component
LM26480QSQX-AA
Public Made by Adomby adom
Texas Instruments DC-DC Converters, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "lm26480qsqx-aa",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments DC-DC Converters, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
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"power supply chip",
"lm26480qsqx-aa",
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"component": {
"mpn": "LM26480QSQX-AA",
"manufacturer": "Texas Instruments",
"package": "WQFN-24-EP(4x4)",
"pin_count": 25,
"category": "Power Supply Chip",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.ti.com/cn/lit/gpn/lm26480-q1",
"parts": {
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"lbr": "lm26480qsqx-aa.lbr"
},
"distributor_links": {
"lcsc": "C2867387"
},
"distributor_check": {
"checked_at": "2026-10-11T11:15:17Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VINLDO12",
"type": "power_in",
"description": "Analog power input for internal functions (VREF, BIAS, I2C, logic) that is always powered, with VIN specified at 2.8 V to 5.5 V and an absolute maximum of 6 V."
},
{
"number": "2",
"name": "SYNC",
"type": "input",
"description": "Frequency synchronization input that allows an external clock to synchronize the internal oscillator; it defaults to off and must be grounded when not used."
},
{
"number": "3",
"name": "NPOR",
"type": "output",
"description": "Open-drain power-on reset output for Buck1 and Buck2 that is pulled to ground when either supply is not good and requires a 100-kΩ pullup."
},
{
"number": "4",
"name": "GND_SW1",
"type": "power_in",
"description": "Buck1 NMOS power ground."
},
{
"number": "5",
"name": "SW1",
"type": "output",
"description": "Buck1 switcher output pin."
},
{
"number": "6",
"name": "VIN1",
"type": "power_in",
"description": "Power input from a DC source or battery to Buck1, with VIN specified at 2.8 V to 5.5 V."
},
{
"number": "7",
"name": "ENSW1",
"type": "input",
"description": "Enable pin for Buck1 where a logic HIGH enables Buck1, and the pin cannot be left floating."
},
{
"number": "8",
"name": "FB1",
"type": "input",
"description": "Buck1 input feedback terminal."
},
{
"number": "9",
"name": "GND_C",
"type": "power_in",
"description": "Non-switching core ground pin."
},
{
"number": "10",
"name": "AVDD",
"type": "power_in",
"description": "Analog power for the buck converters that is always powered, with VIN specified at 2.8 V to 5.5 V."
},
{
"number": "11",
"name": "FB2",
"type": "input",
"description": "Buck2 input feedback terminal."
},
{
"number": "12",
"name": "ENSW2",
"type": "input",
"description": "Enable pin for Buck2 where a logic HIGH enables Buck2, and the pin cannot be left floating."
},
{
"number": "13",
"name": "VIN2",
"type": "power_in",
"description": "Power input from a DC source or battery to Buck2, with VIN specified at 2.8 V to 5.5 V."
},
{
"number": "14",
"name": "SW2",
"type": "output",
"description": "Buck2 switcher output pin."
},
{
"number": "15",
"name": "GND_SW2",
"type": "power_in",
"description": "Buck2 NMOS power ground."
},
{
"number": "16",
"name": "ENLDO2",
"type": "input",
"description": "LDO2 enable pin where a logic HIGH enables LDO2, and the pin cannot be left floating."
},
{
"number": "17",
"name": "ENLDO1",
"type": "input",
"description": "LDO1 enable pin where a logic HIGH enables LDO1, and the pin cannot be left floating."
},
{
"number": "18",
"name": "GND_L",
"type": "power_in",
"description": "LDO ground pin."
},
{
"number": "19",
"name": "VINLDO1",
"type": "power_in",
"description": "Power input from a DC source or battery to LDO1; when enabled, the minimum VIN is 1.74 V."
},
{
"number": "20",
"name": "LDO1",
"type": "power_out",
"description": "LDO1 regulator output."
},
{
"number": "21",
"name": "FBL1",
"type": "input",
"description": "LDO1 feedback terminal."
},
{
"number": "22",
"name": "FBL2",
"type": "input",
"description": "LDO2 feedback terminal."
},
{
"number": "23",
"name": "LDO2",
"type": "power_out",
"description": "LDO2 regulator output."
},
{
"number": "24",
"name": "VINLDO2",
"type": "power_in",
"description": "Power input from a DC source or battery to LDO2; when enabled, the minimum VIN is 1.74 V."
},
{
"number": "25",
"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 pad is not numbered on the package. It is listed as 'DAP' in the datasheet pin table and; The datasheet is the LM26480-Q1 automotive device. The orderable part LM26480QSQX-AA/NOPB appears in; Pin 20 and pin 23 are named 'LDO1' and 'LDO2' in the pin table, while the pin list elsewhere uses VO",
"exposed pad 25 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 8,
"cost_usd": 0.0634,
"at": "2026-10-11T11:15:01"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/lm26480-q1",
"pages": 42,
"sha256": "54ee9b099cf1e688",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
"checked": "2026-10-11",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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}