component
XB431-TL
Public Made by Adomby adom
XINLUDA Voltage References, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451
{
"schema_version": 1,
"type": "component",
"slug": "xb431-tl",
"title": "XB431-TL",
"brief": "XINLUDA Voltage References, SOT-23. 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 ics",
"xb431-tl",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "XB431-TL",
"manufacturer": "XINLUDA",
"package": "SOT-23",
"pin_count": 3,
"category": "Power Management ICs",
"subcategory": "Voltage References",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8ebd834711dae1d29c77f17b7d31bf6b.pdf",
"parts": {
"symbol": "xb431-tl.kicad_sym",
"footprint": "xb431-tl.kicad_mod",
"model_3d": "xb431-tl-hero.glb",
"model_3d_plain": "xb431-tl-etched.glb",
"model_3d_step": "xb431-tl-etched.step",
"model_3d_step_plain": "xb431-tl.step",
"lbr": "xb431-tl.lbr"
},
"distributor_links": {
"lcsc": "C513497"
},
"distributor_check": {
"checked_at": "2026-11-05T00:41:28Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "Ref",
"type": "input",
"description": "REF input pin whose threshold is related to the voltage of the anode pin, which sets the programmed output voltage (2.5 V to 36 V range)."
},
{
"number": "2",
"name": "Cathode",
"type": "bidirectional",
"description": "Cathode is the voltage input and shunts the regulated current; recommended cathode voltage is up to 36 V and cathode current 1 mA to 100 mA."
},
{
"number": "3",
"name": "Anode",
"type": "output",
"description": "Anode must be connected directly to GND, per the datasheet pin function table."
}
],
"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 datasheet lists the Anode pin type as O (output), but the function note says to connect it to GN; The datasheet labels the Cathode pin as I/O; it is mapped to KiCad bidirectional on that basis.; The pin-number-to-position mapping comes from the 'Pin Functions' table only. The top-view package d"
],
"pages_sent": 5,
"cost_usd": 0.0171,
"at": "2026-11-05T00:41:19"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/8ebd834711dae1d29c77f17b7d31bf6b.pdf",
"pages": 5,
"sha256": "beaa04eb3af1a165",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 3,
"described": 3,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "xb431-tl.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
3,
1.2
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "xb431-tl-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
3,
1.2
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f1ee1a63074b55f0ff588799272bfdf07494d5fb2a9cdd5a0c20ee8f68303a4a",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "XINLUDA",
"Package": "SOT-23",
"Category": "Power Management ICs",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "beaa04eb3af1a165b959d038b2d39a22100ecb2129454379a6cd8658e0447c07",
"rows": [
{
"name": "Reference input voltage",
"symbol": "Vref",
"kind": "electrical",
"unit": "V",
"min": 2.483,
"typ": 2.495,
"max": 2.507,
"conditions": "VKA=VREF, IKA=10mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reference voltage tolerance at 25°C",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -0.5,
"typ": null,
"max": 0.5,
"conditions": "Printed as 2.495V ± 0.5% at 25°C (Features)",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Deviation of reference input voltage over temperature",
"symbol": "△Vref/△T",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 4.5,
"max": 17,
"conditions": "VKA=VREF, IKA=10mA, TMIN≤Ta≤TMAX (0 to 70℃)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Ratio of change in reference input voltage to change in cathode voltage (10V to VREF)",
"symbol": "△Vref/△VKA",
"kind": "electrical",
"unit": "mV/V",
"min": null,
"typ": -1.1,
"max": -2.9,
"conditions": "IKA=10mA, △VKA=10V~VREF",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Ratio of change in reference input voltage to change in cathode voltage (36V to 10V)",
"symbol": "△Vref/△VKA",
"kind": "electrical",
"unit": "mV/V",
"min": null,
"typ": -0.6,
"max": -2.2,
"conditions": "IKA=10mA, △VKA=36V~10V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reference input current",
"symbol": "Iref",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 1.6,
"max": 5,
"conditions": "IKA=10mA, R1=10kΩ, R2=∞",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Deviation of reference input current over full temperature range",
"symbol": "△Iref/△T",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.5,
"max": 1.3,
"conditions": "IKA=10mA, R1=10kΩ, R2=∞, TA=0℃ to 70℃",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Minimum cathode current for regulation",
"symbol": "IKA(min)",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.45,
"max": 1,
"conditions": "VKA=VREF",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Off-state cathode current",
"symbol": "IKA(OFF)",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.05,
"max": 1.1,
"conditions": "VKA=36V, VREF=0",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Dynamic impedance",
"symbol": "ZKA",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 0.2,
"max": 0.5,
"conditions": "VKA=VREF, IKA=1 to 100mA, f≤1.0kHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Cathode voltage (absolute maximum)",
"symbol": "VKA",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 37,
"conditions": "Operating ambient temperature range applies unless otherwise specified",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Cathode current range (continuous)",
"symbol": "IKA",
"kind": "absolute_maximum",
"unit": "mA",
"min": -100,
"typ": null,
"max": 150,
"conditions": "Continuous",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reference input current range",
"symbol": "Iref",
"kind": "absolute_maximum",
"unit": "mA",
"min": 0.05,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 300,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal resistance from junction to ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": null,
"max": 420,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating ambient temperature",
"symbol": "Topr",
"kind": "absolute_maximum",
"unit": "℃",
"min": -20,
"typ": null,
"max": 80,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Cathode voltage (recommended)",
"symbol": "VKA",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": 36,
"max": null,
"conditions": "Recommended operating conditions",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Cathode current range (continuous, recommended)",
"symbol": "IKA",
"kind": "recommended_operating",
"unit": "mA",
"min": 1,
"typ": null,
"max": 100,
"conditions": "Continuous",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating ambient temperature range (recommended)",
"symbol": "Topr",
"kind": "recommended_operating",
"unit": "℃",
"min": 0,
"typ": null,
"max": 70,
"conditions": "",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"xb431-tl"
],
"discovery_pitch": "XB431-TL (XINLUDA) 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",
"xb431-tl.kicad_sym",
"xb431-tl.kicad_mod",
"xb431-tl.glb",
"xb431-tl.step",
"xb431-tl.lbr",
"docs/hero.png",
"docs/xb431-tl-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"xb431-tl-hero.glb",
"xb431-tl-hero.overlay.json",
"xb431-tl-etched.glb"
],
"visibility": {
"public": true
}
}