component
LP7812AQVF
Public Made by Adomby adom
LOWPOWER Battery Management, QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "lp7812aqvf",
"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)",
"lp7812aqvf",
"factory-2.0.0",
"extractor-text"
],
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"component": {
"mpn": "LP7812AQVF",
"manufacturer": "LOWPOWER",
"package": "QFN-16-EP(3x3)",
"pin_count": 17,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/541cb31699073177a6f85c2aa7d93423.pdf",
"parts": {
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"lbr": "lp7812aqvf.lbr"
},
"distributor_links": {
"lcsc": "C47345746"
},
"distributor_check": {
"checked_at": "2026-10-17T20:55:55Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VIN",
"type": "power_in",
"description": "USB input pin; the datasheet recommends a decoupling capacitor of at least 1 µF placed close to the pin, and VIN to GND is rated -0.3 V to 28 V."
},
{
"number": "2",
"name": "ISET",
"type": "passive",
"description": "Charge current setting pin; the external RISET sets the constant charge current as ICC = 480/RISET (A), with a recommended range of 100 mA to 800 mA."
},
{
"number": "3",
"name": "LED1",
"type": "output",
"description": "LED1 driver pin, rated at 7 mA sink (VLED = 0.4 V) and 7 mA source (VLED = 3.4 V) in the electrical table."
},
{
"number": "4",
"name": "LED2",
"type": "output",
"description": "LED2 driver pin, rated at 7 mA sink (VLED = 0.4 V) and 7 mA source (VLED = 3.4 V) in the electrical table."
},
{
"number": "5",
"name": "HALL",
"type": "input",
"description": "Hall sensor detection input for the lid open/close state, with logic high at 1.8 V minimum and logic low at 0.4 V maximum, and a 30 ms open debounce."
},
{
"number": "6",
"name": "KEY",
"type": "input",
"description": "Multiplexed pin that must not float: it needs a 1% resistor to ground that sets the earphone charge current (EICC = 50000/R3 A) and it also serves as an active-high key detection input."
},
{
"number": "7",
"name": "NTC",
"type": "input",
"description": "NTC temperature sense input, which must use a resistor matched to the thermistor (β = 3950 recommended), and it controls charging between 0 °C and 45 °C."
},
{
"number": "8",
"name": "NTCS",
"type": "power_out",
"description": "NTC bias voltage output pin that supplies the NTC divider network."
},
{
"number": "9",
"name": "VOR",
"type": "power_out",
"description": "Right earphone output pin, which is weakly pulled up to PMID through a 2 µA source for earphone insertion detection and is disabled above 150 °C junction temperature."
},
{
"number": "10",
"name": "VOL",
"type": "power_out",
"description": "Left earphone output pin, which is weakly pulled up to PMID through a 2 µA source for earphone insertion detection and is disabled above 150 °C junction temperature."
},
{
"number": "11",
"name": "PMID",
"type": "power_out",
"description": "Boost converter output pin, regulated to 5.1 V typical (5.03 V to 5.17 V at 25 °C), which requires at least 10 µF filtering."
},
{
"number": "12",
"name": "SW",
"type": "output",
"description": "Boost converter switching pin, with an absolute maximum rating of -2 V to 8.5 V for 5 ns."
},
{
"number": "13",
"name": "GND",
"type": "power_in",
"description": "Boost converter power ground pin that must be connected to the power ground."
},
{
"number": "14",
"name": "NC",
"type": "unconnected",
"description": "Not connected; leave floating."
},
{
"number": "15",
"name": "BAT",
"type": "power_in",
"description": "Linear charger battery pin, which requires a decoupling capacitor placed close to the pin and a 10 µF BAT capacitance per the recommended operating conditions."
},
{
"number": "16",
"name": "NC",
"type": "unconnected",
"description": "Not connected; leave floating."
},
{
"number": "17",
"name": "GND",
"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 datasheet gives no electrical pin types (input/output/power). All ERC types were inferred from t; The thermal pad is not given a numbered pin in the datasheet. It is described only as 'Thermal Pad: ; KEY, VOL, VOR and BAT are multi-function pins (current-setting resistor and key input; earphone inse",
"exposed pad 17 added from the footprint"
],
"pages_sent": 23,
"cost_usd": 0.0732,
"at": "2026-10-17T20:54:16"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/541cb31699073177a6f85c2aa7d93423.pdf",
"pages": 23,
"sha256": "7ef1a601db3e0a99",
"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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}