component
CY8C4025LQI-S401T
Public Made by Adomby adom
Cypress Semicon Microcontroller Units (MCUs/MPUs/SOCs), QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296
{
"slug": "cy8c4025lqi-s401t",
"version": "0.1.0",
"type": "component",
"description": "Cypress Semicon Microcontroller Units (MCUs/MPUs/SOCs), QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"cy8c4025lqi-s401t",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"cy8c4025lqi-s401t.kicad_sym",
"cy8c4025lqi-s401t.kicad_mod",
"cy8c4025lqi-s401t.glb",
"cy8c4025lqi-s401t.step",
"cy8c4025lqi-s401t.lbr",
"docs/hero.png",
"docs/cy8c4025lqi-s401t-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"cy8c4025lqi-s401t-hero.glb",
"cy8c4025lqi-s401t-hero.overlay.json",
"cy8c4025lqi-s401t-etched.glb"
],
"component": {
"mpn": "CY8C4025LQI-S401T",
"manufacturer": "Cypress Semicon",
"package": "QFN-24-EP(4x4)",
"pin_count": 25,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://www.infineon.com/dgdl/Infineon-PSoC_4_PSoC_4000S_Datasheet_Programmable_System-on-Chip_(PSoC_)-DataSheet-v15_00-EN.pdf?fileId=8ac78c8c7d0d8da4017d0eda97715cf1&utm_source=cypress&utm_medium=referral&utm_campaign=202110_globe_en_all_integration-file",
"parts": {
"symbol": "cy8c4025lqi-s401t.kicad_sym",
"footprint": "cy8c4025lqi-s401t.kicad_mod",
"model_3d": "cy8c4025lqi-s401t-hero.glb",
"model_3d_plain": "cy8c4025lqi-s401t-etched.glb",
"model_3d_step": "cy8c4025lqi-s401t-etched.step",
"model_3d_step_plain": "cy8c4025lqi-s401t.step",
"lbr": "cy8c4025lqi-s401t.lbr"
},
"distributor_links": {
"lcsc": "C2952630",
"digikey": "448-CY8C4025LQI-S401TTR-ND",
"mouser": "727-CY8C4025LQIS401T"
},
"distributor_check": {
"checked_at": "2026-10-23T12:48:52Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "448-CY8C4025LQI-S401TTR-ND",
"status": "found"
},
"mouser": {
"pn": "727-CY8C4025LQIS401T",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "P1.7",
"type": "bidirectional",
"description": "General-purpose I/O port 1 bit 7 with programmable drive modes; can be CAPSENSE, analog or digital, with no alternate peripheral function listed."
},
{
"number": "2",
"name": "P2.0",
"type": "bidirectional",
"description": "GPIO port 2 bit 0 with Smart I/O prgio[0].io[0], TCPWM line[4], csd.comp and SCB1 I2C SCL/SPI MOSI Deep Sleep alternate functions."
},
{
"number": "3",
"name": "P2.1",
"type": "bidirectional",
"description": "GPIO port 2 bit 1 with Smart I/O prgio[0].io[1], TCPWM line_compl[4] and SCB1 I2C SDA/SPI MISO Deep Sleep alternate functions."
},
{
"number": "4",
"name": "P2.6",
"type": "bidirectional",
"description": "GPIO port 2 bit 6 with Smart I/O prgio[0].io[6], TCPWM line[1] and SCB1 SPI select3 alternate functions."
},
{
"number": "5",
"name": "P2.7",
"type": "bidirectional",
"description": "GPIO port 2 bit 7 with Smart I/O prgio[0].io[7], TCPWM line_compl[1] and low-power comparator output lpcomp.comp[0] Deep Sleep function."
},
{
"number": "6",
"name": "P3.0",
"type": "bidirectional",
"description": "GPIO port 3 bit 0 with Smart I/O prgio[1].io[0], TCPWM line[0], SCB1 UART RX, I2C SCL and SPI MOSI alternate functions."
},
{
"number": "7",
"name": "P3.2",
"type": "bidirectional",
"description": "GPIO port 3 bit 2 with Smart I/O prgio[1].io[2], TCPWM line[1], SCB1 UART CTS/SPI clock and SWD data (cpuss.swd_data) function."
},
{
"number": "8",
"name": "P3.3",
"type": "bidirectional",
"description": "GPIO port 3 bit 3 with Smart I/O prgio[1].io[3], TCPWM line_compl[1], SCB1 UART RTS/SPI select0 and SWD clock (cpuss.swd_clk) function."
},
{
"number": "9",
"name": "P4.0",
"type": "bidirectional",
"description": "GPIO port 4 bit 0 with analog function csd.vref_ext (external CSD reference) and SCB0 UART RX, I2C SCL and SPI MOSI alternate functions."
},
{
"number": "10",
"name": "P4.1",
"type": "bidirectional",
"description": "GPIO port 4 bit 1 with analog function csd.cshieldpads and SCB0 UART TX, I2C SDA and SPI MISO alternate functions."
},
{
"number": "11",
"name": "P4.2",
"type": "bidirectional",
"description": "GPIO port 4 bit 2 with analog function csd.cmodpad (CSD modulator capacitor) and lpcomp.comp[0] and SCB0 SPI clock alternate functions."
},
{
"number": "12",
"name": "P4.3",
"type": "bidirectional",
"description": "GPIO port 4 bit 3 with analog function csd.csh_tank and lpcomp.comp[1] and SCB0 UART RTS/SPI select0 alternate functions."
},
{
"number": "13",
"name": "P0.0",
"type": "bidirectional",
"description": "GPIO port 0 bit 0 with analog low-power comparator input lpcomp.in_p[0], TCPWM trigger input tr_in[0] and SCB0 SPI select1 function."
},
{
"number": "14",
"name": "P0.1",
"type": "bidirectional",
"description": "GPIO port 0 bit 1 with analog low-power comparator input lpcomp.in_n[0], TCPWM trigger input tr_in[1] and SCB0 SPI select2 function."
},
{
"number": "15",
"name": "P0.4",
"type": "bidirectional",
"description": "GPIO port 0 bit 4 with watch crystal oscillator input (wco.wco_in), SCB1 UART RX and I2C SCL/SPI MOSI functions."
},
{
"number": "16",
"name": "P0.5",
"type": "bidirectional",
"description": "GPIO port 0 bit 5 with watch crystal oscillator output (wco.wco_out), SCB1 UART TX and I2C SDA/SPI MISO functions."
},
{
"number": "17",
"name": "P0.6",
"type": "bidirectional",
"description": "GPIO port 0 bit 6 with external clock input (srss.ext_clk), SCB1 UART CTS and SPI clock functions."
},
{
"number": "18",
"name": "XRES",
"type": "input",
"description": "External reset input to the device."
},
{
"number": "19",
"name": "VCCD",
"type": "power_out",
"description": "Regulated digital supply (1.8 V ±5%); must be bypassed to ground with a 0.1 µF X5R or better ceramic capacitor and not connected to anything else in the 1.8 V to 5.5 V supply mode."
},
{
"number": "20",
"name": "VSSD",
"type": "power_in",
"description": "Ground pin for the digital section."
},
{
"number": "21",
"name": "VDD",
"type": "power_in",
"description": "Power supply to all sections of the chip, 1.8 V to 5.5 V (or 1.8 V ±5% when externally regulated)."
},
{
"number": "22",
"name": "VSSA",
"type": "power_in",
"description": "Ground pin for the analog section."
},
{
"number": "23",
"name": "P1.2",
"type": "bidirectional",
"description": "GPIO port 1 bit 2 with TCPWM line[3], SCB0 UART CTS, tcpwm.tr_in[2] and SCB0 SPI clock functions."
},
{
"number": "24",
"name": "P1.3",
"type": "bidirectional",
"description": "GPIO port 1 bit 3 with TCPWM line_compl[3], SCB0 UART RTS, tcpwm.tr_in[3] and SCB0 SPI select0 functions."
},
{
"number": "25",
"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-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: MPN CY8C4025LQI-S401T is the tape-and-reel version of CY8C4025LQI-S401, which Table 36 lists as the ; The exposed pad has no pin number in the datasheet text; 'EP' is a placeholder. The package drawing ; Pin type for VCCD (regulator output vs. bypass-only pin) is inferred from the power section. The Tab"
],
"pages_sent": 19,
"cost_usd": 0.2117,
"at": "2026-10-23T12:48:41"
},
"datasheet": {
"url": "https://www.infineon.com/dgdl/Infineon-PSoC_4_PSoC_4000S_Datasheet_Programmable_System-on-Chip_(PSoC_)-DataSheet-v15_00-EN.pdf?fileId=8ac78c8c7d0d8da4017d0eda97715cf1&utm_source=cypress&utm_medium=referral&utm_campaign=202110_globe_en_all_integration-file",
"pages": 58,
"sha256": "493ab905a29a5d98",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "cy8c4025lqi-s401t.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cy8c4025lqi-s401t-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "b1f90e40377b012a5cc790ce6fe7a052fa1efade8e853c58026188e239c3752f",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}