AOZ1284PI

{
  "schema_version": 1,
  "type": "component",
  "slug": "aoz1284pi",
  "title": "AOZ1284PI",
  "brief": "Alpha Omega Semicon 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",
    "aoz1284pi"
  ],
  "component": {
    "mpn": "AOZ1284PI",
    "manufacturer": "Alpha Omega Semicon",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/12da9814f30f416bbde4e2a3aab80135.pdf",
    "parts": {
      "symbol": "aoz1284pi.kicad_sym",
      "footprint": "aoz1284pi.kicad_mod",
      "model_3d": "aoz1284pi-etched.glb",
      "model_3d_plain": "aoz1284pi.glb",
      "model_3d_step": "aoz1284pi-etched.step",
      "model_3d_step_plain": "aoz1284pi.step",
      "lbr": "aoz1284pi.lbr"
    },
    "distributor_links": {
      "lcsc": "C48060"
    },
    "pins": [
      {
        "number": "1",
        "name": "LX",
        "type": "output",
        "description": "PWM switch node output. Connect to the external inductor of the buck converter. Swings from ~GND to ~VIN at the switching frequency; abs-max -0.7V to VIN+0.3V."
      },
      {
        "number": "2",
        "name": "BST",
        "type": "power_in",
        "description": "Bootstrap voltage pin. Driver supply for the high-side NMOS. Connect a 100 nF ceramic capacitor between BST and LX; abs-max -0.3V to VLX+6V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin. Signal and power ground reference for the IC."
      },
      {
        "number": "4",
        "name": "FSW",
        "type": "input",
        "description": "Frequency bias pin. Connect a resistor (RF) from FSW to GND to program the switching frequency from 200 kHz (RF≈270 kΩ) to 2 MHz."
      },
      {
        "number": "5",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier compensation pin. Connect an external R-C network to GND to set loop compensation for system stability; abs-max -0.3V to +6V."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin. Regulated to 0.8V (typ). Connect a resistor divider from VOUT to FB to GND to program the output voltage (0.8V to VIN*0.85V); abs-max -0.3V to +6V."
      },
      {
        "number": "7",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start pin. Connect an external capacitor from SS to GND to set the soft-start ramp time; internal source current ~2.5 µA; abs-max -0.3V to +6V."
      },
      {
        "number": "8",
        "name": "EN",
        "type": "input",
        "description": "Enable pin. Drive above ~1.2V (typ) to enable the regulator, below 0.4V to disable (shutdown). 200 mV of input hysteresis; abs-max -0.3V to +6V."
      },
      {
        "number": "9",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage pin, provided on the exposed thermal pad. Operating range 3.0V to 36V (abs-max 40V). Must be soldered to a PCB copper plane both for the input supply connection and for heat sinking."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/12da9814f30f416bbde4e2a3aab80135.pdf",
        "pages": 14,
        "sha256": "d4c431a947220f9c",
        "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"
    },
    "models_3d": [
      {
        "file": "aoz1284pi.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": "aoz1284pi-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": "752148555772d27eccb36f942fc4a3f7bc7bbd3bd10a1e917a48131454c701de",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Alpha Omega Semicon",
      "Package": "SOIC-8-EP",
      "Category": "PMIC",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "aoz1284pi"
  ],
  "discovery_pitch": "AOZ1284PI (Alpha Omega Semicon) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "aoz1284pi.kicad_sym",
    "aoz1284pi.kicad_mod",
    "aoz1284pi.glb",
    "aoz1284pi.step",
    "aoz1284pi-etched.step",
    "aoz1284pi.lbr",
    "docs/hero.png",
    "docs/aoz1284pi-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "AOZ1284PI",
      "kind": "packaging"
    },
    {
      "mpn": "AOZ1284PI-1",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T16:25:59.477Z"
}