component
U3212
Public Made by Adomby adom
UNI SEMIC DC-DC Converters, SOP-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427
{
"schema_version": 1,
"type": "component",
"slug": "u3212",
"title": "U3212",
"brief": "UNI SEMIC DC-DC Converters, SOP-7. 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)",
"u3212",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "U3212",
"manufacturer": "UNI SEMIC",
"package": "SOP-7",
"pin_count": 7,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756596995295727616",
"parts": {
"symbol": "u3212.kicad_sym",
"footprint": "u3212.kicad_mod",
"model_3d": "u3212-hero.glb",
"model_3d_plain": "u3212-etched.glb",
"model_3d_step": "u3212-etched.step",
"model_3d_step_plain": "u3212.step",
"lbr": "u3212.lbr"
},
"distributor_links": {
"lcsc": "C2874740"
},
"distributor_check": {
"checked_at": "2026-10-18T07:54:58Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Chip supply pin that also serves as the output-voltage feedback input when FB is left floating; VDD turn-on is typically 7.5 V, UVLO is typically 7 V, VDD overvoltage protection is typically 24 V, VDD clamp is typically 26 V at 10 mA, and the absolute maximum VDD supply is 30 V."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Reference ground for the chip."
},
{
"number": "3",
"name": "FB",
"type": "input",
"description": "Feedback input for output-voltage regulation; leaving it floating selects the default 12 V output, the internal reference is typically 1.87 V (1.84 to 1.90 V), and the FB pin voltage absolute range is -0.3 to 7 V."
},
{
"number": "4",
"name": "CS",
"type": "output",
"description": "Peak-current sense pin, where the internal peak-current threshold is typically 0.55 V (0.50 to 0.60 V) and the CS pin voltage absolute range is -0.3 to 7 V; the datasheet classifies this pin as O, although it functions as a sense input."
},
{
"number": "5",
"name": "Drain",
"type": "power_in",
"description": "Drain of the internal high-voltage power MOSFET, with a typical breakdown voltage of 200 V and an absolute maximum Drain pin voltage of -0.3 to 250 V."
},
{
"number": "6",
"name": "Drain",
"type": "power_in",
"description": "Drain of the internal high-voltage power MOSFET (same node as pin 5), with a typical breakdown voltage of 200 V and an absolute maximum Drain pin voltage of -0.3 to 250 V."
},
{
"number": "8",
"name": "NC",
"type": "unconnected",
"description": "No internal connection; the datasheet recommends leaving this pin floating."
}
],
"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: Pin 7 does not appear in the datasheet pin function table (page 3), so no pin 7 entry was created. T; The datasheet classifies CS as O (output), but the pin is functionally a current-sense input to the ; The datasheet classifies the Drain pins as P (power). Mapped to power_in as the closest KiCad class "
],
"pages_sent": 12,
"cost_usd": 0.0369,
"at": "2026-10-18T07:54:37"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756596995295727616",
"pages": 12,
"sha256": "e137783a7252b8ab",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 7,
"described": 7,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "u3212.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.4,
4.9,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "4c9435ffd3683a4ae45655e397c25900eda4f6782a526780f4f7b7b99a32dca7",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "u3212-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.4,
4.9,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "0a869175d4edc9fcf93e2f116a0e29d1f530a7cadd3cdc94083884fd7dce3edf",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "UNI SEMIC",
"Package": "SOP-7",
"Category": "Power Management (PMIC)",
"Pins": "7"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "e137783a7252b8ab42a5659d4561f9c5fb48c238a8a80ebc4e416ec2cd185f2d",
"rows": [
{
"name": "High-voltage startup charging current",
"symbol": "IHV",
"kind": "electrical",
"unit": "mA",
"min": 1,
"typ": 5,
"max": null,
"conditions": "HV=150V, VDD=0V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "High-voltage off-state leakage current",
"symbol": "IHV_leakage",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 50,
"conditions": "HV=150V, VDD=12V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VDD startup current",
"symbol": "IVDD_st",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 100,
"max": 300,
"conditions": "无开关工作",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Internal differential amplifier FB reference",
"symbol": "VFB_REF",
"kind": "electrical",
"unit": "V",
"min": 1.84,
"typ": 1.87,
"max": 1.9,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Peak current threshold (CS pin)",
"symbol": "VIPK",
"kind": "electrical",
"unit": "V",
"min": 0.5,
"typ": 0.55,
"max": 0.6,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Typical minimum off time",
"symbol": "TOFF_min_norm",
"kind": "electrical",
"unit": "us",
"min": 14.5,
"typ": 16,
"max": 17.5,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Drain pin voltage",
"symbol": "Drain",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 250,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VDD supply voltage",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VDD clamp current",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "FB, CS pin voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Maximum junction operating temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 160,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Lead temperature (soldering, 10 s)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "10 s soldering",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ESD capability (human body model)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "KV",
"min": null,
"typ": null,
"max": 3,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ESD capability (machine model)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 250,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Package thermal resistance, junction to ambient (labelled SOP-8)",
"symbol": "",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 165,
"max": null,
"conditions": "junction to ambient",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating ambient temperature",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 5,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"u3212"
],
"discovery_pitch": "U3212 (UNI SEMIC) 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",
"u3212.kicad_sym",
"u3212.kicad_mod",
"u3212.glb",
"u3212.step",
"u3212.lbr",
"docs/hero.png",
"docs/u3212-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"u3212-hero.glb",
"u3212-hero.overlay.json",
"u3212-etched.glb"
],
"visibility": {
"public": true
}
}