LP28400AQVF

{
  "slug": "lp28400aqvf",
  "version": "0.1.0",
  "type": "component",
  "description": "LOWPOWER Battery Management ICs, QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "power management ics",
    "lp28400aqvf",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "lp28400aqvf.glb",
    "lp28400aqvf.step",
    "lp28400aqvf.lbr",
    "docs/hero.png",
    "docs/lp28400aqvf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "lp28400aqvf-hero.overlay.json",
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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": {
      "symbol": "lp28400aqvf.kicad_sym",
      "footprint": "lp28400aqvf.kicad_mod",
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      "model_3d_plain": "lp28400aqvf-etched.glb",
      "model_3d_step": "lp28400aqvf-etched.step",
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      "lbr": "lp28400aqvf.lbr"
    },
    "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"
      }
    },
    "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."
      }
    ],
    "provenance": {
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        "primary_model": "claude-sonnet-5-5",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 17 is listed with GNDP as the exposed pad in the table (7,17); datasheet does not explicitly say; The datasheet's pin table mixes the ESOP8 and QFN-16 columns; the QFN-16 numbers were taken from the"
        ],
        "pages_sent": 10,
        "cost_usd": 0.081,
        "at": "2026-10-22T19:41:22"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3c21fb5a1ac4e86d373284224724ec77.pdf",
        "pages": 10,
        "sha256": "34513366435206d0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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  }
}