component
TPS23881RTQR
Public Made by Adomby adom
Texas Instruments Ethernet Transceivers, QFN-56-EP(8x8). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477
{
"schema_version": 1,
"type": "component",
"slug": "tps23881rtqr",
"title": "TPS23881RTQR",
"brief": "Texas Instruments Ethernet Transceivers, QFN-56-EP(8x8). 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",
"interface",
"tps23881rtqr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TPS23881RTQR",
"manufacturer": "Texas Instruments",
"package": "QFN-56-EP(8x8)",
"pin_count": 57,
"category": "Interface",
"subcategory": "Ethernet Transceivers",
"datasheet": "https://www.ti.com/cn/lit/gpn/tps23881",
"parts": {
"symbol": "tps23881rtqr.kicad_sym",
"footprint": "tps23881rtqr.kicad_mod",
"model_3d": "tps23881rtqr-etched.glb",
"model_3d_plain": "tps23881rtqr.glb",
"model_3d_step": "tps23881rtqr-etched.step",
"model_3d_step_plain": "tps23881rtqr.step",
"lbr": "tps23881rtqr.lbr"
},
"distributor_links": {
"lcsc": "C469893",
"digikey": "296-TPS23881RTQRTR-ND",
"mouser": "595-TPS23881RTQR"
},
"distributor_check": {
"checked_at": "2026-10-01T16:00:14Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-TPS23881RTQRTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-TPS23881RTQR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "GAT1",
"type": "output",
"description": "Channel 1 gate drive output to the external N-channel MOSFET; leave floating if unused."
},
{
"number": "2",
"name": "SEN1",
"type": "input",
"description": "Channel 1 current-sense input referenced to KSENSA via the 0.200Ω sense resistor; connect to GND if the channel is unused."
},
{
"number": "3",
"name": "DRAIN1",
"type": "input",
"description": "Channel 1 output voltage monitor and detection sense; may be floated or grounded if unused."
},
{
"number": "4",
"name": "KSENSA",
"type": "input",
"description": "Kelvin point connection for SEN1 and SEN2."
},
{
"number": "5",
"name": "DRAIN2",
"type": "input",
"description": "Channel 2 output voltage monitor and detection sense; may be floated or grounded if unused."
},
{
"number": "6",
"name": "SEN2",
"type": "input",
"description": "Channel 2 current-sense input referenced to KSENSA via the 0.200Ω sense resistor; connect to GND if the channel is unused."
},
{
"number": "7",
"name": "GAT2",
"type": "output",
"description": "Channel 2 gate drive output to the external N-channel MOSFET; leave floating if unused."
},
{
"number": "8",
"name": "GAT3",
"type": "output",
"description": "Channel 3 gate drive output to the external N-channel MOSFET; leave floating if unused."
},
{
"number": "9",
"name": "SEN3",
"type": "input",
"description": "Channel 3 current-sense input referenced to KSENSB via the 0.200Ω sense resistor; connect to GND if the channel is unused."
},
{
"number": "10",
"name": "DRAIN3",
"type": "input",
"description": "Channel 3 output voltage monitor and detection sense; may be floated or grounded if unused."
},
{
"number": "11",
"name": "KSENSB",
"type": "input",
"description": "Kelvin point connection for SEN3 and SEN4."
},
{
"number": "12",
"name": "DRAIN4",
"type": "input",
"description": "Channel 4 output voltage monitor and detection sense; may be floated or grounded if unused."
},
{
"number": "13",
"name": "SEN4",
"type": "input",
"description": "Channel 4 current-sense input referenced to KSENSB via the 0.200Ω sense resistor; connect to GND if the channel is unused."
},
{
"number": "14",
"name": "GAT4",
"type": "output",
"description": "Channel 4 gate drive output to the external N-channel MOSFET; leave floating if unused."
},
{
"number": "15",
"name": "NC",
"type": "unconnected",
"description": "No connect; internally biased at 1/3 or 2/3 of VPWR to grade the VPWR voltage gradient, keep open."
},
{
"number": "16",
"name": "NC",
"type": "unconnected",
"description": "No connect; internally biased at 1/3 or 2/3 of VPWR to grade the VPWR voltage gradient, keep open."
},
{
"number": "17",
"name": "VPWR",
"type": "power_in",
"description": "Analog 54V positive supply (44V to 57V recommended, 70V absolute max), bypassed with 0.1µF to AGND."
},
{
"number": "18",
"name": "NC",
"type": "unconnected",
"description": "No connect; internally biased at 1/3 or 2/3 of VPWR to grade the VPWR voltage gradient, keep open."
},
{
"number": "19",
"name": "NC",
"type": "unconnected",
"description": "No connect; internally biased at 1/3 or 2/3 of VPWR to grade the VPWR voltage gradient, keep open."
},
{
"number": "20",
"name": "TEST4",
"type": "bidirectional",
"description": "Internal test pin used for test purposes only; keep open."
},
{
"number": "21",
"name": "AGND",
"type": "power_in",
"description": "Analog ground; connect to the GND plane and exposed thermal pad."
},
{
"number": "22",
"name": "NC",
"type": "unconnected",
"description": "No connect; keep open."
},
{
"number": "23",
"name": "TEST1",
"type": "bidirectional",
"description": "Internal test pin used for test purposes only (internal 50kΩ typical pull-down); keep open."
},
{
"number": "24",
"name": "TEST2",
"type": "bidirectional",
"description": "Internal test pin used for test purposes only (internal 50kΩ typical pull-down); keep open."
},
{
"number": "25",
"name": "TEST3",
"type": "bidirectional",
"description": "Internal test pin used for test purposes only; keep open."
},
{
"number": "26",
"name": "TEST0",
"type": "bidirectional",
"description": "Internal test pin used for test purposes only (internal 50kΩ typical pull-up); keep open."
},
{
"number": "27",
"name": "NC",
"type": "unconnected",
"description": "No connect; keep open."
},
{
"number": "28",
"name": "NC",
"type": "unconnected",
"description": "No connect; keep open."
},
{
"number": "29",
"name": "GAT5",
"type": "output",
"description": "Channel 5 gate drive output to the external N-channel MOSFET; leave floating if unused."
},
{
"number": "30",
"name": "SEN5",
"type": "input",
"description": "Channel 5 current-sense input referenced to KSENSC via the 0.200Ω sense resistor; connect to GND if the channel is unused."
},
{
"number": "31",
"name": "DRAIN5",
"type": "input",
"description": "Channel 5 output voltage monitor and detection sense; may be floated or grounded if unused."
},
{
"number": "32",
"name": "KSENSC",
"type": "input",
"description": "Kelvin point connection for SEN5 and SEN6."
},
{
"number": "33",
"name": "DRAIN6",
"type": "input",
"description": "Channel 6 output voltage monitor and detection sense; may be floated or grounded if unused."
},
{
"number": "34",
"name": "SEN6",
"type": "input",
"description": "Channel 6 current-sense input referenced to KSENSC via the 0.200Ω sense resistor; connect to GND if the channel is unused."
},
{
"number": "35",
"name": "GAT6",
"type": "output",
"description": "Channel 6 gate drive output to the external N-channel MOSFET; leave floating if unused."
},
{
"number": "36",
"name": "GAT7",
"type": "output",
"description": "Channel 7 gate drive output to the external N-channel MOSFET; leave floating if unused."
},
{
"number": "37",
"name": "SEN7",
"type": "input",
"description": "Channel 7 current-sense input referenced to KSENSD via the 0.200Ω sense resistor; connect to GND if the channel is unused."
},
{
"number": "38",
"name": "DRAIN7",
"type": "input",
"description": "Channel 7 output voltage monitor and detection sense; may be floated or grounded if unused."
},
{
"number": "39",
"name": "KSENSD",
"type": "input",
"description": "Kelvin point connection for SEN7 and SEN8."
},
{
"number": "40",
"name": "DRAIN8",
"type": "input",
"description": "Channel 8 output voltage monitor and detection sense; may be floated or grounded if unused."
},
{
"number": "41",
"name": "SEN8",
"type": "input",
"description": "Channel 8 current-sense input referenced to KSENSD via the 0.200Ω sense resistor; connect to GND if the channel is unused."
},
{
"number": "42",
"name": "GAT8",
"type": "output",
"description": "Channel 8 gate drive output to the external N-channel MOSFET; leave floating if unused."
},
{
"number": "43",
"name": "VDD",
"type": "power_in",
"description": "3.3V digital logic supply (3V to 3.6V recommended), bypassed with 0.1µF to DGND."
},
{
"number": "44",
"name": "RESET",
"type": "input",
"description": "Active-low reset input that resets the device; internally pulled up to VDD."
},
{
"number": "45",
"name": "INT",
"type": "output",
"description": "Open-drain interrupt output, pulled low when a bit in the interrupt register is set."
},
{
"number": "46",
"name": "DGND",
"type": "power_in",
"description": "Digital ground; connect to the GND plane and exposed thermal pad."
},
{
"number": "47",
"name": "TEST5",
"type": "bidirectional",
"description": "Internal test pin used for test purposes only; keep open."
},
{
"number": "48",
"name": "A1",
"type": "input",
"description": "I2C address line A1, internally pulled up to VDD."
},
{
"number": "49",
"name": "A2",
"type": "input",
"description": "I2C address line A2, internally pulled up to VDD."
},
{
"number": "50",
"name": "A3",
"type": "input",
"description": "I2C address line A3, internally pulled up to VDD."
},
{
"number": "51",
"name": "A4",
"type": "input",
"description": "I2C address line A4, internally pulled up to VDD."
},
{
"number": "52",
"name": "AUTO",
"type": "bidirectional",
"description": "Autonomous mode enable and selection pin: floating disables autonomous mode, RAUTO to GND selects the port power allocation, with a 10nF capacitor required when RAUTO is used."
},
{
"number": "53",
"name": "SCL",
"type": "input",
"description": "Serial clock input for the I2C bus."
},
{
"number": "54",
"name": "SDAI",
"type": "input",
"description": "Serial data input for the I2C bus; can be tied to SDAO in non-isolated systems."
},
{
"number": "55",
"name": "SDAO",
"type": "output",
"description": "Open-drain I2C serial data output requiring an external pull-up; can be tied to SDAI in non-isolated systems."
},
{
"number": "56",
"name": "OSS",
"type": "input",
"description": "Active-high fast shutdown input for channels 1-8, internally pulled down to DGND with a 1µs to 5µs deglitch filter."
},
{
"number": "57",
"name": "EP",
"type": "power_in",
"description": "Exposed thermal pad; DGND and AGND must be connected to it for proper operation."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-4-5-20251001",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin 52 conflict: Listed as both NC (no connection) in the NC pins category (page 5) and as AUTO (aut; TEST0-5 pins (20, 23, 24, 25, 26, 47) are listed as for internal use and test only with unclear func",
"exposed pad 57 added from the footprint"
],
"pages_sent": 73,
"cost_usd": 0.5609,
"at": "2026-10-01T15:59:54"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/tps23881",
"pages": 133,
"sha256": "e4f4fdd814bbae94",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 57,
"described": 57,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
}
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "QFN-56-EP(8x8)",
"Category": "Interface",
"Pins": "57"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"tps23881rtqr"
],
"discovery_pitch": "TPS23881RTQR (Texas Instruments) 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",
"tps23881rtqr.kicad_sym",
"tps23881rtqr.kicad_mod",
"tps23881rtqr.glb",
"tps23881rtqr.step",
"tps23881rtqr.lbr",
"docs/hero.png",
"docs/tps23881rtqr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html"
],
"visibility": {
"public": true
}
}