component
TEA1791AT
Public Made by Adomby adom
NXP Semicon AC-DC Controllers & Regulators, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529
{
"schema_version": 1,
"type": "component",
"slug": "tea1791at",
"title": "TEA1791AT",
"brief": "NXP Semicon AC-DC Controllers & Regulators, SO-8. 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",
"tea1791at",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TEA1791AT",
"manufacturer": "NXP Semicon",
"package": "SO-8",
"pin_count": 8,
"category": "Power Management ICs",
"subcategory": "AC-DC Controllers & Regulators",
"datasheet": "https://www.nxp.com/docs/en/data-sheet/TEA1791AT.pdf",
"parts": {
"symbol": "tea1791at.kicad_sym",
"footprint": "tea1791at.kicad_mod",
"model_3d": "tea1791at-hero.glb",
"model_3d_plain": "tea1791at-etched.glb",
"model_3d_step": "tea1791at-etched.step",
"model_3d_step_plain": "tea1791at.step",
"lbr": "tea1791at.lbr"
},
"distributor_links": {
"lcsc": "C271726"
},
"distributor_check": {
"checked_at": "2026-10-30T19:25:34Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "SRSENSE",
"type": "input",
"description": "Synchronous timing input that activates the SR driver at −310 mV typical, regulates at −55 mV and deactivates at −12 mV, with a continuous voltage limit of 120 V."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin; all voltages in the datasheet are measured with respect to this pin."
},
{
"number": "3",
"name": "n.c.",
"type": "unconnected",
"description": "Not connected."
},
{
"number": "4",
"name": "DRIVER",
"type": "output",
"description": "Driver output for the external SR MOSFET, with a typical output voltage limit of 10 V (12 V maximum) and a duty-cycle-limited current rating of −0.8 A to +3 A (duty cycle below 10 %)."
},
{
"number": "5",
"name": "n.c.",
"type": "unconnected",
"description": "Not connected."
},
{
"number": "6",
"name": "n.c.",
"type": "unconnected",
"description": "Not connected."
},
{
"number": "7",
"name": "n.c.",
"type": "unconnected",
"description": "Not connected."
},
{
"number": "8",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage pin; the IC leaves undervoltage lockout above 8.5 V typical and re-enters it below 8.0 V typical, with a continuous supply limit of −0.4 V to +38 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: Pinout taken from the SO8 pin configuration (Fig. 2) and pin description table (Table 2) on page 2; ; Pins 3, 5, 6 and 7 are not connected per the datasheet; the datasheet gives no further function for ; Table 2 writes pin 5 as 'n.c' without the trailing period; read as not connected, same as the other "
],
"pages_sent": 13,
"cost_usd": 0.0512,
"at": "2026-10-30T19:25:20"
},
"datasheet": {
"url": "https://www.nxp.com/docs/en/data-sheet/TEA1791AT.pdf",
"pages": 13,
"sha256": "a8b88e411de2c7cd",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "tea1791at.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tea1791at-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3168be5e1cbe0afdceee4c82fcc001e5bfd68a36ebd1e5dc8b9a3f2edb861115",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "SOT96-1",
"source_page": 9,
"D": {
"nom_mm": 4.9,
"range_mm": [
4.8,
5
]
},
"E1": {
"nom_mm": 3.9,
"range_mm": [
3.8,
4
]
},
"E": {
"nom_mm": 6,
"range_mm": [
5.8,
6.2
]
},
"e": {
"nom_mm": 1.27,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 1.75,
"range_mm": [
null,
1.75
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "tea1791at.step",
"verdict": "PASS",
"reasons": [
"height and body within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "NXP Semicon",
"Package": "SO-8",
"Category": "Power Management ICs",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "a8b88e411de2c7cd82ba7d82343b2e58c1f19a4f8ef35cf4542b82d54c97f473",
"rows": [
{
"name": "start-up voltage",
"symbol": "Vstartup",
"kind": "electrical",
"unit": "V",
"min": 8.2,
"typ": 8.5,
"max": 8.8,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "driver activation voltage",
"symbol": "Vact(drv)",
"kind": "electrical",
"unit": "mV",
"min": -340,
"typ": -310,
"max": -280,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "driver regulation voltage",
"symbol": "Vreg(drv)",
"kind": "electrical",
"unit": "mV",
"min": -65,
"typ": -55,
"max": -45,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "minimum synchronous rectification active time",
"symbol": "tact(sr)(min)",
"kind": "timing",
"unit": "μs",
"min": 0.7,
"typ": 0.93,
"max": 1.16,
"conditions": "Short time",
"source_page": 6,
"source": "datasheet"
},
{
"name": "minimum synchronous rectification active time",
"symbol": "tact(sr)(min)",
"kind": "timing",
"unit": "μs",
"min": 0.75,
"typ": 0.99,
"max": 1.23,
"conditions": "Long time",
"source_page": 6,
"source": "datasheet"
},
{
"name": "source current",
"symbol": "Isource",
"kind": "electrical",
"unit": "A",
"min": -0.3,
"typ": -0.25,
"max": -0.2,
"conditions": "VCC = 15 V; voltage on pin DRIVER = 2 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "sink current",
"symbol": "Isink",
"kind": "electrical",
"unit": "A",
"min": 1,
"typ": 1.4,
"max": null,
"conditions": "VCC = 15 V; voltage on pin DRIVER = 2 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "sink current",
"symbol": "Isink",
"kind": "electrical",
"unit": "A",
"min": 2.2,
"typ": 2.7,
"max": null,
"conditions": "voltage on pin DRIVER = 9.5 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "maximum output voltage",
"symbol": "Vo(max)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 10,
"max": 12,
"conditions": "VCC = 15 V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "supply voltage",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.4,
"typ": null,
"max": 38,
"conditions": "continuous",
"source_page": 5,
"source": "datasheet"
},
{
"name": "voltage on pin SRSENSE",
"symbol": "VSRSENSE",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 120,
"conditions": "continuous",
"source_page": 5,
"source": "datasheet"
},
{
"name": "current on pin DRIVER",
"symbol": "IDRIVER",
"kind": "absolute_maximum",
"unit": "A",
"min": -0.8,
"typ": null,
"max": 3,
"conditions": "duty cycle < 10 %",
"source_page": 5,
"source": "datasheet"
},
{
"name": "current on pin SRSENSE",
"symbol": "ISRSENSE",
"kind": "absolute_maximum",
"unit": "mA",
"min": -3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "total power dissipation",
"symbol": "Ptot",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 0.45,
"conditions": "Tamb < 80 °C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "junction temperature",
"symbol": "Tj",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "electrostatic discharge voltage",
"symbol": "VESD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 2000,
"conditions": "human body model",
"source_page": 5,
"source": "datasheet"
},
{
"name": "electrostatic discharge voltage",
"symbol": "VESD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 200,
"conditions": "machine model",
"source_page": 5,
"source": "datasheet"
},
{
"name": "electrostatic discharge voltage",
"symbol": "VESD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 500,
"conditions": "charged device model",
"source_page": 5,
"source": "datasheet"
},
{
"name": "thermal resistance from junction to ambient",
"symbol": "Rth(j-a)",
"kind": "thermal",
"unit": "K/W",
"min": null,
"typ": 150,
"max": null,
"conditions": "in free air",
"source_page": 5,
"source": "datasheet"
},
{
"name": "thermal resistance from junction to case",
"symbol": "Rth(j-c)",
"kind": "thermal",
"unit": "K/W",
"min": null,
"typ": 95,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"tea1791at"
],
"discovery_pitch": "TEA1791AT (NXP Semicon) 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",
"tea1791at.kicad_sym",
"tea1791at.kicad_mod",
"tea1791at.glb",
"tea1791at.step",
"tea1791at.lbr",
"docs/hero.png",
"docs/tea1791at-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"tea1791at-hero.glb",
"tea1791at-hero.overlay.json",
"tea1791at-etched.glb"
],
"visibility": {
"public": true
}
}