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Texas Instruments’ new evaluation module for its quad-port PSE controller strengthens Power over Ethernet development

The TPS23861 evaluation board features two controllers with associated circuitry on a two-layer printed-circuit board (PCB), minimizing material and build costs that often occur when using multiple boards.

Texas Instruments’ new evaluation module for its quad-port PSE controller strengthens Power over Ethernet development

Texas Instruments has developed a fully autonomous IEEE802.3at, Type 2 (30W) Power-over-Ethernet (PoE) 4 Port Power Sourcing Equipment (PSE) solution. The two-layer PoE power sourcing equipment evaluation module and TI Design is based on TI's new TPS23861 PoE controller. This reference design is made up of two boards; the TPS23861EVM-612 motherboard and TPS23861EVM-613 and daughter board.

Easing design for rapidly growing Power over Ethernet applications, the high-performance quad-port controller and reference design significantly reduces development time and cost when creating PoE-enabled network video recorders, IP phone switches and wireless base stations.

The easy to use PoE PSE design features "plug and play" operation and is offered in auto mode, eliminating the need for host control. The IEEE-compliant TPS23861 passes the University of New Hampshire's Interoperability Lab and SIFO's test suites. Providing thermal design flexibility, the TPS23861 PoE controller’s power consumption does not exceed 400 mW in any operating condition. The external FET architecture allows the design engineer to select the FET that best meets size, cost, and efficiency requirements. The four-point detection feature avoids system damage by preventing erroneous start-up.

For more information, visit the TPS23861 evaluation board product page

Buy samples now

Texas Instruments homepage

 

Author: Garth Miller  Published: 15 Aug 2014


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