RT8289GSP

{
  "schema_version": 1,
  "type": "component",
  "slug": "rt8289gsp",
  "title": "RT8289GSP",
  "brief": "Richtek Tech DC-DC Converters, SOIC-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "rt8289gsp"
  ],
  "component": {
    "mpn": "RT8289GSP",
    "manufacturer": "Richtek Tech",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c3455a27dfb24f219663e32814420378.pdf",
    "parts": {
      "symbol": "rt8289gsp.kicad_sym",
      "footprint": "rt8289gsp.kicad_mod",
      "model_3d": "rt8289gsp-etched.glb",
      "model_3d_plain": "rt8289gsp.glb",
      "model_3d_step": "rt8289gsp-etched.step",
      "model_3d_step_plain": "rt8289gsp.step",
      "lbr": "rt8289gsp.lbr"
    },
    "distributor_links": {
      "lcsc": "C39202"
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "input",
        "description": "High Side Gate Drive Bootstrap Input. Supplies the drive for the high-side N-MOSFET switch. Connect a 10nF or greater capacitor from SW to BOOT to power the high-side switch. Absolute maximum is (VSW - 0.3V) to (VSW + 6V); typical VBOOT-SW is 4.8V."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No Internal Connection."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No Internal Connection."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback Input. Senses the output voltage through a resistive divider to regulate said voltage; the divider values also set loop bandwidth. Feedback threshold is 1.222V (typ)."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Chip Enable (Active High). Digital input that turns the regulator on/off. Drive above 1.4V to enable, below 0.4V to disable; leave open for automatic startup (1µA pull-up). Absolute max 6V; recommended 0V-5.5V."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground. Both pin 6 and the exposed pad (pin 9) must be connected to GND; the exposed pad must be soldered to a large PCB copper area for maximum power dissipation."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Power Input. Supplies the IC and step-down converter switches. Drive with a 5.5V to 32V source (abs max 34V). Bypass to GND with a suitably large capacitor to eliminate input noise."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "power_out",
        "description": "Power Switching Output. Switching node that supplies power to the output; connect the output LC filter from SW to the load. A capacitor from SW to BOOT powers the high-side switch. Absolute max -0.6V to (VIN + 0.3V)."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed Pad (Ground). Must be soldered to a large PCB copper area and connected to GND for maximum power dissipation; θJC = 15°C/W measured at the exposed pad."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c3455a27dfb24f219663e32814420378.pdf",
        "pages": 13,
        "sha256": "a08c6019321dbdd5",
        "source_tier": "mfr"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "rt8289gsp.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.55
        ],
        "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": "rt8289gsp-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e12062ef9a6f14a73f785a88663b87a537258855d1c5a1976f0c3560ff4f767f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Richtek Tech",
      "Package": "SOIC-8-EP",
      "Category": "PMIC",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "rt8289gsp"
  ],
  "discovery_pitch": "RT8289GSP (Richtek Tech) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rt8289gsp.kicad_sym",
    "rt8289gsp.kicad_mod",
    "rt8289gsp.glb",
    "rt8289gsp.step",
    "rt8289gsp-etched.step",
    "rt8289gsp.lbr",
    "docs/hero.png",
    "docs/rt8289gsp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "RT8289GSP",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T05:16:12.176Z"
}