component
LM2594HVM-ADJ
Public Made by Adomby adom
UMW DC-DC Converters, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385
{
"schema_version": 1,
"type": "component",
"slug": "lm2594hvm-adj",
"title": "LM2594HVM-ADJ",
"brief": "UMW DC-DC Converters, SOP-8. 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 (pmic)",
"lm2594hvm-adj",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LM2594HVM-ADJ",
"manufacturer": "UMW",
"package": "SOP-8",
"pin_count": 8,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757270494863474688",
"parts": {
"symbol": "lm2594hvm-adj.kicad_sym",
"footprint": "lm2594hvm-adj.kicad_mod",
"model_3d": "lm2594hvm-adj-hero.glb",
"model_3d_plain": "lm2594hvm-adj-etched.glb",
"model_3d_step": "lm2594hvm-adj-etched.step",
"model_3d_step_plain": "lm2594hvm-adj.step",
"lbr": "lm2594hvm-adj.lbr"
},
"distributor_links": {
"lcsc": "C5158043"
},
"distributor_check": {
"checked_at": "2026-10-17T19:35:30Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "No connection; the datasheet lists pins 1, 2 and 3 as NC with no function."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "No connection; the datasheet lists pins 1, 2 and 3 as NC with no function."
},
{
"number": "3",
"name": "NC",
"type": "unconnected",
"description": "No connection; the datasheet lists pins 1, 2 and 3 as NC with no function."
},
{
"number": "4",
"name": "Feedback",
"type": "input",
"description": "Feedback pin (FB) senses the output voltage through an external resistor divider and regulates it to a feedback threshold voltage of 1.23V."
},
{
"number": "5",
"name": "ON/OFF",
"type": "input",
"description": "Enable pin: drive low to turn the device on and high to turn it off, with TTL shutdown and hysteresis; floating defaults to low (on)."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be placed outside the Schottky diode to output capacitor ground path to prevent switching current spikes from inducing noise into the device."
},
{
"number": "7",
"name": "VIN",
"type": "power_in",
"description": "Supply voltage input pin; the device operates from 4.5V to 40V DC and VIN should be bypassed to GND with a suitably large capacitor."
},
{
"number": "8",
"name": "Output",
"type": "output",
"description": "Power switch output (SW) pin, the switch node that supplies power to the output."
}
],
"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: Pins 1, 2 and 3 are NC (no connection) per the pin table; descriptions were taken from the table row; The page 2 pin table is garbled in the text extraction: the pin-number row (7, 6, 4, 8, 5) was align; VIN text states 4.5V to 40V, but the HV version recommended operating range is 4.5V to 60V (page 4),"
],
"pages_sent": 17,
"cost_usd": 0.0431,
"at": "2026-10-17T19:33:54"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757270494863474688",
"pages": 17,
"sha256": "b4935ffaa609c227",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "lm2594hvm-adj.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lm2594hvm-adj-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "84c89eedb7b1fe2f919217a3e6b1fb98e31de455ca6990fbdccbe1e097f3ea7d",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "UMW",
"Package": "SOP-8",
"Category": "Power Management (PMIC)",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "b4935ffaa609c227aac0282b850d3bd1176166c46d695157d329c2615909d8fc",
"rows": [
{
"name": "Output voltage (ADJ version)",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": 1.193,
"typ": 1.23,
"max": 1.267,
"conditions": "VIN=4.5V to 40V, 57V(HV); ILOAD=0.2A to 1.5A; VIN=12V, VOUT=3V, IOUT=1.5A",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Oscillator frequency",
"symbol": "FOSC",
"kind": "electrical",
"unit": "Khz",
"min": 117,
"typ": 150,
"max": 183,
"conditions": "VFB=0",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output saturation voltage",
"symbol": "VCE",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.2,
"max": 1.4,
"conditions": "VFB=0, lOUT=1.5A",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Input voltage (HV version, absolute maximum)",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 63,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Feedback pin voltage (absolute maximum)",
"symbol": "VFB",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ON/OFF pin voltage (absolute maximum)",
"symbol": "VON/OFF",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating junction temperature (absolute maximum)",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Lead temperature (soldering, 10 sec)",
"symbol": "TLEAD",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "Soldering, 10 sec",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD (HBM)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 2000,
"conditions": "HBM",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply voltage (HV version, recommended operating)",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 60,
"conditions": "LM2594(HV)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating temperature (recommended)",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Thermal resistance, junction to ambient (SOP-8)",
"symbol": "RJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 100,
"max": null,
"conditions": "Junction to ambient, no heatsink, free air",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lm2594hvm-adj"
],
"discovery_pitch": "LM2594HVM-ADJ (UMW) 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",
"lm2594hvm-adj.kicad_sym",
"lm2594hvm-adj.kicad_mod",
"lm2594hvm-adj.glb",
"lm2594hvm-adj.step",
"lm2594hvm-adj.lbr",
"docs/hero.png",
"docs/lm2594hvm-adj-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lm2594hvm-adj-hero.glb",
"lm2594hvm-adj-hero.overlay.json",
"lm2594hvm-adj-etched.glb"
],
"visibility": {
"public": true
}
}