component
MPQ2908AGL-Z
Public Made by Adomby adom
Monolithic Power Systems DC-DC Converters, QFN-20(3x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274
{
"slug": "mpq2908agl-z",
"version": "0.1.0",
"type": "component",
"description": "Monolithic Power Systems DC-DC Converters, QFN-20(3x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management (pmic)",
"mpq2908agl-z",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"mpq2908agl-z.kicad_sym",
"mpq2908agl-z.kicad_mod",
"mpq2908agl-z.glb",
"mpq2908agl-z.step",
"mpq2908agl-z.lbr",
"docs/hero.png",
"docs/mpq2908agl-z-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"mpq2908agl-z-hero.glb",
"mpq2908agl-z-hero.overlay.json",
"mpq2908agl-z-etched.glb"
],
"component": {
"mpn": "MPQ2908AGL-Z",
"manufacturer": "Monolithic Power Systems",
"package": "QFN-20(3x4)",
"pin_count": 21,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602673990050213888",
"parts": {
"symbol": "mpq2908agl-z.kicad_sym",
"footprint": "mpq2908agl-z.kicad_mod",
"model_3d": "mpq2908agl-z-hero.glb",
"model_3d_plain": "mpq2908agl-z-etched.glb",
"model_3d_step": "mpq2908agl-z-etched.step",
"model_3d_step_plain": "mpq2908agl-z.step",
"lbr": "mpq2908agl-z.lbr"
},
"distributor_links": {
"lcsc": "C5799747",
"digikey": "MPQ2908AGL-Z-ND",
"mouser": "946-MPQ2908AGL-Z"
},
"distributor_check": {
"checked_at": "2026-10-20T22:06:57Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "MPQ2908AGL-Z-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "946-MPQ2908AGL-Z",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VCC2",
"type": "power_in",
"description": "External supply input for the internal VCC1 regulator; VCC2 above 4.7V disables the VIN-powered regulator and no supply greater than 12V may be connected."
},
{
"number": "2",
"name": "VCC1",
"type": "power_out",
"description": "Internal bias supply that requires a ≥1µF decoupling capacitor between VCC1 and PGND."
},
{
"number": "3",
"name": "SGND",
"type": "power_in",
"description": "Low-noise ground reference that should be connected to the VOUT side of the output capacitors."
},
{
"number": "4",
"name": "SS",
"type": "passive",
"description": "Soft-start control input; an external capacitor from SS to SGND sets the soft-start period, charged by a 4µA internal source."
},
{
"number": "5",
"name": "COMP",
"type": "passive",
"description": "Regulation loop compensation pin, where an R-C network is connected from COMP to SGND."
},
{
"number": "6",
"name": "FB",
"type": "input",
"description": "Feedback input to the error amplifier, compared against the internal 0.8V reference to set the output voltage."
},
{
"number": "7",
"name": "CCM/AAM",
"type": "input",
"description": "Floating or tying to VCC1 selects CCM operation, while a resistor to SGND giving at least 480mV selects AAM mode."
},
{
"number": "8",
"name": "FREQ",
"type": "passive",
"description": "A resistor from FREQ to SGND sets the switching frequency, programmable from 100kHz to 1000kHz."
},
{
"number": "9",
"name": "PG",
"type": "output",
"description": "Open-drain power good output that is pulled low when the output is outside ±10% of nominal and should connect through a resistor (e.g. 100kΩ) to a source no more than 5V."
},
{
"number": "10",
"name": "ILIM",
"type": "input",
"description": "Sets the fixed current-sense limit: 25mV when tied to SGND, 50mV when tied to VCC1, and 75mV when floating."
},
{
"number": "11",
"name": "SYNCO",
"type": "output",
"description": "Frequency synchronous output that provides a 180° out-of-phase clock when the part operates in CCM for dual-channel operation."
},
{
"number": "12",
"name": "SENSE-",
"type": "input",
"description": "Negative current-sense input with SENSE+/- rated to 28V and the differential SENSE+ to SENSE- voltage limited to -0.7V to +0.7V."
},
{
"number": "13",
"name": "SENSE+",
"type": "input",
"description": "Positive current-sense input with SENSE+/- rated to 28V and the differential SENSE+ to SENSE- voltage limited to -0.7V to +0.7V."
},
{
"number": "14",
"name": "PGND",
"type": "power_in",
"description": "High-current ground reference for the internal low-side driver and VCC1 regulator, connected directly to the negative terminal of the VCC1 decoupling capacitor."
},
{
"number": "15",
"name": "BG",
"type": "output",
"description": "Bottom gate driver output that drives the synchronous N-channel MOSFET gate, limited to -0.3V to VCC1 + 0.3V."
},
{
"number": "16",
"name": "SW",
"type": "passive",
"description": "Switch node that is the reference for the VBST supply and the high-current return for the bootstrapped switch, rated -0.3V to 65V."
},
{
"number": "17",
"name": "TG",
"type": "output",
"description": "Top gate drive output that floats on SW to drive the top N-channel MOSFET gate, limited to VSW - 0.3V to VBST + 0.3V."
},
{
"number": "18",
"name": "BST",
"type": "power_in",
"description": "Positive supply for the floating high-side driver, limited to VIN + 6.5V, with BST - SW limited to 6.5V and an external diode to BST required to charge the bootstrap capacitor."
},
{
"number": "19",
"name": "IN",
"type": "power_in",
"description": "Input supply for the 4V to 60V operating range (65V absolute maximum), requiring a ceramic capacitor to prevent large input voltage spikes."
},
{
"number": "20",
"name": "EN/SYNC",
"type": "input",
"description": "Enable input with a 1.22V rising threshold and 130mV hysteresis that also accepts an external sync clock from 100kHz to 1000kHz, rated to 55V."
},
{
"number": "21",
"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 on the bottom of the QFN-20 package is not given a numbered pin and is omitted from ; The ordered MPQ2908AGL-Z is the non-wettable flank QFN-20 (3mmx4mm) variant; the '-Z' suffix denotes; Pages 5-12 of the datasheet were not included in the provided text, so the pinout was derived only f",
"exposed pad 21 added from the footprint"
],
"pages_sent": 16,
"cost_usd": 0.0866,
"at": "2026-10-20T22:01:18"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602673990050213888",
"pages": 34,
"sha256": "35bc526adade273e",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "mpq2908agl-z.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "9305bb1f2217b3a3c4923c5aad9089084cd988b0009a6b8028004dfc00dac347",
"checked": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mpq2908agl-z-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "f95193910bf5cee04b079215ceb3df5f341453e06e6f3e86db6759f6f68deadf",
"checked": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}