RT8452GQW

{
  "slug": "rt8452gqw",
  "version": "0.1.0",
  "type": "component",
  "description": "Richtek Tech LED Drivers, WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "display modules - led drivers - display drivers",
    "rt8452gqw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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"
  ],
  "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": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "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": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6b9c61fbbcc272965e5d92f34db07e471a563e6cdb8847be1ccb79c16285a3bc",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}