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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"title": "LP7812AQVF",
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"version": "0.1.0",
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"manufacturer": "LOWPOWER",
"package": "QFN-16-EP(3x3)",
"pin_count": 17,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
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"source": "Component Ocean /api/assign-pns",
"digikey": {
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"status": "quota"
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"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)."
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"name": "Under-voltage lockout threshold (VIN falling)",
"symbol": "VINUVLO",
"kind": "electrical",
"unit": "V",
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"conditions": "-10℃ to 85℃",
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"kind": "electrical",
"unit": "℃",
"min": 100,
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"min": 5.03,
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"max": 5.17,
"conditions": "25℃",
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{
"name": "NTC -10℃ detection threshold (falling)",
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"kind": "electrical",
"unit": "%",
"min": 84,
"typ": 85,
"max": 86,
"conditions": "温度下降时",
"source_page": 6,
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{
"name": "NTC 0℃ detection threshold (falling)",
"symbol": "T0",
"kind": "electrical",
"unit": "%",
"min": 75.5,
"typ": 76.5,
"max": 77.6,
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"min": 66,
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{
"name": "NTC 45℃ detection threshold (rising)",
"symbol": "T45",
"kind": "electrical",
"unit": "%",
"min": 29,
"typ": 30,
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"kind": "electrical",
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"min": 19,
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{
"name": "Earphone discharge current limit",
"symbol": "EICC",
"kind": "electrical",
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"min": 90,
"typ": 100,
"max": 110,
"conditions": "RKEY=500k,25℃",
"source_page": 6,
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{
"name": "Earphone end-of-charge detection current threshold",
"symbol": "EEOC",
"kind": "electrical",
"unit": "mA",
"min": 3,
"typ": 4,
"max": 5,
"conditions": "PMID=5.1V",
"source_page": 6,
"source": "datasheet"
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{
"name": "Earphone standby pull-up current",
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"conditions": "BAT=3.6V, 25℃",
"source_page": 7,
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"kind": "recommended_operating",
"unit": "V",
"min": 4,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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"min": -40,
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{
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"name": "Maximum soldering temperature",
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"min": null,
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"conditions": "at leads, 10 sec",
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"kind": "absolute_maximum",
"unit": "kV",
"min": null,
"typ": null,
"max": 4,
"conditions": "Human Body Model",
"source_page": 4,
"source": "datasheet"
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{
"name": "ESD CDM rating",
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"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 500,
"conditions": "Charged Device Model",
"source_page": 4,
"source": "datasheet"
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{
"name": "Junction-to-ambient thermal resistance",
"symbol": "θJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 60,
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"conditions": "",
"source_page": 4,
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