TP4054A

{
  "schema_version": 1,
  "type": "component",
  "slug": "tp4054a",
  "title": "TP4054A",
  "brief": "YONGYUTAI Battery Management, SOT-23-5L. 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)",
    "tp4054a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TP4054A",
    "manufacturer": "YONGYUTAI",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603406917952167936",
    "parts": {
      "symbol": "tp4054a.kicad_sym",
      "footprint": "tp4054a.kicad_mod",
      "model_3d": "tp4054a-hero.glb",
      "model_3d_plain": "tp4054a-etched.glb",
      "model_3d_step": "tp4054a-etched.step",
      "model_3d_step_plain": "tp4054a.step",
      "lbr": "tp4054a.lbr"
    },
    "distributor_links": {
      "lcsc": "C33551022"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T17:38:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error",
        "error": "The read operation timed out"
      },
      "mouser": {
        "pn": null,
        "status": "error",
        "error": "The read operation timed out"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge status output that is pulled low while charging, goes high-impedance when charging is done or input is undervoltage, and should be tied to GND if the indicator is not used."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground pin."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection pin that carries the charge current to the Li-ion cell, with the datasheet specifying a 4.2 V float voltage (VFLOAT) and built-in reverse-current protection from BAT to VDD."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Power input pin for the USB or adapter supply, with an operating range of 4.5 V to 6.0 V (5.0 V typical) and an absolute maximum of -0.3 V to 9 V."
      },
      {
        "number": "5",
        "name": "PROG",
        "type": "passive",
        "description": "Charge current programming pin, where a resistor to GND sets the charge current (2 kΩ gives 500 mA, 3.3 kΩ gives 300 mA, 10 kΩ gives 100 mA) and the pin is regulated to 1.00 V in constant-current mode."
      }
    ],
    "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 calls BAT a 'battery input' but it is functionally the charger output to the cell; pow; PROG is a resistor-programmed sense/reference node rather than a conventional input or output; 'pass; The datasheet describes CHRG as an open-drain output; 'output' was used as the closest KiCad class, "
        ],
        "pages_sent": 8,
        "cost_usd": 0.0403,
        "at": "2026-10-17T17:36:54"
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        "pages": 8,
        "sha256": "b1a31f1fa8b21e68",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-17",
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        "sha256": "9671f0d649ecf0a2a67fdcd57018474a712e1bba6261f3bda0d4bba9750e97bb",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "YONGYUTAI",
      "Package": "SOT-23-5L",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b1a31f1fa8b21e68be3d7af3a732602450ec82e7e03b8b17164ab90a1f418485",
      "rows": [
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          "name": "VDD 工作电压 (VDD operating voltage)",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": 5,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输入电源电流, 充电模式 (Input supply current, charge mode)",
          "symbol": "IVDD-IBAT",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 150,
          "max": 360,
          "conditions": "Charge mode (RPROG=4K)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输入电源电流, 待机模式 (Input supply current, standby, charge terminated)",
          "symbol": "IVDD-IBAT",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 75,
          "max": 180,
          "conditions": "Standby mode (charge terminated)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输入电源电流, 停机模式 (Input supply current, shutdown)",
          "symbol": "IVDD-IBAT",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "RPROG unconnected, VDD<VBAT, VDD<VUVLO; CE=GND, OVP",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD 欠压闭锁门限 (VDD undervoltage lockout threshold)",
          "symbol": "VUV",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": 3.7,
          "max": 4.2,
          "conditions": "VDD low to high",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "恒流时 PROG 电压 (PROG voltage in constant current)",
          "symbol": "VPROG2",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": 1,
          "max": 1.1,
          "conditions": "VDD=5V, RPROG=4K",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "BAT 端充电电流 (BAT charge current)",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "mA",
          "min": 450,
          "typ": 500,
          "max": 550,
          "conditions": "VDD=5V; VBAT=3.9V; RPROG=2K",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "BAT 端充电电流 (BAT charge current)",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "mA",
          "min": 270,
          "typ": 300,
          "max": 330,
          "conditions": "VDD=5V; VBAT=3.9V; RPROG=3.3K",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "BAT 端充电电流 (BAT charge current)",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "mA",
          "min": 90,
          "typ": 100,
          "max": 110,
          "conditions": "VDD=5V; VBAT=3.9V; RPROG=10K",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "电池漏电流, VDD 悬空或接地 (Battery leakage current, VDD floating or grounded)",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.1,
          "max": 3,
          "conditions": "VDD floating or grounded, VBAT=4.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "涓流充电电流 (Trickle charge current)",
          "symbol": "ITRIKL",
          "kind": "electrical",
          "unit": "mA",
          "min": 35,
          "typ": 50,
          "max": 65,
          "conditions": "VBAT<VTRIKL, RPROG=2K",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "C/10 充电终止电流 (C/10 charge termination current)",
          "symbol": "ITERM",
          "kind": "electrical",
          "unit": "mA",
          "min": 35,
          "typ": 50,
          "max": 65,
          "conditions": "RPROG=2K",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "涓流充电检测电压 (Trickle charge detection voltage)",
          "symbol": "VTRKL",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": 2.9,
          "max": 3,
          "conditions": "VBAT low to high",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "充满检测电压 (Full-charge detection voltage)",
          "symbol": "VFLOAT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.158,
          "typ": 4.2,
          "max": 4.242,
          "conditions": "VDD=5V, RPROG=2K",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "充满检测延时 (Full-charge detection delay)",
          "symbol": "TDELAY",
          "kind": "timing",
          "unit": "ms",
          "min": 0.6,
          "typ": 1.5,
          "max": 3,
          "conditions": "IBAT falls below 0.1ICHR",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "再充电检测延时 (Recharge detection delay)",
          "symbol": "TECHARGE",
          "kind": "timing",
          "unit": "ms",
          "min": 0.6,
          "typ": 1.5,
          "max": 3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CHRG 引脚输出低电平 (CHRG output low voltage)",
          "symbol": "VCHRGL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 50,
          "max": 100,
          "conditions": "ICHRG=5mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD 管脚输入电压 (VDD input pin voltage)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 9,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CHRG 管脚输入电压 (CHRG input pin voltage)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 9,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "BAT 管脚输入电压 (BAT input pin voltage)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 9,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PROG 管脚输入电压 (PROG input pin voltage)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 9,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "工作环境温度 (Operating ambient temperature)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "最大结温度 (Maximum junction temperature)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "存储温度 (Storage temperature)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "封装热阻 结到环境 (Package thermal resistance, junction to ambient)",
          "symbol": "RthJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 190,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD 人体模式 (ESD HBM)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "TP4054A (YONGYUTAI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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