RT9059GSP

{
  "schema_version": 1,
  "type": "component",
  "slug": "rt9059gsp",
  "title": "RT9059GSP",
  "brief": "Richtek Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOP-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "rt9059gsp"
  ],
  "component": {
    "mpn": "RT9059GSP",
    "manufacturer": "Richtek Tech",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2203221830_Richtek-Tech-RT9059GSP_C425783.pdf",
    "parts": {
      "symbol": "rt9059gsp.kicad_sym",
      "footprint": "rt9059gsp.kicad_mod",
      "model_3d": "rt9059gsp-etched.glb",
      "model_3d_plain": "rt9059gsp.glb",
      "model_3d_step": "rt9059gsp-etched.step",
      "model_3d_step_plain": "rt9059gsp.step",
      "lbr": "rt9059gsp.lbr"
    },
    "distributor_links": {
      "lcsc": "C425783"
    },
    "pins": [
      {
        "number": "1",
        "name": "PGOOD",
        "type": "output",
        "description": "Power good open-drain output. Asserts (high-Z) when VOUT reaches 90% of its rated value (10% falling hysteresis) after a 1ms typical delay. Requires an external pull-up resistor; sink capability 0.2V @ 10mA."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable control input. Logic-high (VIH >= 1.2V) enables the regulator; logic-low (VIL <= 0.4V) shuts it down and pulls VOUT low through ~150Ω. Absolute maximum -0.3V to 6V."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input voltage; source of the regulated output current up to 3A. Operating range 1V to 5.5V. Bypass with a 10μF ceramic capacitor to GND close to the pin."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage of the internal control circuit. Must satisfy VDD > VOUT + 1.5V; operating range 3V to 5.5V. Bypass with a 1μF ceramic capacitor to GND."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. May be left floating or tied to GND for board layout convenience."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage, up to 3A load current. Dropout typically 350mV at 3A. Requires a 10μF ceramic output capacitor to GND."
      },
      {
        "number": "7",
        "name": "ADJ",
        "type": "input",
        "description": "Output voltage feedback / setting input for the adjustable version. VOUT = VREF x (R1 + R2) / R2, with VREF = 0.8V typical. Connect the mid-point of the external R1/R2 divider from VOUT to GND."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for the device. Pin 8 and the exposed pad (pin 9) are internally tied to GND."
      },
      {
        "number": "9",
        "name": "GND (Exposed Pad)",
        "type": "power_in",
        "description": "Exposed thermal pad. Must be soldered to a large PCB copper area connected to GND for maximum power dissipation (θJC = 6.5°C/W, PD = 3.08W @ 25°C)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2203221830_Richtek-Tech-RT9059GSP_C425783.pdf",
        "pages": 12,
        "sha256": "498869c640dbc9f4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm@sha256:a7971720bdda0353",
      "mark": "drawn"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.55
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt9059gsp-etched.step",
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        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5559d089697abc8f9736da65d4538f10f075444358e0de67b9f5202e5fb8a654",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Unknown",
      "Package": "SOP-8-EP",
      "Category": "PMIC",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "498869c640dbc9f4",
      "rows": [
        {
          "name": "VDD Operation Range",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "VDD POR Threshold",
          "symbol": "VPOR_VDD",
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          "typ": 2.7,
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          "conditions": "VDD rising",
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        {
          "name": "VDD POR Falling Hysteresis",
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        {
          "name": "Input Voltage Range",
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        {
          "name": "VIN POR Threshold",
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        {
          "name": "Quiescent Current",
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          "kind": "electrical",
          "unit": "mA",
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          "conditions": "EN on, no load",
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        {
          "name": "Reference Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.788,
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          "max": 0.812,
          "conditions": "",
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        },
        {
          "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,
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        },
        {
          "name": "VOUT 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",
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        },
        {
          "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": 0.2,
          "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",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Input Logic-Low",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
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        },
        {
          "name": "EN Delay Time",
          "symbol": "",
          "kind": "timing",
          "unit": "ms",
          "min": 0.3,
          "typ": 0.85,
          "max": 1.4,
          "conditions": "",
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        },
        {
          "name": "VDD Pin Shutdown Current",
          "symbol": "ISHDN_VDD",
          "kind": "electrical",
          "unit": "A",
          "min": null,
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          "conditions": "VEN = 0V",
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        {
          "name": "VIN Pin Shutdown Current",
          "symbol": "ISHDN_VIN",
          "kind": "electrical",
          "unit": "A",
          "min": null,
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          "conditions": "VEN = 0V, VIN = 5V",
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        {
          "name": "Soft-Start Time",
          "symbol": "tSS",
          "kind": "timing",
          "unit": "ms",
          "min": 1.9,
          "typ": 2.8,
          "max": 3.75,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Input Voltage, VIN to GND (DC)",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "DC",
          "source_page": 4,
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        {
          "name": "Input Voltage, VIN to GND (<10ms)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
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          "conditions": "< 10ms",
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        {
          "name": "Control Voltage, VDD to GND (DC)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
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        {
          "name": "Control Voltage, VDD to GND (<10ms)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
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        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
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        },
        {
          "name": "Chip Enable Voltage",
          "symbol": "EN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
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        },
        {
          "name": "Adjust Voltage",
          "symbol": "ADJ",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
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        },
        {
          "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, SOP-8 (Exposed Pad)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 3.08,
          "conditions": "TA = 25°C",
          "source_page": 4,
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        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "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,
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        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 sec.",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "HBM (Human Body Model)",
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          "name": "ESD Susceptibility MM",
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          "conditions": "MM (Machine Model)",
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        {
          "name": "Supply Input Voltage",
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          "kind": "recommended_operating",
          "unit": "V",
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          "typ": null,
          "max": 5.5,
          "conditions": "",
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          "name": "Control Voltage",
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          "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": "Package Thermal Resistance, junction to ambient (SOP-8 EP)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 32.4,
          "max": null,
          "conditions": "Note 2: JEDEC 51-7 four-layer board, TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, junction to case (SOP-8 EP)",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 6.5,
          "max": null,
          "conditions": "Note 2: measured at exposed pad",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
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