component
LV3842XFDBVR
Public Made by Adomby adom
TEXAS INSTRUMENTS Global Sourcing Parts, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770
{
"schema_version": 1,
"type": "component",
"slug": "lv3842xfdbvr",
"title": "LV3842XFDBVR",
"brief": "TEXAS INSTRUMENTS Global Sourcing Parts, SOT-23-6. 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",
"global sourcing parts",
"lv3842xfdbvr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LV3842XFDBVR",
"manufacturer": "TEXAS INSTRUMENTS",
"package": "SOT-23-6",
"pin_count": 6,
"category": "Global Sourcing Parts",
"subcategory": "Global Sourcing Parts",
"datasheet": "https://www.ti.com.cn/cn/lit/ds/symlink/lv3842.pdf?ts=1734489727569&ref_url=https%253A%252F%252Fwww.ti.com.cn%252Fsitesearch%252Fzh-cn%252Fdocs%252Funiversalsearch.tsp%253FlangPref%253Dzh-CN%2526nr%253D7%2526searchTerm%253DLV3842XFDBVR",
"parts": {
"symbol": "lv3842xfdbvr.kicad_sym",
"footprint": "lv3842xfdbvr.kicad_mod",
"model_3d": "lv3842xfdbvr-hero.glb",
"model_3d_plain": "lv3842xfdbvr-etched.glb",
"model_3d_step": "lv3842xfdbvr-etched.step",
"model_3d_step_plain": "lv3842xfdbvr.step",
"lbr": "lv3842xfdbvr.lbr"
},
"distributor_links": {
"lcsc": "C22428295",
"digikey": "296-LV3842XFDBVR-ND",
"mouser": "595-LV3842XFDBVR"
},
"distributor_check": {
"checked_at": "2026-10-17T06:45:12Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-LV3842XFDBVR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-LV3842XFDBVR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "CB",
"type": "power_out",
"description": "Bootstrap capacitor connection for the high-side FET driver; connect a high-quality 100 nF capacitor from this pin to the SW pin."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Power ground terminal connected internally to the low-side FET source; connect to system ground and the ground side of CIN and COUT, keeping the path to CIN as short as possible."
},
{
"number": "3",
"name": "FB",
"type": "input",
"description": "Feedback input to the converter, where a resistor divider sets the output voltage; never short this terminal to ground during operation."
},
{
"number": "4",
"name": "EN",
"type": "input",
"description": "Precision enable input (High = on, Low = off) that must not float and can be tied to VIN, with adjustable UVLO set by an external resistor divider."
},
{
"number": "5",
"name": "VIN",
"type": "power_in",
"description": "Supply input to the internal bias LDO and high-side FET, with input bypass capacitors CIN connected directly to this pin and GND; recommended range 4 V to 36 V, absolute maximum 40 V."
},
{
"number": "6",
"name": "SW",
"type": "power_out",
"description": "Switching output of the converter, internally connected to the high-side FET source and low-side FET drain, to be connected to the power inductor."
}
],
"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: ERC types are mapped from the datasheet's Table 6-1 classes (P = Power, A = Analog, G = Ground). CB ; The pin table (Table 6-1, page 4) covers the DBV package and applies to the device family. The MPN L; The recommended VIN range (4 V to 36 V) and absolute maximum (40 V) are taken from the Absolute Maxi"
],
"pages_sent": 8,
"cost_usd": 0.0391,
"at": "2026-10-17T06:43:32"
},
"datasheet": {
"url": "https://www.ti.com.cn/cn/lit/ds/symlink/lv3842.pdf?ts=1734489727569&ref_url=https%253A%252F%252Fwww.ti.com.cn%252Fsitesearch%252Fzh-cn%252Fdocs%252Funiversalsearch.tsp%253FlangPref%253Dzh-CN%2526nr%253D7%2526searchTerm%253DLV3842XFDBVR",
"pages": 33,
"sha256": "07a1d11a61f0cd81",
"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": "lv3842xfdbvr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
1.55
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lv3842xfdbvr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
1.55
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f84181c7da24a8a87873b08dbb0c80993d21658f941ff30163316ab057bf3156",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "TEXAS INSTRUMENTS",
"Package": "SOT-23-6",
"Category": "Global Sourcing Parts",
"Pins": "6"
},
"appearance": {
"contacts": {
"quote": "The SW pin connecting to the inductor must be as short as possible, and just wide enough to carry the load current without excessive heating. Short, thick traces or copper pours (shapes) must be used ",
"page": 21,
"doc": "ds.pdf",
"material": "copper"
},
"version": 1,
"datasheet_sha256": "07a1d11a61f0cd81d13329ab536c69f258c71db03c9b0db309a94ed2ddbe17b8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "07a1d11a61f0cd81d13329ab536c69f258c71db03c9b0db309a94ed2ddbe17b8",
"rows": [
{
"name": "VIN operation input voltage",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": null,
"max": 36,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "VIN UVLO rising threshold",
"symbol": "VIN_UVLO",
"kind": "electrical",
"unit": "V",
"min": 3.55,
"typ": 3.75,
"max": 4,
"conditions": "Rising threshold",
"source_page": 6,
"source": "datasheet"
},
{
"name": "VIN UVLO falling threshold",
"symbol": "VIN_UVLO",
"kind": "electrical",
"unit": "V",
"min": 3.25,
"typ": 3.45,
"max": 3.65,
"conditions": "Falling threshold",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Shutdown current",
"symbol": "ISHDN",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 3,
"max": 10,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Enable rising threshold voltage",
"symbol": "VEN_H",
"kind": "electrical",
"unit": "V",
"min": 1.1,
"typ": 1.23,
"max": 1.36,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Enable falling threshold voltage",
"symbol": "VEN_L",
"kind": "electrical",
"unit": "V",
"min": 0.95,
"typ": 1.1,
"max": 1.22,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Leakage current at EN pin",
"symbol": "IEN",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": 10,
"max": 200,
"conditions": "VEN = 3.3 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Reference voltage",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 0.995,
"typ": 1,
"max": 1.005,
"conditions": "TJ = 25 °C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Reference voltage",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 0.98,
"typ": 1,
"max": 1.02,
"conditions": "TJ = –40°C to 125°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Leakage current at FB pin",
"symbol": "IFB",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": 0.2,
"max": 50,
"conditions": "VFB = 1.2 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Recommended input voltage VIN to GND",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": 4,
"typ": null,
"max": 36,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Recommended FB voltage",
"symbol": "FB",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 4.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Recommended EN voltage",
"symbol": "EN",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Recommended output voltage",
"symbol": "VOUT",
"kind": "recommended_operating",
"unit": "V",
"min": 1,
"typ": null,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Recommended output current",
"symbol": "IOUT",
"kind": "recommended_operating",
"unit": "mA",
"min": 0,
"typ": null,
"max": 600,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating junction temperature range",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VIN to GND",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "EN to GND",
"symbol": "EN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "FB to GND",
"symbol": "FB",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "SW to GND",
"symbol": "SW",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "SW to GND transient",
"symbol": "SW",
"kind": "absolute_maximum",
"unit": "V",
"min": -3.5,
"typ": null,
"max": 40,
"conditions": "less than 10 ns transient",
"source_page": 5,
"source": "datasheet"
},
{
"name": "CB to SW",
"symbol": "CB",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Oscillator frequency",
"symbol": "fSW",
"kind": "timing",
"unit": "MHz",
"min": 0.935,
"typ": 1.1,
"max": 1.265,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VIN UVLO hysteresis",
"symbol": "VIN_UVLO",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.3,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Enable hysteresis voltage",
"symbol": "VEN_HYS",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.13,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Negative current limit (FPWM version)",
"symbol": "ILS_NEG",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": -0.5,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Peak inductor current limit",
"symbol": "IHS_LIMIT",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 1.1,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Valley inductor current limit",
"symbol": "ILS_LIMIT",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 0.8,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Hiccup threshold of FB pin",
"symbol": "VHICCUP",
"kind": "electrical",
"unit": "% of reference voltage",
"min": null,
"typ": 40,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High-side MOSFET ON-resistance",
"symbol": "RDS_ON_HS",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 550,
"max": null,
"conditions": "TJ = 25°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low-side MOSFET ON-resistance",
"symbol": "RDS_ON_LS",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 285,
"max": null,
"conditions": "TJ = 25°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Thermal shutdown threshold",
"symbol": "TSHDN",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 170,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Thermal shutdown hysteresis",
"symbol": "THYS",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 12,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Internal soft-start time",
"symbol": "tSS",
"kind": "timing",
"unit": "ms",
"min": null,
"typ": 1.8,
"max": null,
"conditions": "Time of internal reference to increase from 10% to 90% of VREF, VIN = 12 V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Hiccup time",
"symbol": "THICCUP",
"kind": "timing",
"unit": "ms",
"min": null,
"typ": 135,
"max": null,
"conditions": "VIN = 12 V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Minimum turn-on time",
"symbol": "tON_MIN",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 70,
"max": null,
"conditions": "IOUT = 600 mA",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Minimum turn-off time",
"symbol": "tOFF_MIN",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 100,
"max": null,
"conditions": "IOUT = 600 mA",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Maximum turn-on time",
"symbol": "tON_MAX",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": 7.5,
"max": null,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Junction-to-ambient thermal resistance",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 173,
"max": null,
"conditions": "DBV (6 pins)",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-case (TOP) thermal resistance",
"symbol": "RθJC_T",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 116,
"max": null,
"conditions": "DBV (6 pins)",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-case (BOTTOM) thermal resistance",
"symbol": "RθJC_B",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 31,
"max": null,
"conditions": "DBV (6 pins)",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-top characterization parameter",
"symbol": "ψJT",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 20,
"max": null,
"conditions": "DBV (6 pins)",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-board characterization parameter",
"symbol": "ψJB",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 30,
"max": null,
"conditions": "DBV (6 pins)",
"source_page": 5,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lv3842xfdbvr"
],
"discovery_pitch": "LV3842XFDBVR (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",
"lv3842xfdbvr.kicad_sym",
"lv3842xfdbvr.kicad_mod",
"lv3842xfdbvr.glb",
"lv3842xfdbvr.step",
"lv3842xfdbvr.lbr",
"docs/hero.png",
"docs/lv3842xfdbvr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lv3842xfdbvr-hero.glb",
"lv3842xfdbvr-hero.overlay.json",
"lv3842xfdbvr-etched.glb"
],
"visibility": {
"public": true
}
}