LP7812CQVF

{
  "schema_version": 1,
  "type": "component",
  "slug": "lp7812cqvf",
  "title": "LP7812CQVF",
  "brief": "LOWPOWER Battery Management, QFN-16-EP(3x3). 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)",
    "lp7812cqvf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LP7812CQVF",
    "manufacturer": "LOWPOWER",
    "package": "QFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/37d2b5722debefd7e5b19c724cad880c.pdf",
    "parts": {
      "symbol": "lp7812cqvf.kicad_sym",
      "footprint": "lp7812cqvf.kicad_mod",
      "model_3d": "lp7812cqvf-hero.glb",
      "model_3d_plain": "lp7812cqvf-etched.glb",
      "model_3d_step": "lp7812cqvf-etched.step",
      "model_3d_step_plain": "lp7812cqvf.step",
      "lbr": "lp7812cqvf.lbr"
    },
    "distributor_links": {
      "lcsc": "C47345738"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T07:03:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "USB input pin; a surface-mount decoupling capacitor of at least 1uF should be placed close to it, and the input is rated up to 28V."
      },
      {
        "number": "2",
        "name": "ISET",
        "type": "passive",
        "description": "Charge current setting pin; the constant-charge current is set by an external RISET resistor, ICC = 480/RISET (A), with a recommended range of 100mA to 800mA."
      },
      {
        "number": "3",
        "name": "CTRL",
        "type": "input",
        "description": "Control pin: high selects earphone charging mode, low selects communication mode, and floating selects earphone insertion detection mode."
      },
      {
        "number": "4",
        "name": "DATA",
        "type": "output",
        "description": "Data output from the LP7812C to the MCU via a private single-wire protocol; an external pull-up resistor is required."
      },
      {
        "number": "5",
        "name": "RX",
        "type": "input",
        "description": "Bidirectional communication receive pin for earphone signals; an external pull-up resistor is required."
      },
      {
        "number": "6",
        "name": "COMM",
        "type": "bidirectional",
        "description": "Multiplexed pin: in communication mode it sends signals to VOL/VOR, and in charging mode an external resistor RCOMM sets the earphone charge current."
      },
      {
        "number": "7",
        "name": "NTC",
        "type": "input",
        "description": "NTC detection pin used to sense battery temperature for charge and discharge temperature management."
      },
      {
        "number": "8",
        "name": "NTCS",
        "type": "output",
        "description": "NTC bias voltage output pin."
      },
      {
        "number": "9",
        "name": "VOR",
        "type": "output",
        "description": "Right earphone output pin, used for earphone charging, insertion detection and communication."
      },
      {
        "number": "10",
        "name": "VOL",
        "type": "output",
        "description": "Left earphone output pin, used for earphone charging, insertion detection and communication."
      },
      {
        "number": "11",
        "name": "PMID",
        "type": "power_out",
        "description": "Boost converter output pin; the default output voltage is 5.1V and a filter capacitor of at least 10uF is required."
      },
      {
        "number": "12",
        "name": "SW",
        "type": "output",
        "description": "Boost converter switching pin; absolute maximum rating is -2V to 8.5V for 5ns."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for the boost converter."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave floating."
      },
      {
        "number": "15",
        "name": "BAT",
        "type": "power_in",
        "description": "Battery pin for linear charging; a surface-mount decoupling capacitor of at least 1uF should be placed close to it."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave floating."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 exposed thermal pad is printed only as 'Thermal PAD' with no number in the pinout table, so it i; The pinout table does not define the electrical type of each pin explicitly; types were assigned fro"
        ],
        "pages_sent": 21,
        "cost_usd": 0.0227,
        "at": "2026-10-27T07:02:56"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/37d2b5722debefd7e5b19c724cad880c.pdf",
        "pages": 21,
        "sha256": "4eb1a33340defcb5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lp7812cqvf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          3,
          0.785
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp7812cqvf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4ef096ad83f50aa518356dcf5e534aa8efc78939f5e45b8210fcb2a343b62866",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LOWPOWER",
      "Package": "QFN-16-EP(3x3)",
      "Category": "Power Management (PMIC)",
      "Pins": "17"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4eb1a33340defcb592aaa20c10696597d2ec86b28c14d607f2f5c87fd2cc6c45",
      "rows": [
        {
          "name": "VIN to GND",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Others to GND",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
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          "source": "datasheet"
        },
        {
          "name": "SW to GND (5ns)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2,
          "typ": null,
          "max": 8.5,
          "conditions": "5ns",
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        },
        {
          "name": "环境温度 (TA)",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "推荐工作条件 VIN 输入电压",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 6,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "推荐工作条件 IIN 输入电流",
          "symbol": "IIN",
          "kind": "recommended_operating",
          "unit": "A",
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          "typ": null,
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          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VINUVLO 欠压保护电压",
          "symbol": "VINUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 3.6,
          "typ": 3.8,
          "max": 4,
          "conditions": "VIN下降沿阈值",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN_OVP 过压保护电压",
          "symbol": "VIN_OVP",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": 6.2,
          "max": 6.55,
          "conditions": "VIN上升沿阈值",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCV 浮充电压",
          "symbol": "VCV",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "0°C to 60°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VTRK 涓流充电阈值",
          "symbol": "VTRK",
          "kind": "electrical",
          "unit": "V",
          "min": 2.75,
          "typ": 2.8,
          "max": 2.85,
          "conditions": "BAT 上升沿阈值",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ICC 恒流充电电流",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": 378,
          "typ": 420,
          "max": 462,
          "conditions": "-10°C to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ICC 充电电流 25°C",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": 400,
          "typ": 420,
          "max": 440,
          "conditions": "25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ICC 50% 充电电流",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": 185,
          "typ": 210,
          "max": 235,
          "conditions": "ICC=420mA, 50%ICC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ITRK 涓流充电电流",
          "symbol": "ITRK",
          "kind": "electrical",
          "unit": "mA",
          "min": 28,
          "typ": 42,
          "max": 57,
          "conditions": "ICC=420mA， RISET=1.15k， 10%",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ITERM 充电截止电流",
          "symbol": "ITERM",
          "kind": "electrical",
          "unit": "mA",
          "min": 28,
          "typ": 42,
          "max": 57,
          "conditions": "ICC=420mA, 10%ICC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VPMID 输出电压精度 25°C，LP7812CQVF",
          "symbol": "VPMID",
          "kind": "electrical",
          "unit": "V",
          "min": 5.04,
          "typ": 5.1,
          "max": 5.16,
          "conditions": "25°C，LP7812CQVF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "T-10 -10°C检测阈值 下降沿",
          "symbol": "T-10",
          "kind": "electrical",
          "unit": "%",
          "min": 84,
          "typ": 85,
          "max": 86,
          "conditions": "Temperature falling edge threshold",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "T0 0°C检测阈值 下降沿",
          "symbol": "T0",
          "kind": "electrical",
          "unit": "%",
          "min": 75.5,
          "typ": 76.5,
          "max": 77.6,
          "conditions": "Temperature falling edge threshold",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "T10 10°C检测阈值 下降沿",
          "symbol": "T10",
          "kind": "electrical",
          "unit": "%",
          "min": 66,
          "typ": 66.8,
          "max": 67.5,
          "conditions": "Temperature falling edge threshold",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "T45 45°C检测阈值 上升沿",
          "symbol": "T45",
          "kind": "electrical",
          "unit": "%",
          "min": 29,
          "typ": 30,
          "max": 31,
          "conditions": "Temperature rising edge threshold",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "T60 60°C检测阈值 上升沿",
          "symbol": "T60",
          "kind": "electrical",
          "unit": "%",
          "min": 19,
          "typ": 20,
          "max": 21,
          "conditions": "Temperature rising edge threshold",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EICC 耳机放电限流",
          "symbol": "EICC",
          "kind": "electrical",
          "unit": "mA",
          "min": 90,
          "typ": 100,
          "max": 110,
          "conditions": "RCOMM=500k,25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EEOC 耳机充电截止检测电流阈值",
          "symbol": "EEOC",
          "kind": "electrical",
          "unit": "mA",
          "min": 3,
          "typ": 4,
          "max": 5,
          "conditions": "PMID=5.1V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VBATUV 耳机充电欠压保护电压",
          "symbol": "VBATUV",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.3,
          "max": null,
          "conditions": "BAT下降阈值",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VBATUV_H BAT上升阈值",
          "symbol": "VBATUV_H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.5,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "IPUP 耳机待机上拉电流",
          "symbol": "IPUP",
          "kind": "electrical",
          "unit": "uA",
          "min": 1,
          "typ": 2,
          "max": 3,
          "conditions": "BAT=3.6V, 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VH 输入高电平",
          "symbol": "VH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VL 输入低电平",
          "symbol": "VL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "最高芯片结温 (TJ)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "最高焊接温度",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "at leads, 10 sec",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "HBM 人体模型 ESD等级",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "Human Body Model",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CDM 充电器件模型 ESD等级",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Charged Device Model",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "θJA 结到环境热阻",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VINUVLO_H 欠压保护迟滞电压",
          "symbol": "VINUVLO_H",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "VIN 上升沿阈值",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VOVP_H 过压保护迟滞电压",
          "symbol": "VOVP_H",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "VIN下降沿阈值",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "IIN 输入静态电流",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "VIN=5.0V，BAT=4.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN_DPM 输入动态电压调整阈值",
          "symbol": "VIN_DPM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4.4,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VBAT_POR 电池上电复位电压",
          "symbol": "VBAT_POR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.6,
          "max": null,
          "conditions": "VIN=0V, BAT 上升沿阈值",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VPOR_H 上电复位迟滞电压",
          "symbol": "VPOR_H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.18,
          "max": null,
          "conditions": "BAT 下降沿阈值",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "IBAT 电池静态电流",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "待机模式，BAT=3.8V,VIN=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VTRK_H 涓流充电迟滞电压",
          "symbol": "VTRK_H",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VRECH 复充电压",
          "symbol": "VRECH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4.05,
          "max": null,
          "conditions": "BAT 下降沿阈值，CV=4.2V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "充电温度保护阈值",
          "symbol": "Tj",
          "kind": "thermal",
          "unit": "°C",
          "min": 100,
          "typ": 120,
          "max": 140,
          "conditions": "Tj, Note 2 non-production data",
          "source_page": 5,
          "source": "datasheet"
        },
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