component
LM2596S-3.3-HXY
Public Made by Adomby adom
HXY MOSFET DC-DC Converters, TO-263-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529
{
"schema_version": 1,
"type": "component",
"slug": "lm2596s-3-3-hxy",
"title": "LM2596S-3.3-HXY",
"brief": "HXY MOSFET DC-DC Converters, TO-263-5L. 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 supply chip",
"lm2596s-3.3-hxy",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LM2596S-3.3-HXY",
"manufacturer": "HXY MOSFET",
"package": "TO-263-5L",
"pin_count": 6,
"category": "Power Supply Chip",
"subcategory": "DC-DC Converters",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0252520f84988454c46c9cf6096034a4.pdf",
"parts": {
"symbol": "lm2596s-3-3-hxy.kicad_sym",
"footprint": "lm2596s-3-3-hxy.kicad_mod",
"model_3d": "lm2596s-3-3-hxy-hero.glb",
"model_3d_plain": "lm2596s-3-3-hxy-etched.glb",
"model_3d_step": "lm2596s-3-3-hxy-etched.step",
"model_3d_step_plain": "lm2596s-3-3-hxy.step",
"lbr": "lm2596s-3-3-hxy.lbr"
},
"distributor_links": {
"lcsc": "C19626973"
},
"distributor_check": {
"checked_at": "2026-10-23T12:48:18Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "Vin",
"type": "power_in",
"description": "Input supply voltage, rated -0.3 to 45 V absolute maximum."
},
{
"number": "2",
"name": "Output",
"type": "output",
"description": "Switching output of the regulator; pin voltage -0.3 to Vin+0.3 V and not below -1 V to ground in steady state."
},
{
"number": "3",
"name": "Gnd",
"type": "power_in",
"description": "Ground."
},
{
"number": "4",
"name": "Feedback",
"type": "input",
"description": "Output voltage feedback pin, rated -0.3 to Vin+0.3 V."
},
{
"number": "5",
"name": "ON/OFF",
"type": "input",
"description": "Shutdown input, active low or floating for regulator on; pin voltage -0.3 to Vin+0.3 V."
},
{
"number": "6",
"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: Pin types are inferred from the pin descriptions. The datasheet gives no pin-type table. The package"
],
"pages_sent": 9,
"cost_usd": 0.0526,
"at": "2026-10-23T12:48:06"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/0252520f84988454c46c9cf6096034a4.pdf",
"pages": 9,
"sha256": "c8dc5079f9e12376",
"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": "lm2596s-3-3-hxy.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
15,
10,
4.42
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lm2596s-3-3-hxy-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
15,
10,
4.42
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "740cc21c2bfce596e99f5ff000528873811895e6284e8d3756f9c4a30cb18947",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "HXY MOSFET",
"Package": "TO-263-5L",
"Category": "Power Supply Chip",
"Pins": "6"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "c8dc5079f9e12376a3e3b13a6257d44596ed123c80758b8b5b269bed0ad1f4e8",
"rows": [
{
"name": "Output Voltage (3.3V version)",
"symbol": "Vout",
"kind": "electrical",
"unit": "V",
"min": 3.168,
"typ": 3.3,
"max": 3.432,
"conditions": "4.75V≤VIN≤40V, 0.5A≤ILOAD≤3.5A",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Efficiency (3.3V version)",
"symbol": "η",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 76,
"max": null,
"conditions": "VIN=12V, ILOAD=3.5A",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Quiescent current",
"symbol": "IQ",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 5,
"max": 10,
"conditions": "VFB=12V force driver off",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Standby quiescent current",
"symbol": "ISTBY",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 80,
"max": 200,
"conditions": "ON/OFF=5V, VIN=36V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Oscillator frequency",
"symbol": "FOSC",
"kind": "electrical",
"unit": "KHz",
"min": 127,
"typ": 150,
"max": 173,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Saturation voltage",
"symbol": "VSAT",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.2,
"max": 1.4,
"conditions": "IOUT=3.5A",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Current limit",
"symbol": "ICL",
"kind": "electrical",
"unit": "A",
"min": 4.5,
"typ": null,
"max": 5.5,
"conditions": "Peak Current (VFB=0V)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output leakage current",
"symbol": "IL",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 50,
"conditions": "Output=0V (VFB=12V)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output leakage current",
"symbol": "IL",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2,
"max": 30,
"conditions": "Output=-1V (VIN=36V)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ON/OFF pin logic input Low (Regulator ON)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.3,
"max": 1.6,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ON/OFF threshold voltage High (Regulator OFF)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": 1.3,
"max": null,
"conditions": "Regulator OFF",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ON/OFF pin input current",
"symbol": "IH",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 5,
"max": 15,
"conditions": "VLOGIC=2.5V (Regulator OFF)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ON/OFF pin input current",
"symbol": "IL",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 0.02,
"max": 5,
"conditions": "VLOGIC=0.5V (Regulator ON)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction to Case",
"symbol": "θJC",
"kind": "thermal",
"unit": "C/W",
"min": null,
"typ": 3.5,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction to Ambient",
"symbol": "θJA",
"kind": "thermal",
"unit": "C/W",
"min": null,
"typ": 23,
"max": null,
"conditions": "Copper area approx. 3 in2",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply Voltage",
"symbol": "Vin",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 45,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Feedback VFB pin voltage",
"symbol": "VFB",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "-0.3 to Vin+0.3",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ON/OFF Pin voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "-0.3 to Vin+0.3",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output pin voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "-0.3 to Vin+0.3",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Voltage to Ground (Steady State)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -1,
"typ": null,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating Temperature Range",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Lead Temperature (Soldering, 10 sec)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 200,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ESD (HM)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 2000,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Thermal Resistance-Junction to Ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "ºC / W",
"min": null,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Thermal Resistance-Junction to Case",
"symbol": "RθJC",
"kind": "thermal",
"unit": "ºC / W",
"min": null,
"typ": null,
"max": 45,
"conditions": "",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lm2596s-3.3-hxy"
],
"discovery_pitch": "LM2596S-3.3-HXY (HXY MOSFET) 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",
"lm2596s-3-3-hxy.kicad_sym",
"lm2596s-3-3-hxy.kicad_mod",
"lm2596s-3-3-hxy.glb",
"lm2596s-3-3-hxy.step",
"lm2596s-3-3-hxy.lbr",
"docs/hero.png",
"docs/lm2596s-3-3-hxy-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lm2596s-3-3-hxy-hero.glb",
"lm2596s-3-3-hxy-hero.overlay.json",
"lm2596s-3-3-hxy-etched.glb"
],
"visibility": {
"public": true
}
}