component
LM2594HVM-12
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
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{
"schema_version": 1,
"type": "component",
"slug": "lm2594hvm-12",
"title": "LM2594HVM-12",
"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",
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"lm2594hvm-12",
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],
"component": {
"mpn": "LM2594HVM-12",
"manufacturer": "UMW",
"package": "SOP-8",
"pin_count": 8,
"category": "Power Supply Chip",
"subcategory": "DC-DC Converters",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d59dd3eaac46907dd5b0239e92a059a8.pdf",
"parts": {
"symbol": "lm2594hvm-12.kicad_sym",
"footprint": "lm2594hvm-12.kicad_mod",
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"model_3d_plain": "lm2594hvm-12-etched.glb",
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"model_3d_step_plain": "lm2594hvm-12.step",
"lbr": "lm2594hvm-12.lbr"
},
"distributor_links": {
"lcsc": "C3029049",
"digikey": "4518-LM2594HVM-12TR-ND",
"mouser": "926-LM2594HVM-12"
},
"distributor_check": {
"checked_at": "2026-10-22T05:47:35Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "4518-LM2594HVM-12TR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "926-LM2594HVM-12",
"status": "found",
"lifecycle": "Obsolete"
}
},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "3",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "4",
"name": "Feedback",
"type": "input",
"description": "Feedback pin (FB) that senses the output voltage through the output (fixed-version or external resistor divider) network to regulate it, with a feedback threshold voltage of 1.23V."
},
{
"number": "5",
"name": "ON/OFF",
"type": "input",
"description": "Enable pin: drive low to turn the device on, drive high to turn it off; floating is default low."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Ground pin; layout care is needed, placed outside of the Schottky diode to output capacitor ground path to prevent switching current spikes from inducing voltage noise."
},
{
"number": "7",
"name": "VIN",
"type": "power_in",
"description": "Supply voltage input pin; bypass VIN to GND with a suitably large capacitor to eliminate noise on the input (recommended maximum 60V for the HV version)."
},
{
"number": "8",
"name": "Output",
"type": "output",
"description": "Power switch output pin (SW), the switch node that supplies power to the output."
}
],
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"extractor": "extract_pins 0.3",
"factory_chain": {
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"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 names and numbers in a different order from the descriptions, so I matched them ; The VIN description says 4.5V to 40V. That is the non-HV figure. The HV part (LM2594HVM-12) is rated; Pin types are inferred from the functions described. The datasheet does not state types."
],
"pages_sent": 17,
"cost_usd": 0.0915,
"at": "2026-10-22T05:46:04"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/d59dd3eaac46907dd5b0239e92a059a8.pdf",
"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": {
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"footprint": "viewers/footprint.html"
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"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": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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}
]
},
"metadata": {
"specs": {
"Manufacturer": "UMW",
"Package": "SOP-8",
"Category": "Power Supply Chip",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "b4935ffaa609c227aac0282b850d3bd1176166c46d695157d329c2615909d8fc",
"rows": [
{
"name": "Output Voltage (12V version)",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": 11.52,
"typ": 12,
"max": 12.48,
"conditions": "VIN=15V to 40V, 60V(HV), ILOAD=0.2A to 1.5A",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Efficiency (12V version)",
"symbol": "η",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 90,
"max": null,
"conditions": "VIN=25V, VOUT=12V, IOUT=1.5A",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Shutdown Supply Current",
"symbol": "ISTBY",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 80,
"max": 200,
"conditions": "VON/OFF=5V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Quiescent Supply Current",
"symbol": "IQ",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2,
"max": 10,
"conditions": "VON/OFF=0V, VFB=VIN",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Oscillator Frequency",
"symbol": "FOSC",
"kind": "electrical",
"unit": "Khz",
"min": 117,
"typ": 150,
"max": 183,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Switch Current Limit",
"symbol": "IL",
"kind": "electrical",
"unit": "A",
"min": 2,
"typ": null,
"max": 5,
"conditions": "VFB=0",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Supply Voltage (HV)",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 60,
"conditions": "LM2594(HV)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating Temperature",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating Temperature (ordering)",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "LM2594HVM-12 ordering information",
"source_page": 16,
"source": "datasheet"
},
{
"name": "Input Voltage (HV)",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 63,
"conditions": "LM2594(HV)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Feedback Pin Voltage",
"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",
"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",
"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",
"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": "Thermal Resistance Junction to Ambient (SOP-8)",
"symbol": "RJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 100,
"conditions": "No Heatsink, Free Air",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
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],
"discovery_triggers": [
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],
"discovery_pitch": "LM2594HVM-12 (UMW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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}