component
SY8156IADC
Public Made by Adomby adom
Silergy Corp DC-DC Converters, TSOT23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649
{
"schema_version": 1,
"type": "component",
"slug": "sy8156iadc",
"title": "SY8156IADC",
"brief": "Silergy Corp DC-DC Converters, TSOT23-6. 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)",
"sy8156iadc",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "SY8156IADC",
"manufacturer": "Silergy Corp",
"package": "TSOT23-6",
"pin_count": 6,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590445432154456064",
"parts": {
"symbol": "sy8156iadc.kicad_sym",
"footprint": "sy8156iadc.kicad_mod",
"model_3d": "sy8156iadc-hero.glb",
"model_3d_plain": "sy8156iadc-etched.glb",
"model_3d_step": "sy8156iadc-etched.step",
"model_3d_step_plain": "sy8156iadc.step",
"lbr": "sy8156iadc.lbr"
},
"distributor_links": {
"lcsc": "C5440953"
},
"distributor_check": {
"checked_at": "2026-10-18T14:57:27Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "FB",
"type": "input",
"description": "Feedback pin, connected to the center of the output resistor divider to set VOUT = 0.6×(1+RH/RL), with VREF of 591 mV to 609 mV (600 mV typ)."
},
{
"number": "2",
"name": "EN",
"type": "input",
"description": "Enable control pin, pulled high to turn the device on (rising threshold 1.08 V to 1.32 V) and must not be left floating."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Power ground pin."
},
{
"number": "4",
"name": "IN",
"type": "power_in",
"description": "Input supply pin, operating from 4.5 V to 18 V, to be decoupled to GND with at least a 10 µF ceramic capacitor."
},
{
"number": "5",
"name": "LX",
"type": "output",
"description": "Inductor pin connected to the switching node; absolute dynamic voltage in 10 ns is limited to IN+3 V to GND-5 V."
},
{
"number": "6",
"name": "BS",
"type": "passive",
"description": "Boot-strap pin supplying the high-side gate driver, connected through a 0.1 µF ceramic capacitor to LX, with BS-LX voltage limited to -0.3 V to 4 V."
}
],
"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 pin-to-number mapping was taken from the Pin Name / Pin Number table on page 2 because the top-v"
],
"pages_sent": 5,
"cost_usd": 0.031,
"at": "2026-10-18T14:55:26"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590445432154456064",
"pages": 5,
"sha256": "e57c0143ebfac301",
"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": "sy8156iadc.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": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sy8156iadc-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": "4b76d561a7262c81277853b03a8a7f6a3a40f792f1fc4a21dddaeb521b06ad92",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Silergy Corp",
"Package": "TSOT23-6",
"Category": "Power Management (PMIC)",
"Pins": "6"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "e57c0143ebfac301436e703c5ca0c662d6b121d27372120335bcaca4ddc54177",
"rows": [
{
"name": "Input Voltage Range",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Quiescent Current",
"symbol": "IQ",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 200,
"conditions": "IOUT=0, VFB=VREF×105%",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Shutdown Current",
"symbol": "ISHDN",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 5,
"max": 10,
"conditions": "EN=0",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Feedback Reference Voltage",
"symbol": "VREF",
"kind": "electrical",
"unit": "mV",
"min": 591,
"typ": 600,
"max": 609,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "FB Input Current",
"symbol": "IFB",
"kind": "electrical",
"unit": "nA",
"min": -50,
"typ": null,
"max": 50,
"conditions": "VFB=3.3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "EN Rising Threshold",
"symbol": "VEN,R",
"kind": "electrical",
"unit": "V",
"min": 1.08,
"typ": 1.2,
"max": 1.32,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "EN Falling Threshold",
"symbol": "VEN,F",
"kind": "electrical",
"unit": "V",
"min": 0.9,
"typ": 1,
"max": 1.1,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply Input Voltage (absolute maximum)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 19,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "LX, EN Voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Printed maximum is VIN + 0.3V (not numeric)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "FB, BS-LX Voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power Dissipation TSOT23-6",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 2.1,
"conditions": "TA = 25°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction Temperature Range (absolute maximum)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Lead Temperature (Soldering)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "10 sec.",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Supply Input Voltage (recommended)",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction Temperature Range (recommended)",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Ambient Temperature Range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "UVLO Threshold",
"symbol": "VUVLO",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 4.5,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "UVLO Hysteresis",
"symbol": "VHYS",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.3,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Discharge Resistance",
"symbol": "RDIS",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 50,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Top FET RON",
"symbol": "RDS(ON)1",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 29,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Bottom FET RON",
"symbol": "RDS(ON)2",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 19,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Min ON Time",
"symbol": "tON,MIN",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": 50,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Min OFF Time",
"symbol": "tOFF,MIN",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": 100,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Soft-start Time",
"symbol": "tSS",
"kind": "electrical",
"unit": "ms",
"min": null,
"typ": 1,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Switching Frequency",
"symbol": "fSW",
"kind": "electrical",
"unit": "kHz",
"min": null,
"typ": 400,
"max": null,
"conditions": "VOUT=3.3V, CCM",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Top FET Current Limit",
"symbol": "ILIM,TOP",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 8,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Bottom FET Current Limit",
"symbol": "ILIM,BOT",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 6,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Under Voltage Protection Threshold",
"symbol": "VUVP",
"kind": "electrical",
"unit": "VREF",
"min": null,
"typ": 0.33,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output UVP Delay",
"symbol": "tUVP,DLY",
"kind": "electrical",
"unit": "µs",
"min": null,
"typ": 100,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "UVP Hiccup On Time",
"symbol": "tUVP,ON",
"kind": "electrical",
"unit": "ms",
"min": null,
"typ": 2.5,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "UVP Hiccup Off Time",
"symbol": "tUVP,OFF",
"kind": "electrical",
"unit": "ms",
"min": null,
"typ": 9,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Thermal Shutdown Temperature",
"symbol": "TSD",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 150,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Thermal Shutdown Hysteresis",
"symbol": "THYS",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 15,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Package Thermal Resistance Junction-to-Ambient",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 46,
"max": null,
"conditions": "Note 2: natural convection at TA = 25°C, 2OZ two-layer Silergy evaluation board",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Package Thermal Resistance Junction-to-Case",
"symbol": "θJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 6,
"max": null,
"conditions": "Note 2: paddle of TSOT23-6 is the case position",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"sy8156iadc"
],
"discovery_pitch": "SY8156IADC (Silergy Corp) 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",
"sy8156iadc.kicad_sym",
"sy8156iadc.kicad_mod",
"sy8156iadc.glb",
"sy8156iadc.step",
"sy8156iadc.lbr",
"docs/hero.png",
"docs/sy8156iadc-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"sy8156iadc-hero.glb",
"sy8156iadc-hero.overlay.json",
"sy8156iadc-etched.glb"
],
"visibility": {
"public": true
}
}