TPS23756 PoE Interface & DC/DC Controllers Texas Instruments TPS23756 PoE Interface and DC/DC Controllers are optimized for isolated converters. The TI TPS23756 supports the IEEE 802.3 at (draft) standard and powers up to 30W (input) PDs. The TI PoE Interface and DC/DC Controllers support high-efficiency topologies and allow designers to determine which power source will carry the load under all conditions.