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Ray Set visibility: public 507dc36 21d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "gp8521j",
  "title": "GP8521J",
  "brief": "HaloChip AC-DC Controllers And Regulators, SOP-8. 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",
    "power management (pmic)",
    "gp8521j",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 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,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "24169b1829316ab448ed33c96d937e021f34ead1efbf7990da53251ef96a0ddb",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HaloChip",
      "Package": "SOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "57954280d3acc3aef265376faccc62844d64ef0d4f25ed18d24c0ab5747c1eba",
      "rows": [
        {
          "name": "VDD 电源电压 supply voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CS 电流采样端 voltage",
          "symbol": "CS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FB 反馈电压输入端 voltage",
          "symbol": "FB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "D 内置MOS漏端 drain voltage",
          "symbol": "D",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 650,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "工作结温范围 operating junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "工作环境温度范围 operating ambient temperature",
          "symbol": "Ta",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "储存温度范围 storage temperature",
          "symbol": "TSZG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "最大焊接温度 maximum soldering temperature",
          "symbol": "Tlead",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "soldering 10s",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD rating",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "human body model, 100pF through 1.5KΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "开关频率 switching frequency range (listed in 极限参数 table)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "Khz",
          "min": 60,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PN结到环境热阻 junction-to-ambient thermal resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PN结到管壳热阻 junction-to-case thermal resistance",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VDD 启动电压 start-up voltage",
          "symbol": "VDD_SZ",
          "kind": "electrical",
          "unit": "V",
          "min": 14.5,
          "typ": 15.5,
          "max": 16.5,
          "conditions": "VDD 上升 (VDD rising)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD 欠压保护阈值 UVLO threshold",
          "symbol": "VDD_UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 6.5,
          "typ": 7.5,
          "max": 8.5,
          "conditions": "VDD 下降 (VDD falling)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD 过压保护值 OVP threshold",
          "symbol": "VDD_OVP",
          "kind": "electrical",
          "unit": "V",
          "min": 37,
          "typ": 38.5,
          "max": 40,
          "conditions": "VDD 上升 (VDD rising)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD 启动电流 start-up current",
          "symbol": "ISZ",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "VDD= 12.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD 工作电流 operating current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.5,
          "max": 3.5,
          "conditions": "VFB=3V,CL=1nF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "内部限流阈值 current-limit threshold (min column)",
          "symbol": "Vth_OC_min",
          "kind": "electrical",
          "unit": "mV",
          "min": 600,
          "typ": 650,
          "max": 700,
          "conditions": "零占空比 (zero duty cycle)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "内部限流阈值 current-limit threshold (max)",
          "symbol": "Vth_OC_max",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 980,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB 开路电压 open-loop FB voltage",
          "symbol": "VFB_Open",
          "kind": "electrical",
          "unit": "V",
          "min": 5.15,
          "typ": 5.3,
          "max": 5.45,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "标称震荡频率 nominal oscillator frequency",
          "symbol": "Fosc",
          "kind": "electrical",
          "unit": "Khz",
          "min": 60,
          "typ": 65,
          "max": 70,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "频率抖动范围 frequency shuffling range",
          "symbol": "∆F(shuffle)/Fosc",
          "kind": "electrical",
          "unit": "%",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "频率电压偏移 frequency voltage deviation",
          "symbol": "∆f_VDD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VDD = 12-25V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "频率温度偏移 frequency temperature deviation",
          "symbol": "∆f_Temp",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "-20℃-100℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "最大占空比 maximum duty cycle",
          "symbol": "Duty_max",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "软启动时间 soft-start time",
          "symbol": "Tsotfstart",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "前沿消隐时间 leading-edge blanking time",
          "symbol": "TLEB",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 460,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "过流跟踪控制延时 OC tracking delay",
          "symbol": "TD_OC",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "CL=1nF at GATE",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB 短路电流 FB short-circuit current",
          "symbol": "IFB_Short",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.35,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PWM 输入增益 PWM input gain",
          "symbol": "AVCS",
          "kind": "electrical",
          "unit": "V/V",
          "min": null,
          "typ": 1.6,
          "max": null,
          "conditions": "ΔVFB /ΔVcs",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB 驱动截止电压 skip cut-off voltage",
          "symbol": "Vskip",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB 功率限制阈值 power-limit threshold",
          "symbol": "VFB_OLP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.6,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "OLP 触发延时 OLP debounce delay",
          "symbol": "TOLP_debounce",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 56,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输入阻抗 FB input impedance",
          "symbol": "ZFB_IN",
          "kind": "electrical",
          "unit": "Kohm",
          "min": null,
          "typ": 14,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "间歇模式基础频率 burst-mode base frequency",
          "symbol": "F_BM",
          "kind": "electrical",
          "unit": "Khz",
          "min": null,
          "typ": 22,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "OTP 进入温度 OTP enter temperature",
          "symbol": "OTP enter",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "OTP 退出温度 OTP exit temperature",
          "symbol": "OTP exit",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 135,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "功率 MOS 漏源电压 drain-source breakdown voltage",
          "symbol": "BVdss",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 650,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "静态漏源导通阻抗 static drain-source on-resistance (GP8521J)",
          "symbol": "Rdson",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.95,
          "max": null,
          "conditions": "Id=2A GP8521J",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "零驱动电压漏端电流 zero-gate-voltage drain current",
          "symbol": "Idss",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gp8521j"
  ],
  "discovery_pitch": "GP8521J (HaloChip) 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",
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