component
U3315
Public Made by Adomby adom
UNI-SEMI Gate Drive ICs, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"description": "UNI-SEMI Gate Drive ICs, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management ics",
"u3315",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
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"component": {
"mpn": "U3315",
"manufacturer": "UNI-SEMI",
"package": "TSSOP-20",
"pin_count": 20,
"category": "Power Management ICs",
"subcategory": "Gate Drive ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/1650c257b97a23f56694b8b29327ceeb.pdf",
"parts": {
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"footprint": "u3315.kicad_mod",
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"lbr": "u3315.lbr"
},
"distributor_links": {
"lcsc": "C400134"
},
"distributor_check": {
"checked_at": "2026-10-22T22:07:44Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "HIN1",
"type": "input",
"description": "Logic input for high side gate driver output HO1, in phase; 3.3 V logic compatible, internal ~200k pull-down, minimum recommended pulse width 300 ns."
},
{
"number": "2",
"name": "HIN2",
"type": "input",
"description": "Logic input for high side gate driver output HO2, in phase; 3.3 V logic compatible, internal ~200k pull-down, minimum recommended pulse width 300 ns."
},
{
"number": "3",
"name": "HIN3",
"type": "input",
"description": "Logic input for high side gate driver output HO3, in phase; 3.3 V logic compatible, internal ~200k pull-down, minimum recommended pulse width 300 ns."
},
{
"number": "4",
"name": "LIN1",
"type": "input",
"description": "Active-low (overbar) logic input for low side gate driver output LO1, out of phase for U3315; 3.3 V logic compatible."
},
{
"number": "5",
"name": "LIN2",
"type": "input",
"description": "Active-low (overbar) logic input for low side gate driver output LO2, out of phase for U3315; 3.3 V logic compatible."
},
{
"number": "6",
"name": "LIN3",
"type": "input",
"description": "Active-low (overbar) logic input for low side gate driver output LO3, out of phase for U3315; 3.3 V logic compatible."
},
{
"number": "7",
"name": "VCC",
"type": "power_in",
"description": "Low side and logic fixed supply, recommended 4.5 V to 20 V (absolute max 25 V), with UVLO."
},
{
"number": "8",
"name": "COM",
"type": "power_in",
"description": "Logic ground, reference for all voltages."
},
{
"number": "9",
"name": "LO3",
"type": "output",
"description": "Low side gate driver output 3 with 1.2 A source and 1.5 A sink short-circuit pulse current."
},
{
"number": "10",
"name": "LO2",
"type": "output",
"description": "Low side gate driver output 2 with 1.2 A source and 1.5 A sink short-circuit pulse current."
},
{
"number": "11",
"name": "LO1",
"type": "output",
"description": "Low side gate driver output 1 with 1.2 A source and 1.5 A sink short-circuit pulse current."
},
{
"number": "12",
"name": "VS3",
"type": "passive",
"description": "High voltage floating supply return for phase 3; offset operating range -6 V to 260 V."
},
{
"number": "13",
"name": "HO3",
"type": "output",
"description": "High side gate driver output 3 with 1.2 A source and 1.5 A sink short-circuit pulse current."
},
{
"number": "14",
"name": "VB3",
"type": "power_in",
"description": "High side floating supply for phase 3, VS3+4.5 V to VS3+20 V (absolute max 325 V)."
},
{
"number": "15",
"name": "VS2",
"type": "passive",
"description": "High voltage floating supply return for phase 2; offset operating range -6 V to 260 V."
},
{
"number": "16",
"name": "HO2",
"type": "output",
"description": "High side gate driver output 2 with 1.2 A source and 1.5 A sink short-circuit pulse current."
},
{
"number": "17",
"name": "VB2",
"type": "power_in",
"description": "High side floating supply for phase 2, VS2+4.5 V to VS2+20 V (absolute max 325 V)."
},
{
"number": "18",
"name": "VS1",
"type": "passive",
"description": "High voltage floating supply return for phase 1; offset operating range -6 V to 260 V."
},
{
"number": "19",
"name": "HO1",
"type": "output",
"description": "High side gate driver output 1 with 1.2 A source and 1.5 A sink short-circuit pulse current."
},
{
"number": "20",
"name": "VB1",
"type": "power_in",
"description": "High side floating supply for phase 1, VS1+4.5 V to VS1+20 V (absolute max 325 V)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The pin table on page 3 lists the pins by function only, with no TSSOP numbers. The pin-to-number as",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 17,
"cost_usd": 0.3273,
"at": "2026-10-22T22:07:21"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/1650c257b97a23f56694b8b29327ceeb.pdf",
"pages": 17,
"sha256": "6b8510d3d62cf0a1",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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{
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