component
LM5050Q1MKX-1
Public Made by Adomby adom
Texas Instruments Power Distribution Switches, SOT-23-Thin-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613
{
"schema_version": 1,
"type": "component",
"slug": "lm5050q1mkx-1",
"title": "LM5050Q1MKX-1",
"brief": "Texas Instruments Power Distribution Switches, SOT-23-Thin-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 (pmic)",
"lm5050q1mkx-1",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LM5050Q1MKX-1",
"manufacturer": "Texas Instruments",
"package": "SOT-23-Thin-6",
"pin_count": 6,
"category": "Power Management (PMIC)",
"subcategory": "Power Distribution Switches",
"datasheet": "https://www.ti.com/cn/lit/gpn/lm5050-1-q1",
"parts": {
"symbol": "lm5050q1mkx-1.kicad_sym",
"footprint": "lm5050q1mkx-1.kicad_mod",
"model_3d": "lm5050q1mkx-1-hero.glb",
"model_3d_plain": "lm5050q1mkx-1-etched.glb",
"model_3d_step": "lm5050q1mkx-1-etched.step",
"model_3d_step_plain": "lm5050q1mkx-1.step",
"lbr": "lm5050q1mkx-1.lbr"
},
"distributor_links": {
"lcsc": "C701909"
},
"distributor_check": {
"checked_at": "2026-11-05T23:22:07Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VS",
"type": "power_in",
"description": "The main supply pin for all internal biasing and an auxiliary supply for the internal gate drive charge pump, typically connected to either VOUT or VIN."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground return for the controller."
},
{
"number": "3",
"name": "OFF",
"type": "input",
"description": "A logic high state at the OFF pin pulls the GATE pin low and turns off the external MOSFET, and the pin may be left open or connected to GND if unused."
},
{
"number": "4",
"name": "IN",
"type": "input",
"description": "Voltage sense connection to the external MOSFET source pin."
},
{
"number": "5",
"name": "GATE",
"type": "output",
"description": "Connects to the gate of the external MOSFET and controls it to emulate a low forward-voltage diode."
},
{
"number": "6",
"name": "OUT",
"type": "output",
"description": "Voltage sense connection to the external MOSFET drain pin."
}
],
"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: Pin types follow KiCad ERC classes. The datasheet labels VS as I and OUT as O; VS is typed power_in "
],
"pages_sent": 8,
"cost_usd": 0.0122,
"at": "2026-11-05T23:21:54"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/lm5050-1-q1",
"pages": 30,
"sha256": "a19aff0dbd94c07f",
"source_tier": "mfr"
},
"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": "lm5050q1mkx-1.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
0.95
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "1007b8f67a3e81e2c5182bfd1fd27afe4d8d3710e0bfa1a14b8a91db8b595eb5",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lm5050q1mkx-1-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
0.95
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "cf05d3dc2b336d549dfe594b89c85d8a6dcef6c1bb3f0ee76cdd9d4fb55ed3b3",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOT-23-Thin-6",
"Category": "Power Management (PMIC)",
"Pins": "6"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "a19aff0dbd94c07fb190fcbd6f2815bcb1f2a85512a7aeb7de4b63c2039b34f3",
"rows": [
{
"name": "IN, OUT, VS pins operating voltage range",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 5,
"typ": null,
"max": 75,
"conditions": "Over operating free-air temperature range",
"source_page": 4,
"source": "datasheet"
},
{
"name": "OFF pin voltage range",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 5.5,
"conditions": "Over operating free-air temperature range",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction temperature LM5050Q1MK-1",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "LM5050Q1MK-1",
"source_page": 4,
"source": "datasheet"
},
{
"name": "IN, OUT pins to ground",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 100,
"conditions": "Absolute maximum, see note 2",
"source_page": 4,
"source": "datasheet"
},
{
"name": "GATE pin to ground",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 100,
"conditions": "Absolute maximum, see note 2",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VS pin to ground",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 100,
"conditions": "Absolute maximum",
"source_page": 4,
"source": "datasheet"
},
{
"name": "OFF pin to ground",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "Absolute maximum",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "Absolute maximum",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD human-body model (AEC-Q100 for -Q1)",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -2000,
"typ": null,
"max": 2000,
"conditions": "HBM per AEC Q100-002, LM5050-1-Q1",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD machine model",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -150,
"typ": null,
"max": 150,
"conditions": "MM, LM5050-1-Q1",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating supply voltage range",
"symbol": "VVS",
"kind": "electrical",
"unit": "V",
"min": 5,
"typ": null,
"max": 75,
"conditions": "TJ = -40°C to 125°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating supply current VVS=5V, VIN=5V, VOUT=VIN-100mV",
"symbol": "IVS",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 105,
"conditions": "VVS=5 V, VIN=5 V, VOUT=VIN-100 mV, TJ = -40°C to 125°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating supply current VVS=12V, VIN=12V, VOUT=VIN-100mV",
"symbol": "IVS",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 147,
"conditions": "VVS=12 V, VIN=12 V, VOUT=VIN-100 mV, TJ = -40°C to 125°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating supply current VVS=75V, VIN=75V, VOUT=VIN-100mV",
"symbol": "IVS",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 288,
"conditions": "VVS=75 V, VIN=75 V, VOUT=VIN-100 mV, TJ = -40°C to 125°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating input voltage range",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 5,
"typ": null,
"max": 75,
"conditions": "TJ = -40°C to 125°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "IN pin current VIN=5V",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": 32,
"typ": null,
"max": 305,
"conditions": "VIN = 5 V, VVS=VIN, VOUT=VIN-100 mV, GATE=Open, TJ = -40°C to 125°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "IN pin current VIN=12V to 75V (LM5050Q1MK-1)",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": 233,
"typ": null,
"max": 400,
"conditions": "VIN = 12 V to 75 V, VVS=VIN, VOUT=VIN-100 mV, GATE=Open, TJ = -40°C to 125°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Gate pin source current VIN=5V",
"symbol": "IGATE(ON)",
"kind": "electrical",
"unit": "µA",
"min": 12,
"typ": null,
"max": 41,
"conditions": "VIN = 5 V, VVS=VIN, VGATE=VIN, VOUT=VIN-175 mV, TJ = -40°C to 125°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Gate pin source current VIN=12V to 75V",
"symbol": "IGATE(ON)",
"kind": "electrical",
"unit": "µA",
"min": 20,
"typ": null,
"max": 41,
"conditions": "VIN = 12 V to 75 V, VVS=VIN, VGATE=VIN, VOUT=VIN-175 mV, TJ = -40°C to 125°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VGATE - VIN in forward operation VIN=5V",
"symbol": "VGS",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": null,
"max": 9,
"conditions": "VIN = 5 V, VVS=VIN, VOUT=VIN-175 mV, TJ = -40°C to 125°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VGATE - VIN in forward operation VIN=12V to 75V",
"symbol": "VGS",
"kind": "electrical",
"unit": "V",
"min": 9,
"typ": null,
"max": 14,
"conditions": "VIN = 12 V to 75 V, VVS=VIN, VOUT=VIN-175 mV, TJ = -40°C to 125°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Gate capacitance discharge time at forward to reverse transition",
"symbol": "tGATE(REV)",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 85,
"conditions": "See Figure 1, CGATE = 0, TJ = -40°C to 125°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Gate capacitance discharge time at forward to reverse transition",
"symbol": "tGATE(REV)",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 350,
"conditions": "See Figure 1, CGATE = 47 nF, TJ = -40°C to 125°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Gate pin sink current",
"symbol": "IGATE(OFF)",
"kind": "electrical",
"unit": "A",
"min": 1.8,
"typ": null,
"max": null,
"conditions": "VGATE = VIN + 3 V, VOUT > VIN + 100 mV, t ≤ 10 ms, TJ = -40°C to 125°C, LM5050Q1MK-1",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Reverse VSD threshold",
"symbol": "VSD(REV)",
"kind": "electrical",
"unit": "mV",
"min": -41,
"typ": null,
"max": -16,
"conditions": "VIN < VOUT, VIN - VOUT, TJ = -40°C to 125°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Regulated forward VSD threshold VIN=5V",
"symbol": "VSD(REG)",
"kind": "electrical",
"unit": "mV",
"min": 1,
"typ": null,
"max": 37,
"conditions": "VIN = 5 V, VVS=VIN, VIN - VOUT, TJ = -40°C to 125°C, LM5050Q1MK-1",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Regulated forward VSD threshold VIN=12V",
"symbol": "VSD(REG)",
"kind": "electrical",
"unit": "mV",
"min": 4.4,
"typ": null,
"max": 37,
"conditions": "VIN = 12 V, VVS=VIN, VIN - VOUT, TJ = -40°C to 125°C, LM5050Q1MK-1",
"source_page": 6,
"source": "datasheet"
},
{
"name": "OFF pin internal pulldown",
"symbol": "IOFF",
"kind": "electrical",
"unit": "µA",
"min": 3,
"typ": null,
"max": 7,
"conditions": "VOFF = 4.5 V, TJ = -40°C to 125°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Junction-to-ambient thermal resistance",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 180.7,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction-to-case (top) thermal resistance",
"symbol": "RθJC(top)",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 41.3,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction-to-board thermal resistance",
"symbol": "RθJB",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 28.2,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction-to-top characterization parameter",
"symbol": "ψJT",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 0.7,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction-to-board characterization parameter",
"symbol": "ψJB",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 27.8,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lm5050q1mkx-1"
],
"discovery_pitch": "LM5050Q1MKX-1 (Texas Instruments) 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",
"lm5050q1mkx-1.kicad_sym",
"lm5050q1mkx-1.kicad_mod",
"lm5050q1mkx-1.glb",
"lm5050q1mkx-1.step",
"lm5050q1mkx-1.lbr",
"docs/hero.png",
"docs/lm5050q1mkx-1-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lm5050q1mkx-1-hero.glb",
"lm5050q1mkx-1-hero.overlay.json",
"lm5050q1mkx-1-etched.glb"
],
"visibility": {
"public": true
}
}