RT8452GQW

{
  "schema_version": 1,
  "type": "component",
  "slug": "rt8452gqw",
  "title": "RT8452GQW",
  "brief": "Richtek Tech LED Drivers, 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": [
    "component",
    "display modules - led drivers - display drivers",
    "rt8452gqw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "RT8452GQW",
    "manufacturer": "Richtek Tech",
    "package": "WQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Display Modules / LED Drivers / Display Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/895f672a40e0a232acd9d52311ff1d48.pdf",
    "parts": {
      "symbol": "rt8452gqw.kicad_sym",
      "footprint": "rt8452gqw.kicad_mod",
      "model_3d": "rt8452gqw-hero.glb",
      "model_3d_plain": "rt8452gqw-etched.glb",
      "model_3d_step": "rt8452gqw-etched.step",
      "model_3d_step_plain": "rt8452gqw.step",
      "lbr": "rt8452gqw.lbr"
    },
    "distributor_links": {
      "lcsc": "C250423",
      "digikey": "RT8452GQW-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:41:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "RT8452GQW-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GBIAS",
        "type": "power_out",
        "description": "Internal gate driver bias output that requires a good bypass capacitor (10V rated, 1µF typical suggested)."
      },
      {
        "number": "2",
        "name": "GATE",
        "type": "output",
        "description": "External MOSFET switch gate driver output."
      },
      {
        "number": "3",
        "name": "PWMOUT",
        "type": "output",
        "description": "Output pin for the PWM dimming FET driver."
      },
      {
        "number": "4",
        "name": "ISW",
        "type": "input",
        "description": "External MOSFET switch current sense input; connect the current sense resistor between the external N-MOSFET switch and ground."
      },
      {
        "number": "5",
        "name": "PWMDIM",
        "type": "input",
        "description": "Control input pin for the PWM dimming FET driver."
      },
      {
        "number": "6",
        "name": "ISP",
        "type": "input",
        "description": "LED current sense amplifier positive input."
      },
      {
        "number": "7",
        "name": "ISN",
        "type": "input",
        "description": "LED current sense amplifier negative input; voltage threshold between ISP and ISN is 190mV."
      },
      {
        "number": "8",
        "name": "VC",
        "type": "passive",
        "description": "PWM control loop compensation pin."
      },
      {
        "number": "9",
        "name": "ACTL",
        "type": "input",
        "description": "Analog dimming control with an effective programming voltage range between 0.2V and 1.2V."
      },
      {
        "number": "10",
        "name": "DCTL",
        "type": "input",
        "description": "Digital dimming input; with a 0.47µF filter capacitor on ACTL, the PWM signal on DCTL is averaged into an analog dimming signal on ACTL."
      },
      {
        "number": "11",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start pin; a capacitor of at least 10nF is required for proper soft start."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "13",
        "name": "EN",
        "type": "input",
        "description": "Chip enable, active high; the chip is in shutdown mode when this pin voltage is low."
      },
      {
        "number": "14",
        "name": "OVP",
        "type": "input",
        "description": "Over voltage protection input; the PWM converter turns off when the pin voltage goes higher than 1.2V."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin of the chip (6V to 36V recommended); a low ESR bypass capacitor is required."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "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-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 GBIAS (power_out), VC and SS (passive) are inferred from the functional descriptions, ; The pin table lists pin 16 and the exposed pad (17) together as GND; pin 17 is the exposed pad, numb"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1494,
        "at": "2026-10-23T03:41:15"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/895f672a40e0a232acd9d52311ff1d48.pdf",
        "pages": 17,
        "sha256": "39ac6ef03534ed17",
        "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": [
      {
        "file": "rt8452gqw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          3,
          0.785
        ],
        "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": "rt8452gqw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          3,
          0.785
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6b9c61fbbcc272965e5d92f34db07e471a563e6cdb8847be1ccb79c16285a3bc",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Richtek Tech",
      "Package": "WQFN-16-EP(3x3)",
      "Category": "Display Modules / LED Drivers / Display Drivers",
      "Pins": "17"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "39ac6ef03534ed17c9870a90553b55dd9c09aa7190ac7fca840ff94d0ec70485",
      "rows": [
        {
          "name": "Supply Current",
          "symbol": "IVCC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6,
          "max": 7.2,
          "conditions": "VC ≤ 0.4V (Switching off)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN Threshold Voltage Logic-High",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN Threshold Voltage Logic-Low",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN Input Current",
          "symbol": "VEN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "VEN = 3V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Current Sense Amplifier Input Threshold (VISP − VISN)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": 180,
          "typ": 190,
          "max": 200,
          "conditions": "12V ≤ common mode ≤ 36V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "DCTL Input Current",
          "symbol": "IDCTL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "0.3V ≤ VDCTL ≤ 6V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 280,
          "typ": 350,
          "max": 420,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PWMDIM Logic-High Threshold Voltage",
          "symbol": "VPWMDIM_H",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PWMDIM Logic-Low Threshold Voltage",
          "symbol": "VPWMDIM_L",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "OVP Input Current",
          "symbol": "IOVP",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "0.7V ≤ VOVP ≤ 1.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "VEN ≤ 0.7V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ISP / ISN Input Current",
          "symbol": "IISP / IISN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "6V ≤ VISP = VISN ≤ 48V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VC Output Current",
          "symbol": "IVC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "VISP − VISN = 190mV, 0.5V ≤ VC ≤ 2.4V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VC Threshold for PWM Switch Off",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.7,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ACTL Pin Input Current",
          "symbol": "IACTL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VACTL = 1.2V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ACTL Pin Input Current",
          "symbol": "IACTL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VACTL = 0.2V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "LED Current Off Threshold at ACTL",
          "symbol": "VACTL_Off",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Minimum Off Time",
          "symbol": "",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "Note 5",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "GBIAS Voltage",
          "symbol": "VGBIAS",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 8.5,
          "max": null,
          "conditions": "IGBIAS = 20mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Gate Voltage High",
          "symbol": "VGate_H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 7.2,
          "max": null,
          "conditions": "IGate = 50mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Gate Voltage High",
          "symbol": "VGate_H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 7.8,
          "max": null,
          "conditions": "IGate = 100µA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Gate Voltage Low",
          "symbol": "VGate_L",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.25,
          "max": null,
          "conditions": "IGate = 50mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Gate Voltage Low",
          "symbol": "VGate_L",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "IGate = 100µA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "GATE Drive Rise and Fall Time",
          "symbol": "",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "1nF Load at GATE",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PWM Switch Current Limit Threshold",
          "symbol": "ISW_LIM",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 110,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PWMOUT Output Voltage High",
          "symbol": "VPWMOUT_H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 7.5,
          "max": null,
          "conditions": "IPWMOUT = 1mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PWMOUT Output Voltage Low",
          "symbol": "VPWMOUT_L",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.45,
          "max": null,
          "conditions": "IPWMOUT = 100µA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "PWMOUT Drive Rise and Fall Time",
          "symbol": "",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "1nF Load at PWMOUT",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "OVP Threshold",
          "symbol": "VOVP_th",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.18,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Soft-Start Pin Current",
          "symbol": "ISS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 6,
          "max": null,
          "conditions": "VSS ≤ 2V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Protection",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 145,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply Input Voltage Range",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 6,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply Input Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 38,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "GBIAS, GATE, PWMDIM, PWMOUT",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ISW",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ISP, ISN",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 54,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "DCTL, ACTL, OVP Pin Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "Note 6: up to 36V with 20kΩ serial resistor on ACTL and DCTL",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN Pin Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation WQFN-16L 3x3",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.4,
          "conditions": "TA = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering, 10 sec.)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility MM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, Junction to Ambient WQFN-16L 3x3",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 68,
          "max": null,
          "conditions": "Note 2, JEDEC 51-7 four-layer board",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, Junction to Case WQFN-16L 3x3",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 7.5,
          "max": null,
          "conditions": "Note 2, measured at exposed pad",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "rt8452gqw"
  ],
  "discovery_pitch": "RT8452GQW (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",
    "rt8452gqw.kicad_sym",
    "rt8452gqw.kicad_mod",
    "rt8452gqw.glb",
    "rt8452gqw.step",
    "rt8452gqw.lbr",
    "docs/hero.png",
    "docs/rt8452gqw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rt8452gqw-hero.glb",
    "rt8452gqw-hero.overlay.json",
    "rt8452gqw-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}