main
Ray Set visibility: public 0cc01ed 20d ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583
{
  "schema_version": 1,
  "type": "component",
  "slug": "wst4054",
  "title": "WST4054",
  "brief": "Winsok Semicon Battery Management, SOT-23-5. 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)",
    "wst4054",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "WST4054",
    "manufacturer": "Winsok Semicon",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225475760533504",
    "parts": {
      "symbol": "wst4054.kicad_sym",
      "footprint": "wst4054.kicad_mod",
      "model_3d": "wst4054-hero.glb",
      "model_3d_plain": "wst4054-etched.glb",
      "model_3d_step": "wst4054-etched.step",
      "model_3d_step_plain": "wst4054.step",
      "lbr": "wst4054.lbr"
    },
    "distributor_links": {
      "lcsc": "C2985890"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T00:05:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge-status output that is strongly pulled down while a charge cycle is in progress, and after termination its state is set by the undervoltage lockout condition."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the charger IC."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "power_out",
        "description": "Charge current output to the single-cell Li-ion battery, rated at 500 mA maximum (IBAT) with a 7 V maximum BAT voltage in the absolute maximum ratings."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive input supply for the charger, specified at 4.25 V to 6.5 V with a 7 V absolute maximum rating and a 3.7 V rising UVLO threshold."
      },
      {
        "number": "5",
        "name": "PROG",
        "type": "bidirectional",
        "description": "Charge-current setting, charge-current monitoring and shutdown pin; a resistor to GND sets the charge current (IBAT = 1000/RPROG), charge terminates when PROG falls to 100 mV, and PROG absolute maximum voltage is VCC+0.3 V."
      }
    ],
    "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: The datasheet gives the SOT-23-5 pin table (pin numbers, names and functions) but no pin-type classi; The pin descriptions were translated from the Chinese datasheet text; the BAT and PROG descriptions "
        ],
        "pages_sent": 4,
        "cost_usd": 0.0306,
        "at": "2026-10-19T00:03:30"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225475760533504",
        "pages": 4,
        "sha256": "ad919efe2567e165",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "wst4054.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "wst4054-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f663108d5c8b55149cdacc56c3817d4dfbbea3c07c2391e25d20cba079e224a4",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Winsok Semicon",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ad919efe2567e165a2d2a48e550bc293a44c3858da743aa9aa8ab785aafc4505",
      "rows": [
        {
          "name": "输入电源电压 (VCC input supply voltage)",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 4.25,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "芯片消耗电流 充电模式 (IC supply current, charge mode)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 110,
          "max": 500,
          "conditions": "充电模式(3),RPROG=10k",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "芯片消耗电流 低功耗模式 (charge complete)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "低功耗模式(充电完成)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "芯片消耗电流 关断模式 (shutdown mode)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 35,
          "max": 50,
          "conditions": "关断模式(RPROG没有连接,VCC<VBAT,or VCC<VUV)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "稳定浮充电压 (float voltage)",
          "symbol": "VFLOAT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.158,
          "typ": 4.2,
          "max": 4.242,
          "conditions": "VBAT<VTRIKL,RPROG=10k",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "BAT充电电流 当前模式 (constant-current charge current)",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "mA",
          "min": 90,
          "typ": 100,
          "max": 130,
          "conditions": "当前模式,RPROG=10k",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "BAT充电电流 当前模式 (constant-current charge current, RPROG=2k)",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "当前模式,RPROG=2k",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "BAT电流 低功耗模式 (BAT leakage, low-power mode)",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "uA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "低功耗模式,VBAT=4.2V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "BAT电流 关断模式 (BAT leakage, shutdown mode)",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "uA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "关断模式(RPROG没有连接)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "BAT电流 睡眠模式 (BAT leakage, sleep mode)",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "uA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "睡眠模式,VCC=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "涓流充电电流 (trickle charge current)",
          "symbol": "ITRIKL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VBAT<VTRIKL,RPROG=10k",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "涓流充电阈值电压 (trickle charge threshold)",
          "symbol": "VTRIKL",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": 2.9,
          "max": 3,
          "conditions": "RPROG=10k,VBAT上升",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VCC欠压锁定阈值 (UVLO threshold)",
          "symbol": "VUV",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.7,
          "max": null,
          "conditions": "From VCC Low to High",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VCC欠压锁定迟滞 (UVLO hysteresis)",
          "symbol": "VUVHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VCC充电阈值电压 (charge threshold, rising)",
          "symbol": "VASD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VCC从低到高",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VCC充电阈值电压 (charge threshold, falling)",
          "symbol": "VASD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "VCC从高到低",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "CHRG引脚输出电压 (CHRG output voltage)",
          "symbol": "VCHRG",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 50,
          "conditions": "ICHRG=5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "充电基准电压 (charge reference voltage)",
          "symbol": "VPROG",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": 1,
          "max": 1.1,
          "conditions": "当前模式,RPROG=10k",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "自动重充迟滞电压 (auto-recharge hysteresis)",
          "symbol": "△VRECHRG",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "VFLOAT - VRECHRG",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "过温关断点 (thermal shutdown threshold)",
          "symbol": "TLIM",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "PROG上拉电流 (PROG pull-up current)",
          "symbol": "IPROG",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "输入电源电压 (input supply voltage, absolute max)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输入电压 (input voltage)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "BAT电压 (BAT voltage)",
          "symbol": "VBAT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CHRG电压 (CHRG voltage)",
          "symbol": "VCHRG",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "BAT电流 (BAT current)",
          "symbol": "IBAT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PROG电流 (PROG current)",
          "symbol": "IPROG",
          "kind": "absolute_maximum",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "最高结温 (maximum junction temperature)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "内部结温 (internal junction temperature range)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "贮藏温度 (storage temperature)",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "焊接温度 (soldering temperature)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "不超过10sec",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "wst4054"
  ],
  "discovery_pitch": "WST4054 (Winsok Semicon) 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",
    "wst4054.kicad_sym",
    "wst4054.kicad_mod",
    "wst4054.glb",
    "wst4054.step",
    "wst4054.lbr",
    "docs/hero.png",
    "docs/wst4054-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "wst4054-hero.glb",
    "wst4054-hero.overlay.json",
    "wst4054-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}