GP8521J

{
  "slug": "gp8521j",
  "version": "0.1.0",
  "type": "component",
  "description": "HaloChip AC-DC Controllers And Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "gp8521j",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gp8521j.kicad_sym",
    "gp8521j.kicad_mod",
    "gp8521j.glb",
    "gp8521j.step",
    "gp8521j.lbr",
    "docs/hero.png",
    "docs/gp8521j-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gp8521j-hero.glb",
    "gp8521j-hero.overlay.json",
    "gp8521j-etched.glb"
  ],
  "component": {
    "mpn": "GP8521J",
    "manufacturer": "HaloChip",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603368111076749312",
    "parts": {
      "symbol": "gp8521j.kicad_sym",
      "footprint": "gp8521j.kicad_mod",
      "model_3d": "gp8521j-hero.glb",
      "model_3d_plain": "gp8521j-etched.glb",
      "model_3d_step": "gp8521j-etched.step",
      "model_3d_step_plain": "gp8521j.step",
      "lbr": "gp8521j.lbr"
    },
    "distributor_links": {
      "lcsc": "C22434955"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:40:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground pin, the IC ground reference (芯片的地); the datasheet gives no electrical limit for this pin."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip power supply pin with an absolute maximum of 35 V, a UVLO threshold of 7.5 V typical, and a VDD OVP threshold of 38.5 V typical."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback input with an absolute range of -0.3 to 7 V, an open-loop voltage of 5.3 V typical, and an OLP power-limit threshold of 3.6 V."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Current sense pin, with the sense resistor connected between CS and GND, an absolute range of -0.3 to 7 V, and an internal current-limit threshold of 600 to 980 mV."
      },
      {
        "number": "5",
        "name": "D",
        "type": "passive",
        "description": "Drain of the built-in power MOSFET, with a BVdss of 650 V, an absolute range of -0.3 to 650 V, and an Rdson of 0.95 Ω at Id = 2 A for the GP8521J."
      },
      {
        "number": "6",
        "name": "D",
        "type": "passive",
        "description": "Drain of the built-in power MOSFET, with a BVdss of 650 V, an absolute range of -0.3 to 650 V, and an Rdson of 0.95 Ω at Id = 2 A for the GP8521J."
      },
      {
        "number": "7",
        "name": "D",
        "type": "passive",
        "description": "Drain of the built-in power MOSFET, with a BVdss of 650 V, an absolute range of -0.3 to 650 V, and an Rdson of 0.95 Ω at Id = 2 A for the GP8521J."
      },
      {
        "number": "8",
        "name": "D",
        "type": "passive",
        "description": "Drain of the built-in power MOSFET, with a BVdss of 650 V, an absolute range of -0.3 to 650 V, and an Rdson of 0.95 Ω at Id = 2 A for the GP8521J."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: GP8521J is ordered in SOP8 (ordering table, page 2), so the SOP8 pinout was used. Pin numbers 1-8 co; Pins 5-8 are all named D in the datasheet, and the datasheet does not give a KiCad type for them. 'p; The datasheet gives no electrical limit for GND (pin 1), so its description is limited to the functi"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0446,
        "at": "2026-10-18T22:37:52"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603368111076749312",
        "pages": 9,
        "sha256": "57954280d3acc3ae",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gp8521j.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gp8521j-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "24169b1829316ab448ed33c96d937e021f34ead1efbf7990da53251ef96a0ddb",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}