component
LM5072MHX-80
Public Made by Adomby adom
Texas Instruments Power Over Ethernet (PoE) Controllers, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"package": "HTSSOP-16-EP",
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"subcategory": "Power Over Ethernet (PoE) Controllers",
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{
"number": "1",
"name": "RT",
"type": "passive",
"description": "PWM controller oscillator frequency programming pin."
},
{
"number": "2",
"name": "SS",
"type": "passive",
"description": "Soft-start programming pin."
},
{
"number": "3",
"name": "VIN",
"type": "power_in",
"description": "Positive supply pin for the PD interface and the internal PWM controller start-up regulator."
},
{
"number": "4",
"name": "RCLASS",
"type": "passive",
"description": "PD classification programming pin."
},
{
"number": "5",
"name": "ICL_FAUX",
"type": "bidirectional",
"description": "Inrush current limit programming pin that also serves as the front auxiliary power enable pin."
},
{
"number": "6",
"name": "DCCL",
"type": "passive",
"description": "PD interface DC current limit programming pin."
},
{
"number": "7",
"name": "VEE",
"type": "power_in",
"description": "Negative supply pin for the PD interface, connected to the PoE and/or front auxiliary power return path."
},
{
"number": "8",
"name": "RTN",
"type": "power_in",
"description": "PWM controller power return, connected to the drain of the internal PD interface hot swap MOSFET and to be externally connected to the PWM controller reference ground."
},
{
"number": "9",
"name": "OUT",
"type": "output",
"description": "PWM controller gate driver output pin."
},
{
"number": "10",
"name": "VCC",
"type": "power_out",
"description": "PWM controller start-up regulator output pin."
},
{
"number": "11",
"name": "nPGOOD",
"type": "output",
"description": "PD interface Power Good indicator and delay timer pin, where an active low state indicates the PoE interface is in normal operation."
},
{
"number": "12",
"name": "CS",
"type": "input",
"description": "PWM controller current sense input pin."
},
{
"number": "13",
"name": "RAUX",
"type": "input",
"description": "Rear auxiliary power enable pin that can be programmed for auxiliary power dominance over PoE power."
},
{
"number": "14",
"name": "FB",
"type": "input",
"description": "PWM controller voltage feedback pin and inverting input of the internal error amplifier; connect to ARTN to disable the error amplifier in isolated DC-DC converter applications."
},
{
"number": "15",
"name": "COMP",
"type": "bidirectional",
"description": "Output of the internal error amplifier and control input to the PWM comparator, controlled by the secondary side error amplifier via an opto-coupler in isolated applications."
},
{
"number": "16",
"name": "ARTN",
"type": "power_in",
"description": "PWM controller reference ground pin that should be shorted externally to RTN as a single point ground connection to improve noise immunity."
},
{
"number": "17",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
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"primary_model": "claude-haiku-5-5",
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"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin list taken from the pin description table on page 3 and cross-checked against the TSSOP-16 EP co; KiCad ERC types for RT, SS, RCLASS, DCCL, and EP are inferred as passive because the datasheet does ; Datasheet is a 7-of-37-page excerpt; the package addendum on page 29 confirms LM5072MHX-80/NOPB is a",
"exposed pad 17 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
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"at": "2026-10-08T03:53:24"
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"sha256": "2880e6942fe74392",
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"metadata": {
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"Package": "HTSSOP-16-EP",
"Category": "Power Management (PMIC)",
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