component
NCN4555MNR2G
Public Made by Adomby adom
onsemi Translators / Level Shifters, QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278
{
"schema_version": 1,
"type": "component",
"slug": "ncn4555mnr2g",
"title": "NCN4555MNR2G",
"brief": "onsemi Translators / Level Shifters, QFN-16-EP(3x3). 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",
"logic ics",
"ncn4555mnr2g",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "NCN4555MNR2G",
"manufacturer": "onsemi",
"package": "QFN-16-EP(3x3)",
"pin_count": 17,
"category": "Logic ICs",
"subcategory": "Translators / Level Shifters",
"datasheet": "https://www.onsemi.com/pdf/datasheet/ncn4555mnr2-d.pdf",
"parts": {
"symbol": "ncn4555mnr2g.kicad_sym",
"footprint": "ncn4555mnr2g.kicad_mod",
"model_3d": "ncn4555mnr2g-hero.glb",
"model_3d_plain": "ncn4555mnr2g-etched.glb",
"model_3d_step": "ncn4555mnr2g-etched.step",
"model_3d_step_plain": "ncn4555mnr2g.step",
"lbr": "ncn4555mnr2g.lbr"
},
"distributor_links": {
"lcsc": "C152535",
"digikey": "NCN4555MNR2GOSTR-ND",
"mouser": "863-NCN4555MNR2G"
},
"distributor_check": {
"checked_at": "2026-10-27T01:38:49Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "NCN4555MNR2GOSTR-ND",
"status": "found"
},
"mouser": {
"pn": "863-NCN4555MNR2G",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "STOP",
"type": "input",
"description": "Power-down mode pin: a Low level activates the low-current shutdown mode and resets the SIM interface by switching off SIM_VCC, while High gives normal operation."
},
{
"number": "2",
"name": "MOD_VCC",
"type": "input",
"description": "Selects the SIM_VCC output voltage: Low programs 1.8 V and High programs 3 V."
},
{
"number": "3",
"name": "VDD",
"type": "power_in",
"description": "Microcontroller-side supply that sets the level shifter input stage; a 0.1 µF bypass capacitor is required, and SIM_VCC is disabled with the device in shutdown when VDD is below 1.1 V typical."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "5",
"name": "VBAT",
"type": "power_in",
"description": "DC-DC converter supply input with a range of 2.7 V to 5.5 V, which must be bypassed by a 0.1 µF capacitor."
},
{
"number": "6",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "7",
"name": "SIM_VCC",
"type": "power_out",
"description": "Card supply output from the internal LDO, programmable to 1.8 V or 3.0 V, requiring a 1.0 µF minimum ceramic capacitor to ground."
},
{
"number": "8",
"name": "SIM_I/O",
"type": "bidirectional",
"description": "Serial I/O connection to the card connector with a bidirectional level translator and a 14 kΩ typical pullup providing a high-impedance state for the card I/O link."
},
{
"number": "9",
"name": "SIM_RST",
"type": "output",
"description": "Level-translated reset output connected to the RESET pin of the card connector."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the integrated circuit and associated signals; care must be taken to avoid voltage spikes during normal operation."
},
{
"number": "11",
"name": "SIM_CLK",
"type": "output",
"description": "Level-translated clock output to the CLOCK pin of the card connector, with its level set by SIM_VCC."
},
{
"number": "12",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "13",
"name": "CLK",
"type": "input",
"description": "Clock input from the external controller, which should have a duty cycle within the specified min/max limits (typically 50%)."
},
{
"number": "14",
"name": "RST",
"type": "input",
"description": "Reset input that is level-shifted to the SIM card according to the programmed SIM_VCC value."
},
{
"number": "15",
"name": "I/O",
"type": "bidirectional",
"description": "Serial I/O connection to the external microcontroller with a bidirectional level translator and a built-in constant 18 kΩ typical resistor that provides a high-impedance state when not activated."
},
{
"number": "16",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "17",
"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 (EP) on the QFN-16 package is not given a pin number in the pin descriptions table, "
],
"pages_sent": 12,
"cost_usd": 0.0225,
"at": "2026-10-27T01:38:21"
},
"datasheet": {
"url": "https://www.onsemi.com/pdf/datasheet/ncn4555mnr2-d.pdf",
"pages": 12,
"sha256": "d7485c3e29c4e88d",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 17,
"described": 17,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ncn4555mnr2g.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3,
3,
0.785
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ncn4555mnr2g-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3,
3,
0.785
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9fb32405d9246439e2b7c3e7285e68158a91f5510c768bbc0b932b91b9265a4f",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "onsemi",
"Package": "QFN-16-EP(3x3)",
"Category": "Logic ICs",
"Pins": "17"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ncn4555mnr2g"
],
"discovery_pitch": "NCN4555MNR2G (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",
"ncn4555mnr2g.kicad_sym",
"ncn4555mnr2g.kicad_mod",
"ncn4555mnr2g.glb",
"ncn4555mnr2g.step",
"ncn4555mnr2g.lbr",
"docs/hero.png",
"docs/ncn4555mnr2g-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ncn4555mnr2g-hero.glb",
"ncn4555mnr2g-hero.overlay.json",
"ncn4555mnr2g-etched.glb"
],
"visibility": {
"public": true
}
}