component
NCP3232NMNTXG
Public Made by Adomby adom
onsemi DC-DC Converters, QFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "ncp3232nmntxg",
"title": "NCP3232NMNTXG",
"brief": "onsemi DC-DC Converters, QFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"power management (pmic)",
"ncp3232nmntxg",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "NCP3232NMNTXG",
"manufacturer": "onsemi",
"package": "QFN-40-EP(6x6)",
"pin_count": 41,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590000839160070144",
"parts": {
"symbol": "ncp3232nmntxg.kicad_sym",
"footprint": "ncp3232nmntxg.kicad_mod",
"model_3d": "ncp3232nmntxg-hero.glb",
"model_3d_plain": "ncp3232nmntxg-etched.glb",
"model_3d_step": "ncp3232nmntxg-etched.step",
"model_3d_step_plain": "ncp3232nmntxg.step",
"lbr": "ncp3232nmntxg.lbr"
},
"distributor_links": {
"lcsc": "C904491",
"digikey": "NCP3232NMNTXGOSTR-ND",
"mouser": "863-NCP3232NMNTXG"
},
"distributor_check": {
"checked_at": "2026-10-18T04:58:50Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "NCP3232NMNTXGOSTR-ND",
"status": "found",
"lifecycle": "Obsolete"
},
"mouser": {
"pn": "863-NCP3232NMNTXG",
"status": "found",
"lifecycle": "End of Life"
}
},
"pins": [
{
"number": "1",
"name": "SS",
"type": "passive",
"description": "A capacitor from this pin to GND sets the soft-start ramp time."
},
{
"number": "2",
"name": "FB",
"type": "input",
"description": "Output voltage feedback input to the error amplifier, referenced to the internal 0.6 V reference."
},
{
"number": "3",
"name": "COMP",
"type": "output",
"description": "Output of the error amplifier, which requires a type III compensation network."
},
{
"number": "4",
"name": "ISET",
"type": "passive",
"description": "A resistor from this pin to ground sets the over-current protection (OCP) threshold; if RSET is not connected, OCP switches to a fixed 300 mV threshold."
},
{
"number": "5",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "6",
"name": "OTS",
"type": "input",
"description": "Negative input of the internal thermal comparator with a 0.6 V rising threshold; tie to ground if not used."
},
{
"number": "7",
"name": "PG",
"type": "output",
"description": "Power good indicator of the output voltage; open-drain output that must be connected to VDD through an external resistor."
},
{
"number": "8",
"name": "VIN",
"type": "power_in",
"description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
},
{
"number": "9",
"name": "VIN",
"type": "power_in",
"description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
},
{
"number": "10",
"name": "VIN",
"type": "power_in",
"description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
},
{
"number": "11",
"name": "VIN",
"type": "power_in",
"description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
},
{
"number": "12",
"name": "VIN",
"type": "power_in",
"description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
},
{
"number": "13",
"name": "VIN",
"type": "power_in",
"description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
},
{
"number": "14",
"name": "VIN",
"type": "power_in",
"description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
},
{
"number": "15",
"name": "VSWH",
"type": "passive",
"description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
},
{
"number": "16",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "17",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "18",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "19",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "20",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "21",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "22",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "23",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "24",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "25",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "26",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "27",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "28",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "29",
"name": "VSWH",
"type": "passive",
"description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
},
{
"number": "30",
"name": "VSWH",
"type": "passive",
"description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
},
{
"number": "31",
"name": "VSWH",
"type": "passive",
"description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
},
{
"number": "32",
"name": "VSWH",
"type": "passive",
"description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
},
{
"number": "33",
"name": "VSWH",
"type": "passive",
"description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
},
{
"number": "34",
"name": "VSWH",
"type": "passive",
"description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
},
{
"number": "35",
"name": "VSW",
"type": "passive",
"description": "Connection to the switch node between the top and bottom MOSFETs; return path of the high-side gate driver and sense point for low-side OCP."
},
{
"number": "36",
"name": "BST",
"type": "power_in",
"description": "Top gate driver input supply; a bootstrap capacitor connects between SWN and this pin."
},
{
"number": "37",
"name": "PGND",
"type": "power_in",
"description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
},
{
"number": "38",
"name": "VB",
"type": "power_out",
"description": "Internal LDO output and input supply for the charge pump; connect a minimum of 4.7 uF ceramic capacitor from this pin to ground."
},
{
"number": "39",
"name": "VCC",
"type": "power_in",
"description": "Input supply for the IC; this pin must be connected to VIN."
},
{
"number": "40",
"name": "EN",
"type": "input",
"description": "Logic enable for the switcher with an internal pull-up that enables the device automatically when floating; drive high to turn on or low to turn off."
},
{
"number": "41",
"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 PIN CONNECTIONS diagram on page 1 is garbled in the text extraction, so pin numbers and names we; The datasheet names the exposed pads EP41, EP42 and EP43 but does not assign them numbers on the pac; The KiCad ERC enum has no open-drain class, so PG (pin 7) is typed as output even though the datashe",
"exposed pad 41 added from the footprint",
"dropped thermal pad ['EP41', 'EP42', 'EP43'] absent from footprint"
],
"pages_sent": 15,
"cost_usd": 0.105,
"at": "2026-10-18T04:55:51"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590000839160070144",
"pages": 15,
"sha256": "1a074d95dd477d4c",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 41,
"described": 41,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ncp3232nmntxg.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ncp3232nmntxg-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
6,
1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "918a55bd5e6a626ab2901c108b221993435b3fc4c2a44758413005f210a5bf5f",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "onsemi",
"Package": "QFN-40-EP(6x6)",
"Category": "Power Management (PMIC)",
"Pins": "41"
},
"appearance": {
"contacts": {
"quote": "and precision reference allow the user to implement this pin as an adjustable UVLO circuit. EP41 GND Exposed Pad. Connect GND to a large copper plane at ground potential to improve thermal dissipatio",
"page": 3,
"doc": "ds.pdf",
"material": "copper"
},
"version": 1,
"datasheet_sha256": "1a074d95dd477d4cbdffedd773547fa4e9f32e2d6d8ae65392ccaf43afe02105"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "1a074d95dd477d4cbdffedd773547fa4e9f32e2d6d8ae65392ccaf43afe02105",
"rows": [
{
"name": "Power Supply to GND",
"symbol": "VIN, VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 23,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VSW to GND",
"symbol": "VSWH, VSW",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.6,
"typ": null,
"max": 30,
"conditions": "DC",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VSW to GND (transient)",
"symbol": "VSWH, VSW",
"kind": "absolute_maximum",
"unit": "V",
"min": -5,
"typ": null,
"max": 35,
"conditions": "min: t < 100 ns; max: t < 50 ns",
"source_page": 4,
"source": "datasheet"
},
{
"name": "BST to GND",
"symbol": "BST",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.6,
"typ": null,
"max": 35,
"conditions": "DC",
"source_page": 4,
"source": "datasheet"
},
{
"name": "BST to GND (transient)",
"symbol": "BST",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 40,
"conditions": "t < 50 ns",
"source_page": 4,
"source": "datasheet"
},
{
"name": "BST to VSW",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6.5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VIN to VSW",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 28,
"conditions": "VIN = VCC, DC",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VIN to VSW (transient)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -4,
"typ": null,
"max": null,
"conditions": "t < 50 ns",
"source_page": 4,
"source": "datasheet"
},
{
"name": "All other pins",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating Ambient Temperature Range",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature Range",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum Junction Temperature",
"symbol": "TJ(MAX)",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VIN/VCC Operation Voltage",
"symbol": "VIN/VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 21,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VB UVLO Threshold (Rising)",
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"kind": "electrical",
"unit": "V",
"min": 4.1,
"typ": 4.2,
"max": 4.3,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VB UVLO Threshold (Falling)",
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"kind": "electrical",
"unit": "V",
"min": 3.4,
"typ": 3.6,
"max": 3.8,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VB Output Voltage",
"symbol": "VB",
"kind": "electrical",
"unit": "V",
"min": 4.9,
"typ": 5.15,
"max": 5.45,
"conditions": "VCC = 6 V, 0 ≤ IB ≤ 40 mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VB Dropout Voltage",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 36,
"max": 110,
"conditions": "IB = 25 mA, VCC = 4.5 V",
"source_page": 5,
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},
{
"name": "VCC Quiescent Current",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 4.7,
"max": 6.4,
"conditions": "EN = H, COMP = H, no switching; PG open; no switching",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Shutdown Supply Current",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 100,
"max": 140,
"conditions": "EN = 0; VCC = 21 V; PG open",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Shutdown Supply Current",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 55,
"max": 75,
"conditions": "EN = 0; VCC = 4.5 V; PG open",
"source_page": 5,
"source": "datasheet"
},
{
"name": "FB Input Voltage",
"symbol": "VFB",
"kind": "electrical",
"unit": "V",
"min": 0.597,
"typ": 0.6,
"max": 0.603,
"conditions": "0°C < TJ < 70°C, 4.5 V ≤ VCC ≤ 21 V",
"source_page": 5,
"source": "datasheet"
},
{
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