LP28400AQVF

{
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  "slug": "lp28400aqvf",
  "title": "LP28400AQVF",
  "brief": "LOWPOWER Battery Management ICs, QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "LP28400AQVF",
    "manufacturer": "LOWPOWER",
    "package": "QFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Management ICs",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3c21fb5a1ac4e86d373284224724ec77.pdf",
    "parts": {
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    "distributor_links": {
      "lcsc": "C387681"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T19:42:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "PB",
        "type": "output",
        "description": "Gate control signal for the external pass transistor, also the compensation node for Boost."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable pin, active high (chip enable VEN(ON) 1.4V, shutdown VEN(OFF) 0.4V)."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input, 3V~12V operating range, absolute maximum 18V."
      },
      {
        "number": "4",
        "name": "VL",
        "type": "power_out",
        "description": "Internal LDO output (5V typ); connect a 4.7uF decoupling capacitor to GNDP."
      },
      {
        "number": "5",
        "name": "LG",
        "type": "output",
        "description": "Low side gate driver for the outside power MOSFET."
      },
      {
        "number": "6",
        "name": "LX",
        "type": "passive",
        "description": "Switching node connection, absolute maximum 18V."
      },
      {
        "number": "7",
        "name": "GNDP",
        "type": "power_in",
        "description": "Ground for the power section."
      },
      {
        "number": "8",
        "name": "GNDA",
        "type": "power_in",
        "description": "Ground for the analog circuits."
      },
      {
        "number": "9",
        "name": "THM",
        "type": "input",
        "description": "Thermistor input; charging inhibited if VTHM<0.28*V(VL) or VTHM>0.74*V(VL), normal operation between."
      },
      {
        "number": "10",
        "name": "FULL",
        "type": "output",
        "description": "Battery full indication pin, active low."
      },
      {
        "number": "11",
        "name": "STAT",
        "type": "output",
        "description": "Indicates charge status, active low when charging is on (open drain)."
      },
      {
        "number": "12",
        "name": "REG",
        "type": "input",
        "description": "Input voltage feedback for the input voltage regulation loop (reference 1V typ)."
      },
      {
        "number": "13",
        "name": "VB",
        "type": "power_in",
        "description": "Programmable battery-full voltage: connect to GND for 8.8V, float for 8.4V, connect to VL for 8.7V."
      },
      {
        "number": "14",
        "name": "CELLS",
        "type": "input",
        "description": "Cell selection: connect to GND for 3 cells, float for 2 cells, connect to VL for 4 cells."
      },
      {
        "number": "15",
        "name": "RS",
        "type": "input",
        "description": "Charge current sense input (with VBAT across RSENSE); indicates charging terminated."
      },
      {
        "number": "16",
        "name": "VBAT",
        "type": "power_in",
        "description": "Sense pin for battery voltage."
      },
      {
        "number": "17",
        "name": "GNDP",
        "type": "power_in",
        "description": "Exposed pad, ground for the power section."
      }
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  "metadata": {
    "specs": {
      "Manufacturer": "LOWPOWER",
      "Package": "QFN-16-EP(3x3)",
      "Category": "Power Management ICs",
      "Pins": "17"
    },
    "characteristics": {
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          "name": "Internal LDO output",
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          "max": 5.1,
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          "name": "Program charging current sense voltage",
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          "max": 52.5,
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          "name": "Thermal protection",
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        {
          "name": "UVLO input voltage threshold",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.65,
          "max": null,
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        {
          "name": "Quiescent current",
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          "min": null,
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          "max": 1,
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        {
          "name": "Battery leakage current",
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          "kind": "electrical",
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          "min": null,
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          "max": -10,
          "conditions": "VBAT=8.4V, VIN=NC",
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          "name": "Battery leakage current",
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          "max": -35,
          "conditions": "VBAT=8.4V, VIN=5V",
          "source_page": 5,
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        },
        {
          "name": "Charge current limit",
          "symbol": "IBATLIMIT",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "VIN=5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CV voltage",
          "symbol": "V(VBAT)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 8.4,
          "max": null,
          "conditions": "",
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        {
          "name": "Recharge threshold",
          "symbol": "V(VBAT)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "",
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        {
          "name": "End of charge threshold",
          "symbol": "V(RS,VBAT)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "From Rs to VBAT",
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        },
        {
          "name": "Trickle charge voltage threshold",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 6,
          "max": null,
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          "name": "Trickle charge current",
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          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "From Rs to VBAT",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "LX",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "Chip enable",
          "symbol": "VEN(ON)",
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          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": null,
          "conditions": "",
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        {
          "name": "Chip shutdown",
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          "min": null,
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          "max": 0.4,
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        {
          "name": "STAT low level",
          "symbol": "STAT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "Open drain pulled up with 5mA",
          "source_page": 5,
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        {
          "name": "Low side Rdson",
          "symbol": "R(LX,GND)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "From LX to GND",
          "source_page": 5,
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        },
        {
          "name": "Maximum voltage VIN, LX, RS, VBAT, PB to GND",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
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        {
          "name": "Maximum voltage VL to GND",
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          "min": -0.3,
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        {
          "name": "Maximum voltage REG, STAT to GND",
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          "unit": "V",
          "min": -0.3,
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          "name": "Maximum junction temperature",
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          "name": "Operating junction temperature range",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Maximum soldering temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "at leads, 10 sec",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "ESD HBM",
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          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "ESD MM",
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          "min": null,
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          "max": 200,
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        {
          "name": "Input voltage range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 12,
          "conditions": "",
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