LP7812CQVF

{
  "slug": "lp7812cqvf",
  "version": "0.1.0",
  "type": "component",
  "description": "LOWPOWER Battery Management, QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lp7812cqvf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lp7812cqvf.kicad_sym",
    "lp7812cqvf.kicad_mod",
    "lp7812cqvf.glb",
    "lp7812cqvf.step",
    "lp7812cqvf.lbr",
    "docs/hero.png",
    "docs/lp7812cqvf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lp7812cqvf-hero.glb",
    "lp7812cqvf-hero.overlay.json",
    "lp7812cqvf-etched.glb"
  ],
  "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": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "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": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4ef096ad83f50aa518356dcf5e534aa8efc78939f5e45b8210fcb2a343b62866",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}