component
SY5040ABC
Public Made by Adomby adom
Silergy Corp AC-DC Controllers And Regulators, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613
{
"schema_version": 1,
"type": "component",
"slug": "sy5040abc",
"title": "SY5040ABC",
"brief": "Silergy Corp AC-DC Controllers And Regulators, 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",
"power management (pmic)",
"sy5040abc",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "SY5040ABC",
"manufacturer": "Silergy Corp",
"package": "SOT-23-6",
"pin_count": 6,
"category": "Power Management (PMIC)",
"subcategory": "AC-DC Controllers And Regulators",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590922694189924352",
"parts": {
"symbol": "sy5040abc.kicad_sym",
"footprint": "sy5040abc.kicad_mod",
"model_3d": "sy5040abc-hero.glb",
"model_3d_plain": "sy5040abc-etched.glb",
"model_3d_step": "sy5040abc-etched.step",
"model_3d_step_plain": "sy5040abc.step",
"lbr": "sy5040abc.lbr"
},
"distributor_links": {
"lcsc": "C3014426"
},
"distributor_check": {
"checked_at": "2026-10-17T21:28:55Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground pin; the datasheet's layout guidance requires the bias supply capacitor to connect to this pin after the bias trace (page 11)."
},
{
"number": "2",
"name": "COMP",
"type": "input",
"description": "Connects to an opto-coupler for output voltage feedback; the internal pull-up is 2.7 V through 20 kΩ, the OLP threshold is 2.0-2.5 V, and the pin is rated -0.3 V to 3.6 V."
},
{
"number": "3",
"name": "ZCS",
"type": "input",
"description": "Multi-function pin for valley detection, brownout protection and output OVP; the output OVP threshold is 1.9-2.1 V and the pin is rated -0.3 V to 3.6 V."
},
{
"number": "4",
"name": "CS",
"type": "input",
"description": "Primary peak current sense pin, also used for external OTP; the maximum peak sense voltage is 0.92-1.03 V, the OCP threshold is 1.24-1.38 V, and the pin is rated -0.3 V to 3.6 V."
},
{
"number": "5",
"name": "VCC",
"type": "power_in",
"description": "Power supply pin; the recommended operating range is 12 V to 27 V, the absolute maximum is -0.3 V to 34 V, and the turn-on threshold is 20-23 V."
},
{
"number": "6",
"name": "GATE",
"type": "output",
"description": "Gate drive pin for the primary power MOSFET, with 210 mA source and 420 mA sink capability at CL = 10 nF and a gate clamp of 14 V at VCC = 20 V; absolute maximum is -0.3 V to 15 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 datasheet gives the pin names and functions but does not state the electrical direction of COMP,"
],
"pages_sent": 16,
"cost_usd": 0.0692,
"at": "2026-10-17T21:26:59"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590922694189924352",
"pages": 16,
"sha256": "d7d8d68548a2a5a0",
"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": "sy5040abc.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": "sy5040abc-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": "4a921f459c593d0f0d57ae4b2c55f89fcf4d3e8336c89f2ddd2a9d8694070665",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Silergy Corp",
"Package": "SOT-23-6",
"Category": "Power Management (PMIC)",
"Pins": "6"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "d7d8d68548a2a5a0c0af9553a63561025f6b38cadbba06741ade1b9f96e7b8ab",
"rows": [
{
"name": "VCC Turn-on Threshold",
"symbol": "VCC_ON",
"kind": "electrical",
"unit": "V",
"min": 20,
"typ": 21.5,
"max": 23,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VCC Turn-off Threshold",
"symbol": "VCC_OFF",
"kind": "electrical",
"unit": "V",
"min": 8,
"typ": 9,
"max": 10,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VCC OVP Threshold",
"symbol": "VCC_OVP",
"kind": "electrical",
"unit": "V",
"min": 27.7,
"typ": 29.7,
"max": 31.7,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Start up Current",
"symbol": "ICC_ST",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 2.6,
"max": 4,
"conditions": "VCC=18V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Quiescent Current",
"symbol": "ICC_Q",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 200,
"max": 270,
"conditions": "Under sleep mode",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Current Sink under Fault Condition",
"symbol": "ICC_FAULT",
"kind": "electrical",
"unit": "mA",
"min": 0.8,
"typ": 1,
"max": 1.3,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Maximum Peak Current Sense Voltage",
"symbol": "VCS_MAX",
"kind": "electrical",
"unit": "V",
"min": 0.92,
"typ": 0.97,
"max": 1.03,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Primary OCP Threshold",
"symbol": "VCS_OCP",
"kind": "electrical",
"unit": "V",
"min": 1.24,
"typ": 1.31,
"max": 1.38,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "External OTP Threshold",
"symbol": "VCS_OTP",
"kind": "electrical",
"unit": "V",
"min": 0.94,
"typ": 1,
"max": 1.06,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "OCP Compensation Current",
"symbol": "ICS_OCPC",
"kind": "electrical",
"unit": "µA",
"min": 85,
"typ": 100,
"max": 115,
"conditions": "IZCS=500µA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output OVP Threshold",
"symbol": "VZCS_OVP",
"kind": "electrical",
"unit": "V",
"min": 1.9,
"typ": 2,
"max": 2.1,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Blanking Time for VOUT Sense after VGATE Jumps from HIGH to LOW",
"symbol": "TVOSEN_BLK",
"kind": "timing",
"unit": "µs",
"min": 1.6,
"typ": 2.6,
"max": 3.6,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Brown Out Threshold Current",
"symbol": "IBO",
"kind": "electrical",
"unit": "µA",
"min": 90,
"typ": 100,
"max": 110,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Brown out Debounce Time",
"symbol": "TBO_DBC",
"kind": "timing",
"unit": "ms",
"min": 55,
"typ": 90,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Rated Switching Frequency",
"symbol": "FSW_RATE",
"kind": "electrical",
"unit": "kHz",
"min": 60,
"typ": 65,
"max": 70,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Minimum Switching Frequency",
"symbol": "FSW_MIN",
"kind": "electrical",
"unit": "kHz",
"min": 20,
"typ": 25,
"max": 30,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Threshold to Enter Sleep Mode",
"symbol": "VCOMP_INSLEEP",
"kind": "electrical",
"unit": "V",
"min": 0.25,
"typ": 0.3,
"max": 0.35,
"conditions": "VCOMP falling down",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Threshold to Exit Sleep Mode",
"symbol": "VCOMP_EXSLEEP",
"kind": "electrical",
"unit": "V",
"min": 0.37,
"typ": 0.42,
"max": 0.47,
"conditions": "VCOMP rising up",
"source_page": 3,
"source": "datasheet"
},
{
"name": "OLP Threshold",
"symbol": "VCOMP_OLP",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": 2.25,
"max": 2.5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "OLP Debounce Time",
"symbol": "TOLP_DBC",
"kind": "timing",
"unit": "ms",
"min": 55,
"typ": 90,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VCC",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 34,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Supply Current",
"symbol": "ICC",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "GATE",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 15,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "CS, COMP, ZCS",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power Dissipation SOT23-6",
"symbol": "",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 1.1,
"conditions": "@ TA = 25°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction Temperature Range",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -45,
"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": "Package Thermal Resistance SOT23-6 junction-to-ambient",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 125,
"max": null,
"conditions": "Note 2: natural convection, TA = 25°C, JEDEC 51-3 low-conductivity board",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Package Thermal Resistance SOT23-6 junction-to-case",
"symbol": "θJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 60,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "VCC Supply Voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 12,
"typ": null,
"max": 27,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction Temperature Range",
"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": 105,
"conditions": "",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"sy5040abc"
],
"discovery_pitch": "SY5040ABC (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",
"sy5040abc.kicad_sym",
"sy5040abc.kicad_mod",
"sy5040abc.glb",
"sy5040abc.step",
"sy5040abc.lbr",
"docs/hero.png",
"docs/sy5040abc-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"sy5040abc-hero.glb",
"sy5040abc-hero.overlay.json",
"sy5040abc-etched.glb"
],
"visibility": {
"public": true
}
}