component
ATA5279C-WGQW
Public Made by Adomby adom
Microchip Tech RF Chips, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"version": "0.1.0",
"type": "component",
"description": "Microchip Tech RF Chips, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
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"rf & radio",
"ata5279c-wgqw",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
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"component": {
"mpn": "ATA5279C-WGQW",
"manufacturer": "Microchip Tech",
"package": "VQFN-48-EP(7x7)",
"pin_count": 49,
"category": "RF & Radio",
"subcategory": "RF Chips",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/18bc43e3873c8337fa8505c879e1c99a.pdf",
"parts": {
"symbol": "ata5279c-wgqw.kicad_sym",
"footprint": "ata5279c-wgqw.kicad_mod",
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"lbr": "ata5279c-wgqw.lbr"
},
"distributor_links": {
"lcsc": "C2654833",
"mouser": "556-ATA5279C-WGQW"
},
"distributor_check": {
"checked_at": "2026-11-02T17:31:51Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
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"pn": "556-ATA5279C-WGQW",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VS",
"type": "power_in",
"description": "Battery supply pin, specified for normal operation from 7 V to 16.5 V and jump start up to 26.5 V."
},
{
"number": "2",
"name": "RGND",
"type": "power_in",
"description": "Reference ground pin for the internal reference and integrator circuitry."
},
{
"number": "3",
"name": "CINT",
"type": "passive",
"description": "Integration capacitor connection for the integrator stage."
},
{
"number": "4",
"name": "VCC",
"type": "power_out",
"description": "Analog 5V stabilization capacitor connection, with internal VCC specified at 4.8 V to 5.3 V in idle mode."
},
{
"number": "5",
"name": "VSHS",
"type": "input",
"description": "Shunt resistor voltage sense input to the zero cross detector and integrator."
},
{
"number": "6",
"name": "VIF",
"type": "power_in",
"description": "Digital supply voltage input for the SPI and control interface, with absolute maximum rating of 5.5 V."
},
{
"number": "7",
"name": "OSCI",
"type": "input",
"description": "Oscillator input pin for the external clock, with frequency range 6.4 MHz to 9.6 MHz."
},
{
"number": "8",
"name": "OSCO",
"type": "output",
"description": "Oscillator output pin driving the clock network."
},
{
"number": "9",
"name": "MACT",
"type": "output",
"description": "Modulator active indicator output pin."
},
{
"number": "10",
"name": "BCNT",
"type": "output",
"description": "LF-bit counter output pin."
},
{
"number": "11",
"name": "VSHF1",
"type": "passive",
"description": "Shunt resistor driving pin 1 for the return line shunt."
},
{
"number": "12",
"name": "A6N1",
"type": "passive",
"description": "Coil 6 negative connection line pin 1."
},
{
"number": "13",
"name": "A6N2",
"type": "passive",
"description": "Coil 6 negative connection line pin 2."
},
{
"number": "14",
"name": "A3N1",
"type": "passive",
"description": "Coil 3 negative connection line pin 1."
},
{
"number": "15",
"name": "A3N2",
"type": "passive",
"description": "Coil 3 negative connection line pin 2."
},
{
"number": "16",
"name": "A5N1",
"type": "passive",
"description": "Coil 5 negative connection line pin 1."
},
{
"number": "17",
"name": "A5N2",
"type": "passive",
"description": "Coil 5 negative connection line pin 2."
},
{
"number": "18",
"name": "VSHF2",
"type": "passive",
"description": "Shunt resistor driving pin 2 for the return line shunt."
},
{
"number": "19",
"name": "A2N1",
"type": "passive",
"description": "Coil 2 negative connection line pin 1."
},
{
"number": "20",
"name": "A2N2",
"type": "passive",
"description": "Coil 2 negative connection line pin 2."
},
{
"number": "21",
"name": "VDS1",
"type": "power_in",
"description": "Driver supply pin 1 for the coil driver stages, with VDS operation threshold of 5.1 V to 6 V."
},
{
"number": "22",
"name": "A4N1",
"type": "passive",
"description": "Coil 4 negative connection line pin 1."
},
{
"number": "23",
"name": "A4N2",
"type": "passive",
"description": "Coil 4 negative connection line pin 2."
},
{
"number": "24",
"name": "A1N1",
"type": "passive",
"description": "Coil 1 negative connection line pin 1."
},
{
"number": "25",
"name": "A1N2",
"type": "passive",
"description": "Coil 1 negative connection line pin 2."
},
{
"number": "26",
"name": "A1P",
"type": "passive",
"description": "Coil 1 positive connection line pin."
},
{
"number": "27",
"name": "VDS2",
"type": "power_in",
"description": "Driver supply pin 2 for the coil driver stages."
},
{
"number": "28",
"name": "AGND1",
"type": "power_in",
"description": "Driver ground pin 1."
},
{
"number": "29",
"name": "A4P",
"type": "passive",
"description": "Coil 4 positive connection line pin."
},
{
"number": "30",
"name": "A2P",
"type": "passive",
"description": "Coil 2 positive connection line pin."
},
{
"number": "31",
"name": "AGND2",
"type": "power_in",
"description": "Driver ground pin 2."
},
{
"number": "32",
"name": "A5P",
"type": "passive",
"description": "Coil 5 positive connection line pin."
},
{
"number": "33",
"name": "A3P",
"type": "passive",
"description": "Coil 3 positive connection line pin."
},
{
"number": "34",
"name": "A6P",
"type": "passive",
"description": "Coil 6 positive connection line pin."
},
{
"number": "35",
"name": "AGND3",
"type": "power_in",
"description": "Driver ground pin 3."
},
{
"number": "36",
"name": "MISO",
"type": "tri_state",
"description": "Master-In-Slave-Out SPI output pin, which is tri-state when the chip select is inactive."
},
{
"number": "37",
"name": "MOSI",
"type": "input",
"description": "Master-Out-Slave-In SPI input pin."
},
{
"number": "38",
"name": "S_CS",
"type": "input",
"description": "SPI chip select pin; a logic high wakes the chip from power-down mode."
},
{
"number": "39",
"name": "S_CLK",
"type": "input",
"description": "SPI clock input pin."
},
{
"number": "40",
"name": "NRES",
"type": "input",
"description": "Chip reset input pin; a negative pulse of at least 100 ns enters power-down mode."
},
{
"number": "41",
"name": "IRQ",
"type": "output",
"description": "Interrupt request output pin."
},
{
"number": "42",
"name": "VDS3",
"type": "power_in",
"description": "Driver supply pin 3 for the coil driver stages."
},
{
"number": "43",
"name": "PGND1",
"type": "power_in",
"description": "Boost converter low-side switch output 1, connected to ground."
},
{
"number": "44",
"name": "VL1",
"type": "input",
"description": "Boost converter low-side switch input 1."
},
{
"number": "45",
"name": "PGND2",
"type": "power_in",
"description": "Boost converter low-side switch output 2, connected to ground."
},
{
"number": "46",
"name": "VL2",
"type": "input",
"description": "Boost converter low-side switch input 2."
},
{
"number": "47",
"name": "PGND3",
"type": "power_in",
"description": "Boost converter low-side switch output 3, connected to ground."
},
{
"number": "48",
"name": "VL3",
"type": "input",
"description": "Boost converter low-side switch input 3, with switch overcurrent shutdown level of 2.9 A to 4 A."
},
{
"number": "49",
"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 heat slug is listed in Table 2-1 as PGND backside ground but has no printed pin number, "
],
"pages_sent": 15,
"cost_usd": 0.0392,
"at": "2026-11-02T17:31:39"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/18bc43e3873c8337fa8505c879e1c99a.pdf",
"pages": 37,
"sha256": "accba594bf46d502",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"models_3d": [
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"role": "plain",
"up": "Z",
"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": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ata5279c-wgqw-etched.step",
"role": "eda",
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"origin": "footprint origin = pad-pattern centre",
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"sha256": "04f7ff6a4730bbb238afe8b8a7b67f3f610783d2856cd70bdf5090240f005a27",
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}
}