component
MP1482DS-LF-Z
Public Made by Adomby adom
Monolithic Power Systems DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665
{
"schema_version": 1,
"type": "component",
"slug": "mp1482ds-lf-z",
"title": "MP1482DS-LF-Z",
"brief": "Monolithic Power Systems DC-DC Converters, SOIC-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)",
"mp1482ds-lf-z",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MP1482DS-LF-Z",
"manufacturer": "Monolithic Power Systems",
"package": "SOIC-8",
"pin_count": 8,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579707716765605888",
"parts": {
"symbol": "mp1482ds-lf-z.kicad_sym",
"footprint": "mp1482ds-lf-z.kicad_mod",
"model_3d": "mp1482ds-lf-z-hero.glb",
"model_3d_plain": "mp1482ds-lf-z-etched.glb",
"model_3d_step": "mp1482ds-lf-z-etched.step",
"model_3d_step_plain": "mp1482ds-lf-z.step",
"lbr": "mp1482ds-lf-z.lbr"
},
"distributor_links": {
"lcsc": "C14867",
"digikey": "1589-1524-2-ND",
"mouser": "946-MP1482DSLFZ"
},
"distributor_check": {
"checked_at": "2026-10-18T02:13:24Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "1589-1524-2-ND",
"status": "found",
"lifecycle": "Not For New Designs"
},
"mouser": {
"pn": "946-MP1482DSLFZ",
"status": "found",
"lifecycle": "Not Recommended for New Designs"
}
},
"pins": [
{
"number": "1",
"name": "BS",
"type": "power_in",
"description": "High-side gate drive boost input; connect a 0.01µF or greater capacitor from SW to BS to power the high-side switch."
},
{
"number": "2",
"name": "IN",
"type": "power_in",
"description": "Power input that supplies the IC and the step-down switches; drive it with a 4.75V to 18V source and bypass it to GND with a suitably large capacitor."
},
{
"number": "3",
"name": "SW",
"type": "output",
"description": "Power switching output node that supplies the output through the LC filter; a capacitor is required from SW to BS to power the high-side switch."
},
{
"number": "4",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "5",
"name": "FB",
"type": "input",
"description": "Feedback input that senses the output voltage through a resistive divider; the feedback threshold is 0.923V."
},
{
"number": "6",
"name": "COMP",
"type": "passive",
"description": "Compensation node for the control loop; connect a series RC network from COMP to GND, with an additional capacitor from COMP to GND in some cases."
},
{
"number": "7",
"name": "EN",
"type": "input",
"description": "Digital enable input that turns the regulator on when driven high and off when driven low; pull up with a 100kΩ resistor for automatic startup."
},
{
"number": "8",
"name": "SS",
"type": "passive",
"description": "Soft-start control input; a capacitor from SS to GND sets the soft-start period (0.1µF gives 15ms), and leaving SS unconnected disables soft-start."
}
],
"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: The ordering table lists only the SOIC8 package for MP1482DS; the -LF-Z suffix denotes RoHS-complian; The datasheet gives pin functions but not KiCad electrical types. Types for BS, SW, COMP and SS were; The datasheet is marked 'NOT RECOMMENDED FOR NEW DESIGNS, REFER TO MP1476' on every page. The pinout"
],
"pages_sent": 12,
"cost_usd": 0.068,
"at": "2026-10-18T02:11:19"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579707716765605888",
"pages": 12,
"sha256": "25e37463b8d998ec",
"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": "mp1482ds-lf-z.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": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mp1482ds-lf-z-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": "c78a772196d639fce9a2c101312b7c04ce2e266c4237534f6e9aa0dabf04cc3a",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Monolithic Power Systems",
"Package": "SOIC-8",
"Category": "Power Management (PMIC)",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "25e37463b8d998ec94ce1ea93cabcf79f8b04404748265fa33211543eddff66c",
"rows": [
{
"name": "Shutdown Supply Current",
"symbol": "",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 1,
"max": 3,
"conditions": "VEN = 0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply Current",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.3,
"max": 1.5,
"conditions": "VEN = 2.0V; VFB = 1.0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Feedback Voltage",
"symbol": "VFB",
"kind": "electrical",
"unit": "V",
"min": 0.9,
"typ": 0.923,
"max": 0.946,
"conditions": "4.75V ≤ VIN ≤ 18V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Upper Switch Current Limit Minimum Duty Cycle",
"symbol": "",
"kind": "electrical",
"unit": "A",
"min": 2.4,
"typ": null,
"max": 3.4,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Oscillation Frequency",
"symbol": "Fosc1",
"kind": "electrical",
"unit": "kHz",
"min": 305,
"typ": 340,
"max": 375,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "EN Shutdown Threshold Voltage",
"symbol": "VEN",
"kind": "electrical",
"unit": "V",
"min": 1.1,
"typ": 1.5,
"max": 2,
"conditions": "VEN Rising",
"source_page": 3,
"source": "datasheet"
},
{
"name": "EN Lockout Threshold Voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 2.2,
"typ": 2.5,
"max": 2.7,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input Under Voltage Lockout Threshold",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 3.8,
"typ": 4.1,
"max": 4.4,
"conditions": "VIN Rising",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input Voltage",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 20,
"conditions": "Supply Voltage",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Switch Node Voltage",
"symbol": "VSW",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 21,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Boost Voltage",
"symbol": "VBS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "Referenced to VSW: VSW – 0.3V to VSW + 6V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "All Other Pins",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input Voltage",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": 4.75,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Voltage",
"symbol": "VOUT",
"kind": "recommended_operating",
"unit": "V",
"min": 0.923,
"typ": null,
"max": 15,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Feedback Overvoltage Threshold",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.1,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Error Amplifier Voltage Gain",
"symbol": "AEA",
"kind": "electrical",
"unit": "V/V",
"min": null,
"typ": 400,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Error Amplifier Transconductance",
"symbol": "GEA",
"kind": "electrical",
"unit": "μA/V",
"min": null,
"typ": 800,
"max": null,
"conditions": "IC = 10μA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "High-Side Switch On Resistance",
"symbol": "RDS(ON)1",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 130,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Low-Side Switch On Resistance",
"symbol": "RDS(ON)2",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 130,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "High-Side Switch Leakage Current",
"symbol": "",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 10,
"max": null,
"conditions": "VEN = 0V, VSW = 0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Lower Switch Current Limit",
"symbol": "",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 1.1,
"max": null,
"conditions": "From Drain to Source",
"source_page": 3,
"source": "datasheet"
},
{
"name": "COMP to Current Sense Transconductance",
"symbol": "GCS",
"kind": "electrical",
"unit": "A/V",
"min": null,
"typ": 3.5,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Short Circuit Oscillation Frequency",
"symbol": "Fosc2",
"kind": "electrical",
"unit": "kHz",
"min": null,
"typ": 100,
"max": null,
"conditions": "VFB = 0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Maximum Duty Cycle",
"symbol": "DMAX",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 90,
"max": null,
"conditions": "VFB = 1.0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Minimum On Time",
"symbol": "",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": 220,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "EN Shutdown Threshold Voltage Hysteresis",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 210,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "EN Lockout Threshold Hysteresis",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 210,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input Under Voltage Lockout Threshold Hysteresis",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 210,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Soft-Start Current",
"symbol": "",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 6,
"max": null,
"conditions": "VSS = 0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Soft-Start Period",
"symbol": "",
"kind": "electrical",
"unit": "ms",
"min": null,
"typ": 15,
"max": null,
"conditions": "CSS = 0.1μF",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Thermal Shutdown",
"symbol": "",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 160,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction-to-Ambient",
"symbol": "θJA",
"kind": "thermal",
"unit": "C/W",
"min": null,
"typ": 90,
"max": null,
"conditions": "SOIC8, measured on JESD51-7, 4-layer board",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction-to-Case",
"symbol": "θJC",
"kind": "thermal",
"unit": "C/W",
"min": null,
"typ": 45,
"max": null,
"conditions": "SOIC8, measured on JESD51-7, 4-layer board",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"mp1482ds-lf-z"
],
"discovery_pitch": "MP1482DS-LF-Z (Monolithic Power Systems) 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",
"mp1482ds-lf-z.kicad_sym",
"mp1482ds-lf-z.kicad_mod",
"mp1482ds-lf-z.glb",
"mp1482ds-lf-z.step",
"mp1482ds-lf-z.lbr",
"docs/hero.png",
"docs/mp1482ds-lf-z-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"mp1482ds-lf-z-hero.glb",
"mp1482ds-lf-z-hero.overlay.json",
"mp1482ds-lf-z-etched.glb"
],
"visibility": {
"public": true
}
}