These easy-to-use 8-pin integrated circuits contain all of the features needed to develop an IEEE 802.3af compliant powered device (PD). The TPS2375 family is a second generation PDC (PD Controller) featuring 100-V ratings and a true open-drain, power-good function.
In addition to the basic functions of detection, classification and undervoltage lockout (UVLO), these controllers include an adjustable inrush limiting feature. The TPS2375 has 802.3af compliant UVLO limits, the TPS2377 has legacy UVLO limits, and the TPS2376 has a programmable UVLO with a dedicated input pin.
The TPS2375 family specifications incorporate a voltage offset of 1.5 V between its limits and the IEEE 802.3af specifications to accommodate the required input diode bridges used to make the PD polarity insensitive.
Additional resources can be found on the TI Web site www.ti.com.
| Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | TPS237x: IEEE 802.3af PoE Powered Device Controllers datasheet (Rev. B) | Apr 25, 2008 | |
| Application note | PoE Powered Devices Debug Guidelines | PDF | HTML | Jul 19, 2021 | |
| Application note | PoE PD Schematic Review Guidelines | PDF | HTML | Apr 29, 2021 | |
| Selection guide | Power Management Guide 2018 (Rev. R) | Jun 25, 2018 | ||
| Application note | Lightning Surge Considerations for PoE Powered Devices | Apr 30, 2015 | ||
| Application note | Designing an EMI Compliant PoE with Isolated Flyback | May 20, 2008 | ||
| Application note | Practical Guidelines EMI Compliant PoE | Mar 27, 2008 | ||
| Application note | Wall Adapter Powers IEEE 802.3af Powered Device | Feb 1, 2006 | ||
| Application note | Powered Device Controllers Comparison | Apr 22, 2004 |
For additional terms or required resources, click any title below to view the detail page where available.
The HPA028 EVM features the TPS2375 from Texas Instruments Incorporated. The EVM is designed to look like the front end of any Power Over Ethernet (PoE) Powered Device (PD) module. An RJ-45 connector is provided to connect directly to an Ethernet cable having a Power Sourcing Equipment (PSE) (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
| TSSOP (PW) | 8 | Ultra Librarian |
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