TP4584B

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  "type": "component",
  "slug": "tp4584b",
  "title": "TP4584B",
  "brief": "TPOWER Battery Management, ESOP8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
    "tp4584b",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "TP4584B",
    "manufacturer": "TPOWER",
    "package": "ESOP8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904281065611264",
    "parts": {
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      "lbr": "tp4584b.lbr"
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    "distributor_links": {
      "lcsc": "C5464795"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:20:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Charging input supply, recommended 4.5 V to 5.5 V (5 V typical), with an input overvoltage protection threshold of 6 V."
      },
      {
        "number": "2",
        "name": "LED1",
        "type": "output",
        "description": "Battery-level indicator LED driver (about 1.4 mA at VBAT=4 V); it flashes at 1 Hz while charging the current level, and at 2 Hz as a fast-flash low-battery warning when BAT falls below 3.05 V."
      },
      {
        "number": "3",
        "name": "LED2",
        "type": "output",
        "description": "Battery-level indicator LED driver (about 1.4 mA at VBAT=4 V) that shows charge and discharge state together with LED1 and LED3."
      },
      {
        "number": "4",
        "name": "LED3",
        "type": "output",
        "description": "Battery-level indicator LED driver (about 1.4 mA at VBAT=4 V) that shows charge and discharge state together with LED1 and LED2."
      },
      {
        "number": "5",
        "name": "SWT",
        "type": "input",
        "description": "Push-button input: a single click (longer than 50 ms) turns the boost output on and shows battery level, and a double click within 500 ms turns it off; it has an internal pull-up of about 30 uA at VBAT=3.7 V."
      },
      {
        "number": "6",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Lithium-ion battery positive terminal used for linear charging (250 mA constant current, 4.2 V float) and as the boost discharge input, with BAT undervoltage lockout at 3.15 V rising."
      },
      {
        "number": "7",
        "name": "SW",
        "type": "passive",
        "description": "Boost converter power switch node, which must connect to inductor L1 with a short, wide trace kept close to the BAT capacitor."
      },
      {
        "number": "8",
        "name": "OUT",
        "type": "power_out",
        "description": "Boost regulated output (5 V nominal, 4.8 V to 5.2 V at 0.5 A load) with output overvoltage protection at 5.25 V and an output current limit of 500 mA maximum."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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          "exposed pad 9 added from the footprint"
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        "at": "2026-10-17T14:18:33"
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  "metadata": {
    "specs": {
      "Manufacturer": "TPOWER",
      "Package": "ESOP8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
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          "name": "BAT 放电终止电压",
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          "name": "BAT 待机电流",
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          "name": "自动关机时对应的输出电流",
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