommended (pin 8 is tied to the same VIN net as pins 7 and 9)."
      },
      {
        "number": "9",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input voltage, 1V to 5.5V recommended (pin 9 is tied to the same VIN net as pins 7 and 8)."
      },
      {
        "number": "10",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage of the control circuit, 3V to 5.5V; VDD must be greater than VOUT + 1.5V."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; the exposed pad must be soldered to a large PCB and connected to GND for maximum power dissipation."
      }
    ],
    "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: MPN RT9059GQW has no fixed output-voltage code (15/18/25) in its ordering string, so it is treated a; The datasheet pin table lists VOUT, VIN and GND as multiple pins sharing one net (1-3, 7-9, and expo"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0669,
        "at": "2026-10-17T15:00:33"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881876160794624",
        "pages": 12,
        "sha256": "9dc0d1b51e41c0c9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "rt9059gqw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.02,
          3,
          0.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "edd258a7651b5edd562fd75b5e854f4b34a54b1db5c85efafcbb7e710e786081",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt9059gqw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.02,
          3,
          0.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b19fbe55a90ae09a2e747407d6f7bfa9beb51451680d9a83e6552e53a4a0d102",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Richtek Tech",
      "Package": "WDFN-10(3x3)",
      "Category": "Power Management (PMIC)",
      "Pins": "11"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9dc0d1b51e41c0c97a4b9156ea84d1cb83b72d1de496e300cacc82c89083dff0",
      "rows": [
        {
          "name": "Supply Input Voltage, VIN",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Control Voltage, VDD",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.5,
          "conditions": "VDD > VOUT + 1.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Input Voltage, VIN to GND (DC)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "DC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Input Voltage, VIN to GND (<10ms)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "< 10ms",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Control Voltage, VDD to GND (DC)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "DC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Control Voltage, VDD to GND (<10ms)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "< 10ms",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Chip Enable Voltage",
          "symbol": "EN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Adjust Voltage",
          "symbol": "ADJ",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Good Voltage",
          "symbol": "VPGOOD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation, WDFN-10L 3x3",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2.95,
          "conditions": "TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering, 10 sec.)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 sec.",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility HBM (Human Body Model)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility MM (Machine Model)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD Operation Range",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD POR Threshold",
          "symbol": "VPOR_VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": 2.7,
          "max": 3,
          "conditions": "VDD Rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD POR Falling Hysteresis",
          "symbol": "VPOR_VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 0.15,
          "typ": 0.2,
          "max": null,
          "conditions": "VDD Falling",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN POR Threshold",
          "symbol": "VPOR_VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": 0.8,
          "max": 0.9,
          "conditions": "VIN Rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN POR Falling Hysteresis",
          "symbol": "VPOR_VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 0.15,
          "typ": 0.2,
          "max": 0.25,
          "conditions": "VIN Falling",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.6,
          "max": 1.2,
          "conditions": "EN On, No Load",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.788,
          "typ": 0.8,
          "max": 0.812,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VOUT Load Regulation",
          "symbol": "VLOAD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.5,
          "max": 1,
          "conditions": "IOUT = 1mA to 3A, VIN = VOUT+1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "OUT Line Regulation",
          "symbol": "VLINE",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.2,
          "max": 0.6,
          "conditions": "VDD = 3.6V to 5.5V, VIN = VOUT+1V to 5V, IOUT = 1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 250,
          "max": 350,
          "conditions": "IOUT = 2A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 350,
          "max": 450,
          "conditions": "IOUT = 3A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": 3.1,
          "typ": 3.6,
          "max": 4.2,
          "conditions": "VIN = 3.6V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Short Circuit Current",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "A",
          "min": 1,
          "typ": 1.4,
          "max": 1.8,
          "conditions": "VOUT < 0.2V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "PGOOD Delay Time",
          "symbol": "",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 1,
          "max": 1.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "PGOOD Sink Capability",
          "symbol": "VPGOOD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": 0.4,
          "conditions": "ISINK = 10mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Input Logic-High Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Input Logic-Low Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Delay Time",
          "symbol": "",
          "kind": "timing",
          "unit": "ms",
          "min": 0.3,
          "typ": 0.85,
          "max": 1.4,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VDD Pin Shutdown Current",
          "symbol": "ISHDN_VDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VEN = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VIN Pin Shutdown Current",
          "symbol": "ISHDN_VIN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VEN = 0V, VIN = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soft-Start Time",
          "symbol": "tSS",
          "kind": "timing",
          "unit": "ms",
          "min": 1.9,
          "typ": 2.8,
          "max": 3.75,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VOUT Pull Low Resistance",
          "symbol": "RPULL",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "VEN = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Recovery Temperature",
          "symbol": "TSDR",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "PGOOD Rising Threshold",
          "symbol": "VTH_PGOOD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "VOUT Rising",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "PGOOD Hysteresis",
          "symbol": "VTH_PGOOD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VOUT Falling",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Pin Bias Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "VEN = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Inrush Current",
          "symbol": "IINRUSH",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "VOUT = 1.8V, COUT = 10µF, ILoad = 1A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, WDFN-10L 3x3, junction-to-ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 33.8,
          "max": null,
          "conditions": "JEDEC 51-7 four-layer board, TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, WDFN-10L 3x3, junction-to-case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 8.9,
          "max": null,
          "conditions": "measured at exposed pad",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "rt9059gqw"
  ],
  "discovery_pitch": "RT9059GQW (Richtek Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rt9059gqw.kicad_sym",
    "rt9059gqw.kicad_mod",
    "rt9059gqw.glb",
    "rt9059gqw.step",
    "rt9059gqw.lbr",
    "docs/hero.png",
    "docs/rt9059gqw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rt9059gqw-hero.glb",
    "rt9059gqw-hero.overlay.json",
    "rt9059gqw-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}