component
NCN8025MTTBG
Public Made by Adomby adom
onsemi Interface - Specialized, QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279
{
"schema_version": 1,
"type": "component",
"slug": "ncn8025mttbg",
"title": "NCN8025MTTBG",
"brief": "onsemi Interface - Specialized, 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",
"interface ics",
"ncn8025mttbg",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "NCN8025MTTBG",
"manufacturer": "onsemi",
"package": "QFN-16-EP(3x3)",
"pin_count": 17,
"category": "Interface ICs",
"subcategory": "Interface - Specialized",
"datasheet": "https://www.onsemi.com/pdf/datasheet/ncn8025mttb-d.pdf",
"parts": {
"symbol": "ncn8025mttbg.kicad_sym",
"footprint": "ncn8025mttbg.kicad_mod",
"model_3d": "ncn8025mttbg-hero.glb",
"model_3d_plain": "ncn8025mttbg-etched.glb",
"model_3d_step": "ncn8025mttbg-etched.step",
"model_3d_step_plain": "ncn8025mttbg.step",
"lbr": "ncn8025mttbg.lbr"
},
"distributor_links": {
"lcsc": "C603431",
"digikey": "NCN8025MTTBGOSTR-ND",
"mouser": "863-NCN8025MTTBG"
},
"distributor_check": {
"checked_at": "2026-10-27T01:33:41Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "NCN8025MTTBGOSTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "863-NCN8025MTTBG",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VSEL0",
"type": "input",
"description": "Selects card VCC mode: VSEL0 Low gives 5 V (VSEL1 High) or 3 V (VSEL1 Low); VSEL0 High gives 1.8 V (VSEL1 High) or 3 V (VSEL1 Low)."
},
{
"number": "2",
"name": "VDDP",
"type": "power_in",
"description": "Regulator power supply (LDO input), 2.7 V to 5.5 V depending on CVCC mode, with 10 µF + 100 nF decoupling close to the pin."
},
{
"number": "3",
"name": "PRES",
"type": "input",
"description": "Card presence input, active (card present) when Low, with a built-in debounce timer of about 8 ms, for Normally Open smart card connectors."
},
{
"number": "4",
"name": "CI/O",
"type": "bidirectional",
"description": "Card serial I/O (C7) connection with a bidirectional level translator to the microcontroller and a typical 11 kΩ pull-up to CVCC."
},
{
"number": "5",
"name": "CCLK",
"type": "output",
"description": "Clock output to the card connector (C3), derived from CLKIN through the clock dividers and level shifter."
},
{
"number": "6",
"name": "CRST",
"type": "output",
"description": "Reset output to the card (C2), level-shifted from RSTIN according to the programmed CVCC value."
},
{
"number": "7",
"name": "CVCC",
"type": "power_out",
"description": "Card power supply output (C1) from the internal LDO programmable to 1.8 V, 3 V or 5 V, sourcing up to 70 mA and requiring 80 nF to 1.2 µF low-ESR (<100 mΩ) ceramic capacitance."
},
{
"number": "8",
"name": "CMDVCC",
"type": "input",
"description": "Active-Low command VCC input; the activation sequence starts when CMDVCC toggles High to Low with a card present."
},
{
"number": "9",
"name": "RSTIN",
"type": "input",
"description": "Reset input from the host referred to VDD, level-shifted to the card reset pin according to the programmed CVCC."
},
{
"number": "10",
"name": "VDD",
"type": "power_in",
"description": "Controller-side supply, 2.7 V to 5.5 V, with a 0.1 µF decoupling capacitor; card pins are disabled when VDD falls below 2.30 V typical."
},
{
"number": "11",
"name": "INT",
"type": "output",
"description": "Active-Low interrupt output that signals card presence and faults such as CVCC overload."
},
{
"number": "12",
"name": "CLKIN",
"type": "input",
"description": "External clock input, up to 27 MHz."
},
{
"number": "13",
"name": "I/Ouc",
"type": "bidirectional",
"description": "Microcontroller-side serial I/O with a bidirectional level translator to the card and a built-in constant 11 kΩ typical pull-up."
},
{
"number": "14",
"name": "CLKDIV1",
"type": "input",
"description": "Clock division ratio programming input, used together with CLKDIV2 (ratios 1, 1/2, 1/4, 1/8)."
},
{
"number": "15",
"name": "CLKDIV2",
"type": "input",
"description": "Clock division ratio programming input, used together with CLKDIV1 (ratios 1, 1/2, 1/4, 1/8)."
},
{
"number": "16",
"name": "VSEL1",
"type": "input",
"description": "Card VCC voltage select input: with VSEL0 Low, High gives 5 V and Low gives 3 V; with VSEL0 High, High gives 1.8 V and Low gives 3 V."
},
{
"number": "17",
"name": "GND",
"type": "power_in",
"description": "Regulator power supply ground, connected to the exposed pad, which must be connected to the PCB."
}
],
"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": [
"extractor flagged: The pin table lists the exposed pad as pin 17 (GND) for QFN-16. The datasheet gives no separate card; The ordering table lists NCN8025MTTBG as QFN16 (case 488AK, 3x3, 0.5P). The pin table is combined fo"
],
"pages_sent": 15,
"cost_usd": 0.1877,
"at": "2026-10-27T01:33:12"
},
"datasheet": {
"url": "https://www.onsemi.com/pdf/datasheet/ncn8025mttb-d.pdf",
"pages": 15,
"sha256": "c26d5c0564f47926",
"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": "ncn8025mttbg.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": "ncn8025mttbg-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": "960c152f5626980fdddd141168ef9ad6ded4b0e8f06df090fb2032ebcb5f12de",
"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": "Interface ICs",
"Pins": "17"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ncn8025mttbg"
],
"discovery_pitch": "NCN8025MTTBG (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",
"ncn8025mttbg.kicad_sym",
"ncn8025mttbg.kicad_mod",
"ncn8025mttbg.glb",
"ncn8025mttbg.step",
"ncn8025mttbg.lbr",
"docs/hero.png",
"docs/ncn8025mttbg-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ncn8025mttbg-hero.glb",
"ncn8025mttbg-hero.overlay.json",
"ncn8025mttbg-etched.glb"
],
"visibility": {
"public": true
}
}