component
NCP4304BDR2G
Public Made by Adomby adom
onsemi Pre-ordered transistors, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875
{
"schema_version": 1,
"type": "component",
"slug": "ncp4304bdr2g",
"title": "NCP4304BDR2G",
"brief": "onsemi Pre-ordered transistors, SOIC-8. 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",
"transistors",
"ncp4304bdr2g",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "NCP4304BDR2G",
"manufacturer": "onsemi",
"package": "SOIC-8",
"pin_count": 8,
"category": "Transistors",
"subcategory": "Pre-ordered transistors",
"datasheet": "https://www.onsemi.com/pdf/datasheet/ncp4304b-d.pdf",
"parts": {
"symbol": "ncp4304bdr2g.kicad_sym",
"footprint": "ncp4304bdr2g.kicad_mod",
"model_3d": "ncp4304bdr2g-hero.glb",
"model_3d_plain": "ncp4304bdr2g-etched.glb",
"model_3d_step": "ncp4304bdr2g-etched.step",
"model_3d_step_plain": "ncp4304bdr2g.step",
"lbr": "ncp4304bdr2g.lbr"
},
"distributor_links": {
"lcsc": "C603714"
},
"distributor_check": {
"checked_at": "2026-10-22T21:25:06Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VCC",
"type": "power_in",
"description": "Supply terminal of the controller, accepts up to 30 V continuously."
},
{
"number": "2",
"name": "MIN_TOFF",
"type": "passive",
"description": "Adjusts the minimum off time period by connecting a resistor to ground."
},
{
"number": "3",
"name": "MIN_TON",
"type": "passive",
"description": "Adjusts the minimum on time period by connecting a resistor to ground."
},
{
"number": "4",
"name": "TRIG/DIS",
"type": "input",
"description": "Ultrafast forced reset input that turns off the SR MOSFET in CCM applications, and activates sleep mode if pulled up for more than 100 µs."
},
{
"number": "5",
"name": "CS",
"type": "input",
"description": "Current sense input of the SR MOSFET detecting current through the MOSFET and/or its body diode, with a basic turn-off threshold of 0 mV that a series resistor can modify (rated -4 to 200 V dc)."
},
{
"number": "6",
"name": "COMP",
"type": "passive",
"description": "Kelvin connection to the auxiliary compensation inductance; connect directly to the GND pin if package parasitic inductance compensation is not used."
},
{
"number": "7",
"name": "GND",
"type": "power_in",
"description": "IC ground for the SR MOSFET driver, VCC decoupling capacitor, MIN_TON/MIN_TOFF resistors and trigger input, wired directly to the SR MOSFET source by Kelvin connection."
},
{
"number": "8",
"name": "DRV",
"type": "output",
"description": "Gate driver output for the SR MOSFET (5 A sink/2.5 A source peak, 6 V clamp on the B version)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [],
"pages_sent": 9,
"cost_usd": 0.1205,
"at": "2026-10-22T21:24:49"
},
"datasheet": {
"url": "https://www.onsemi.com/pdf/datasheet/ncp4304b-d.pdf",
"pages": 34,
"sha256": "9d2c4dbde349a499",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ncp4304bdr2g.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ncp4304bdr2g-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "033170ddf6c5299a829e4ee2e38a9be4c34e7470a6956a8b27c73a5de53f03ac",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "onsemi",
"Package": "SOIC-8",
"Category": "Transistors",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "9d2c4dbde349a499b5560046443d9a97323b2509f1b84502c619991af2ce6808",
"rows": [
{
"name": "IC Supply Voltage",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Driver Output Voltage",
"symbol": "VDRV",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 17,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Current Sense Input dc Voltage",
"symbol": "VCS",
"kind": "absolute_maximum",
"unit": "V",
"min": -4,
"typ": null,
"max": 200,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Current Sense Input Dynamic Voltage",
"symbol": "VCsdyn",
"kind": "absolute_maximum",
"unit": "V",
"min": -10,
"typ": null,
"max": 200,
"conditions": "tpw = 200 ns",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Trigger Input Voltage",
"symbol": "VTRIG/DIS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "MIN_TON and MIN_TOFF Input Voltage",
"symbol": "VMIN_TON, VMIN_TOFF",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "MIN_TON and MIN_TOFF Current",
"symbol": "IMIN_TON, IMIN_TOFF",
"kind": "absolute_maximum",
"unit": "mA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Static Voltage Difference between COMP and GND",
"symbol": "VCOMP",
"kind": "absolute_maximum",
"unit": "V",
"min": -3,
"typ": null,
"max": 10,
"conditions": "Internally clamped",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Dynamic Voltage Difference between COMP and GND",
"symbol": "VCOMP_dyn",
"kind": "absolute_maximum",
"unit": "V",
"min": -10,
"typ": null,
"max": 10,
"conditions": "tpw = 200 ns",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Current into COMP Pin",
"symbol": "ICOMP",
"kind": "absolute_maximum",
"unit": "mA",
"min": -5,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum Junction Temperature",
"symbol": "TJmax",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "TSmax",
"kind": "absolute_maximum",
"unit": "°C",
"min": -60,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Lead Temperature (Soldering, 10 s)",
"symbol": "TLmax",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 300,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction-to-Air, SOIC A/B Versions",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 180,
"max": null,
"conditions": "SOIC",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD Capability, Human Body Model",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": null,
"typ": null,
"max": 2,
"conditions": "except pin 5 (650 V per JESD22-A114E)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD Capability, Machine Model",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 200,
"conditions": "JESD22-A115-A",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Turn-on threshold level",
"symbol": "VCC_on",
"kind": "electrical",
"unit": "V",
"min": 9.3,
"typ": 9.9,
"max": 10.5,
"conditions": "VCC going up",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Minimum operating voltage after turn-on",
"symbol": "VCC_off",
"kind": "electrical",
"unit": "V",
"min": 8.3,
"typ": 8.9,
"max": 9.5,
"conditions": "VCC going down",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VCC hysteresis",
"symbol": "VCC_hyste",
"kind": "electrical",
"unit": "V",
"min": 0.6,
"typ": 1,
"max": 1.4,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Internal IC consumption (B version)",
"symbol": "ICC1_B",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 4,
"max": 6.2,
"conditions": "no output load on pin 8, fSW = 500 kHz, ton_min = 500 ns, toff_min = 620 ns",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Internal IC consumption (B version)",
"symbol": "ICC2_B",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 6.5,
"max": 9,
"conditions": "CDRV = 1 nF on pin 8, fSW = 400 kHz, ton_min = 500 ns, toff_min = 620 ns",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Internal IC consumption (B version)",
"symbol": "ICC3_B",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 35,
"max": 65,
"conditions": "CDRV = 10 nF on pin 8, fSW = 400 kHz, ton_min = 500 ns, toff_min = 620 ns",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Startup current consumption",
"symbol": "ICC_StartUp",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 35,
"max": 75,
"conditions": "VCC = VCC_on − 0.1 V, no switching at CS pin",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Current consumption during disable mode",
"symbol": "ICC_Disable_1",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 45,
"max": 90,
"conditions": "No switching at CS pin, VTRIG/DIS = 5 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Current consumption during disable mode (CS switching)",
"symbol": "ICC_Disable_2",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 200,
"max": 330,
"conditions": "fSW = 500 kHz, VCS_high = 4 V, VCS_low = −1 V, VTRIG/DIS = 5 V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Driver source resistance",
"symbol": "Roh",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 1.8,
"max": 7,
"conditions": "Guaranteed by design",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Driver sink resistance",
"symbol": "Rol",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 1,
"max": 2,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output voltage rise-time for B version",
"symbol": "tr_B",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": 80,
"max": null,
"conditions": "CDRV = 10 nF",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output voltage fall-time for B version",
"symbol": "tf_B",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": 35,
"max": null,
"conditions": "CDRV = 10 nF",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Minimum drive output voltage for B version",
"symbol": "VDRV(min_B)",
"kind": "electrical",
"unit": "V",
"min": 4.5,
"typ": null,
"max": null,
"conditions": "VCC = VCC_off + 200 mV",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Driver clamp voltage for B version",
"symbol": "VDRV(CLMP_B)",
"kind": "electrical",
"unit": "V",
"min": 5,
"typ": 6,
"max": 8,
"conditions": "12 < VCC < 28, CDRV = 1 nF",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output source peak current",
"symbol": "IDRV_pk(source)",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 2.5,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output sink peak current",
"symbol": "IDRV_pk(sink)",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 5,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Propagation delay CS input to DRV turn on",
"symbol": "tpd_on",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 60,
"max": 90,
"conditions": "VCS goes down from 4 V to −1 V, tf_CS = 5 ns, COMP pin connected to GND",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Propagation delay CS input to DRV turn off",
"symbol": "tpd_off",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 40,
"max": 55,
"conditions": "VCS goes up from −1 V to 4 V, tr_CS = 5 ns, COMP pin connected to GND",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Current sense input current source",
"symbol": "Ishift_CS",
"kind": "electrical",
"unit": "µA",
"min": 95,
"typ": 100,
"max": 105,
"conditions": "VCS = 0 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Current sense pin turn-on input threshold voltage",
"symbol": "Vth_cs_on",
"kind": "electrical",
"unit": "mV",
"min": -120,
"typ": -85,
"max": -50,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Current sense pin turn-off threshold voltage",
"symbol": "Vth_cs_off",
"kind": "electrical",
"unit": "mV",
"min": -1,
"typ": null,
"max": 0,
"conditions": "COMP pin connected to GND",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Current Sense input leakage current",
"symbol": "ICS_Leakage",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "VCS = 200 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Minimum trigger pulse width",
"symbol": "tTRIG/DIS_pw_min",
"kind": "timing",
"unit": "ns",
"min": 30,
"typ": null,
"max": null,
"conditions": "Guaranteed by design",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Trigger input threshold voltage",
"symbol": "VTRIG/DIS",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": null,
"max": 2.5,
"conditions": "VTRIG/DIS goes up",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Propagation delay from trigger input to DRV output",
"symbol": "tp_TRIG/DIS",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 13,
"max": 30,
"conditions": "VTRIG/DIS goes up from 0 to 5 V, tr_TRIG/DIS = 5 ns",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Light load turn off filter duration",
"symbol": "tTRIG/DIS_light_load",
"kind": "timing",
"unit": "µs",
"min": 70,
"typ": 100,
"max": 130,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "IC operation recovery time leaving light load disable mode",
"symbol": "tTRIG/DIS_light_load_rec.",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 10,
"conditions": "VTRIG/DIS goes down from 5 to 0 V, tf_TRIG/DIS = 5 ns",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Minimum toff period",
"symbol": "toff_min",
"kind": "timing",
"unit": "ns",
"min": 560,
"typ": 600,
"max": 690,
"conditions": "RMIN_TOFF = 0",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Minimum ton period",
"symbol": "ton_min",
"kind": "timing",
"unit": "µs",
"min": 0.9,
"typ": 1,
"max": 1.1,
"conditions": "RMIN_TON = 10 k",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Minimum toff period",
"symbol": "toff_min",
"kind": "timing",
"unit": "µs",
"min": 0.9,
"typ": 1,
"max": 1.1,
"conditions": "RMIN_TOFF = 10 k",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Minimum ton period",
"symbol": "ton_min",
"kind": "timing",
"unit": "µs",
"min": 8.64,
"typ": 9.6,
"max": 10.56,
"conditions": "RMIN_TON = 100 k (Note 2)",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Minimum toff period",
"symbol": "toff_min",
"kind": "timing",
"unit": "µs",
"min": 8.55,
"typ": 9.5,
"max": 10.45,
"conditions": "RMIN_TOFF = 100 k (Note 2)",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Blanking time of trigger during DRV rising edge",
"symbol": "tTRIG/DIS_blank",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 120,
"max": null,
"conditions": "VCS < Vth_cs_on, single pulse on trigger tTRIG/DIS_pw = 50 ns",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Trigger input pull down current",
"symbol": "ITRIG/DIS",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 10,
"max": null,
"conditions": "VTRIG/DIS = 5 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Minimum ton period",
"symbol": "ton_min",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 130,
"max": null,
"conditions": "RMIN_TON = 0",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Minimum ton period",
"symbol": "ton_min",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": 4.8,
"max": null,
"conditions": "RMIN_TON = 50 k",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Minimum toff period",
"symbol": "toff_min",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": 4.8,
"max": null,
"conditions": "RMIN_TOFF = 50 k",
"source_page": 5,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ncp4304bdr2g"
],
"discovery_pitch": "NCP4304BDR2G (onsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"ncp4304bdr2g.kicad_sym",
"ncp4304bdr2g.kicad_mod",
"ncp4304bdr2g.glb",
"ncp4304bdr2g.step",
"ncp4304bdr2g.lbr",
"docs/hero.png",
"docs/ncp4304bdr2g-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ncp4304bdr2g-hero.glb",
"ncp4304bdr2g-hero.overlay.json",
"ncp4304bdr2g-etched.glb"
],
"visibility": {
"public": true
}
}