LP4068B5F

{
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  "type": "component",
  "slug": "lp4068b5f",
  "title": "LP4068B5F",
  "brief": "LOWPOWER Battery Management ICs, 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",
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    "power management ics",
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  "component": {
    "mpn": "LP4068B5F",
    "manufacturer": "LOWPOWER",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management ICs",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3cf78c65c35bcc341d99f0c09aee65a2.pdf",
    "parts": {
      "symbol": "lp4068b5f.kicad_sym",
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      "lbr": "lp4068b5f.lbr"
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    "distributor_links": {
      "lcsc": "C517034"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T23:06:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 706 calls left today"
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        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge status output that is pulled low by an internal NMOS while the battery is charging and can be pulled high by an external resistor when the charge cycle is completed."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Connection to system ground."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Connection to the battery; typically a 10µF tantalum capacitor is needed for stability with no battery attached, and only a 1µF ceramic capacitor when a battery is attached."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Input power source connected to a wall adapter, with a 4.5V to 6V input voltage range and 6.5V over-voltage protection threshold."
      },
      {
        "number": "5",
        "name": "ISET",
        "type": "passive",
        "description": "Charge current program pin; the charge current is set by connecting a 1% resistor (RISET) to ground, with the pin at 1V in current mode."
      }
    ],
    "provenance": {
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        "guard_notes": [
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        "described": 5,
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "LOWPOWER",
      "Package": "SOT-23-5",
      "Category": "Power Management ICs",
      "Pins": "5"
    },
    "characteristics": {
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          "max": 6,
          "conditions": "TA=25°C",
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          "conditions": "IBAT=40mA",
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        {
          "name": "Other pin to GND",
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        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ",
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          "unit": "°C",
          "min": null,
          "typ": null,
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        {
          "name": "Maximum Soldering Temperature",
          "symbol": "",
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          "unit": "°C",
          "min": null,
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        {
          "name": "Operating Junction Temperature Range",
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          "name": "Storage Temperature",
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          "typ": null,
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        },
        {
          "name": "Maximum Power Dissipation",
          "symbol": "PD",
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          "unit": "W",
          "min": null,
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          "conditions": "TA=25°C",
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        {
          "name": "Thermal Resistance",
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          "name": "ESD HBM",
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          "conditions": "Human Body Mode",
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        },
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        {
          "name": "Input Supply Current",
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        {
          "name": "VIN Under Voltage Lockout Threshold",
          "symbol": "VUV",
          "kind": "electrical",
          "unit": "V",
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          "max": null,
          "conditions": "From VIN Low to High",
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        {
          "name": "Input Voltage OVP",
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          "kind": "electrical",
          "unit": "V",
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          "typ": 6.5,
          "max": null,
          "conditions": "VIN Rising",
          "source_page": 5,
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        {
          "name": "OVP Hysteresis",
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          "kind": "electrical",
          "unit": "mV",
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        {
          "name": "BAT Pin Current",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "RISET=3.4k, Current Mode",
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        {
          "name": "BAT Pin Current",
          "symbol": "IBAT",
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          "typ": 100,
          "max": null,
          "conditions": "RISET=17k, Current Mode",
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        {
          "name": "BAT Pin Current",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VBAT=4.2V (VIN=float or 0V)",
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        },
        {
          "name": "Trickle Charge Current",
          "symbol": "ITRIKL",
          "kind": "electrical",
          "unit": "%IBAT",
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          "typ": 10,
          "max": null,
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        {
          "name": "Trickle Charge Threshold Voltage",
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          "kind": "electrical",
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          "max": null,
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        {
          "name": "Trickle Charge Hysteresis Voltage",
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          "kind": "electrical",
          "unit": "mV",
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          "typ": 150,
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          "conditions": "",
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        {
          "name": "Termination Current Threshold",
          "symbol": "ITERM",
          "kind": "electrical",
          "unit": "%IBAT",
          "min": null,
          "typ": 10,
          "max": null,
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        {
          "name": "ISET Pin Voltage",
          "symbol": "VISET",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "RISET=10k, Current Mode",
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        },
        {
          "name": "CHRG Pin Weak Pull-Down Current",
          "symbol": "ICHRG",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "VCHRG=5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CHRG Pin Output Low Voltage",
          "symbol": "VCHRG",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "ICHRG=5mA",
          "source_page": 5,
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        },
        {
          "name": "Recharge Battery Threshold Voltage",
          "symbol": "ΔVRECHRG",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "VFLOAT-VRECHRG",
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        },
        {
          "name": "Junction Temperature in Constant Temperature Mode",
          "symbol": "TLIM",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 125,
          "max": null,
          "conditions": "",
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        }
      ]
    }
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    "name": "Ray",
    "email": "[email protected]"
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