component
ICW3121AM6G
Public Made by Adomby adom
ICW DC-DC Converters, SOT23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614
{
"schema_version": 1,
"type": "component",
"slug": "icw3121am6g",
"title": "ICW3121AM6G",
"brief": "ICW DC-DC Converters, SOT23-6. 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 ics",
"icw3121am6g",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ICW3121AM6G",
"manufacturer": "ICW",
"package": "SOT23-6",
"pin_count": 6,
"category": "Power Management ICs",
"subcategory": "DC-DC Converters",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0d143c73d1d70f369d32204973b3ff0a.pdf",
"parts": {
"symbol": "icw3121am6g.kicad_sym",
"footprint": "icw3121am6g.kicad_mod",
"model_3d": "icw3121am6g-hero.glb",
"model_3d_plain": "icw3121am6g-etched.glb",
"model_3d_step": "icw3121am6g-etched.step",
"model_3d_step_plain": "icw3121am6g.step",
"lbr": "icw3121am6g.lbr"
},
"distributor_links": {
"lcsc": "C5448757"
},
"distributor_check": {
"checked_at": "2026-10-22T22:45:41Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "deferred",
"error": "shared DigiKey quota guard: 924 calls left today"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "BOOT",
"type": "passive",
"description": "Bootstrap pin that requires a ceramic capacitor of not less than 0.1 uF between BOOT and LX to supply the high-side switch driver."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "3",
"name": "FB",
"type": "input",
"description": "Feedback voltage pin connected to the inverting input of the error amplifier, with 0.6 V reference (0.588 to 0.612 V)."
},
{
"number": "4",
"name": "EN",
"type": "input",
"description": "Enable input pin; the chip operates when input logic is high (rising threshold 1.5 V max, falling threshold 0.8 V min, absolute max 18 V)."
},
{
"number": "5",
"name": "VIN",
"type": "power_in",
"description": "Power input supplying the controller and converter switches, operating range 4.5 V to 18 V."
},
{
"number": "6",
"name": "LX",
"type": "passive",
"description": "Switch node connected to the inductor, with absolute maximum voltage -0.3 V to 18 V."
}
],
"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: BOOT and LX typed as passive (bootstrap capacitor and inductor connections); LX is a power switching"
],
"pages_sent": 10,
"cost_usd": 0.0657,
"at": "2026-10-22T22:45:30"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/0d143c73d1d70f369d32204973b3ff0a.pdf",
"pages": 10,
"sha256": "76058844ff21bc01",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 6,
"described": 6,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "icw3121am6g.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
1.55
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "icw3121am6g-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
1.55
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "97690d293beb4ef47ce56d7b0e595ef54b0b7462d188f23a85dedca69e20f84c",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "ICW",
"Package": "SOT23-6",
"Category": "Power Management ICs",
"Pins": "6"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "76058844ff21bc01fbe6cfbfa3bfd37becd76db7b9f9168f0ca283a2cbcadfde",
"rows": [
{
"name": "Input voltage range",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Shutdown current",
"symbol": "ISD",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 8,
"max": 15,
"conditions": "VIN = 18 V, IC disabled",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Quiescent current",
"symbol": "IQ",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 120,
"max": 200,
"conditions": "VIN = 18 V, IC enabled, VFB = 0.7 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Feedback reference voltage",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 0.588,
"typ": 0.6,
"max": 0.612,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "High-side switch on-resistance",
"symbol": "RDSON_H",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 50,
"max": 70,
"conditions": "VBOOT - VLX = 4.3 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Low-side switch on-resistance",
"symbol": "RDSON_L",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 90,
"max": 110,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Peak current limit",
"symbol": "ILIM_PEAK",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 5.5,
"max": 6.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Valley current limit",
"symbol": "ILIM_VALLEY",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 3.3,
"max": 4.3,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Enable rising threshold",
"symbol": "VENH",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.3,
"max": 1.5,
"conditions": "VEN rising",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Enable falling threshold",
"symbol": "VENL",
"kind": "electrical",
"unit": "V",
"min": 0.8,
"typ": 1,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input UVLO threshold",
"symbol": "VIN_UVLO",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 4.4,
"max": 4.5,
"conditions": "VIN rising",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Minimum on-time",
"symbol": "Tmin_on",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 110,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Minimum off-time",
"symbol": "Tmin_off",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 150,
"max": 200,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input UVLO hysteresis",
"symbol": "VIN_HYS",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.25,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Switching frequency",
"symbol": "FSW",
"kind": "timing",
"unit": "kHz",
"min": null,
"typ": 500,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Soft-start time",
"symbol": "tss",
"kind": "timing",
"unit": "ms",
"min": null,
"typ": 2.3,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Over-temperature protection",
"symbol": "TOTP",
"kind": "thermal",
"unit": "°C",
"min": null,
"typ": 170,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Over-temperature hysteresis",
"symbol": "THYS",
"kind": "thermal",
"unit": "°C",
"min": null,
"typ": 40,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VIN pin voltage",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "LX pin voltage",
"symbol": "VLX",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "BOOT to SW pin voltage",
"symbol": "VBOOT_SW",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "EN pin voltage",
"symbol": "VEN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "FB pin voltage",
"symbol": "VFB",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Package power dissipation",
"symbol": "Pd",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 0.63,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating ambient temperature",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": 4.5,
"typ": 12,
"max": 18,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output voltage",
"symbol": "VOUT",
"kind": "recommended_operating",
"unit": "V",
"min": 0.6,
"typ": 3.3,
"max": 12,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Inductance",
"symbol": "L",
"kind": "recommended_operating",
"unit": "uH",
"min": 1.2,
"typ": 3.3,
"max": 6,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output capacitance",
"symbol": "COUT",
"kind": "recommended_operating",
"unit": "uF",
"min": 20,
"typ": 40,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating ambient temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "ºC",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Thermal resistance, junction to ambient",
"symbol": "θJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": null,
"max": 200,
"conditions": "junction to air",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"icw3121am6g"
],
"discovery_pitch": "ICW3121AM6G (ICW) 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",
"icw3121am6g.kicad_sym",
"icw3121am6g.kicad_mod",
"icw3121am6g.glb",
"icw3121am6g.step",
"icw3121am6g.lbr",
"docs/hero.png",
"docs/icw3121am6g-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"icw3121am6g-hero.glb",
"icw3121am6g-hero.overlay.json",
"icw3121am6g-etched.glb"
],
"visibility": {
"public": true
}
}