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Energy management ICs uniquely suited to support deployments of 60W

Mon, 12/10/2012 - 2:57pm

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Akros Silicon Inc., announces the immediate availability of the AS1860, the newest member of the company’s GreenEdge™ family of system-on-a-chip (SoC) energy management ICs. The AS1860, equipped with Akros’ proprietary GreenEdge digital isolation technology, is uniquely suited to support deployments of 60W and above Power over Ethernet (PoE) Powered Device (PD) applications such as thin clients, monitors, industrial Ethernet, IPTV, building management, Industrial Networking and many other high power designs. This unique single-package solution offers benefits not provided by existing solutions, including higher efficiency and reliability as well as dramatic reductions in system costs and board real estate.

The AS1860 SoC offers the following one-of-a-kind features:

  • Dynamic power-level adjustment (to 60W and above) without using optocouplers and their associated complex compensation networks
  • Higher power conversion efficiency due to communication across the isolation barrier
  • More accurate output-voltage sensing using a resistor-divider sensor on the secondary side

    All other existing approaches to higher power (60W and above) PoE deployments require multiple components, such as two or three power management ICs, several optocouplers and custom transformers. In addition to adding component cost, consuming board space and increasing design complexity, these approaches are vulnerable to shoot-through issues and losses due to rectifier diode and reverse recovery. In contrast, Akros’ approach can accommodate 60W and above PoE applications using just two components: one AS1860 SoC and one external FET. Moreover, by integrating GreenEdge digital isolation, the AS1860 enables the implementation of many advanced diagnostic and high-voltage telemetry features that allow operators to remotely manage power, which in turn enhances reliability and energy efficiency.  

 

 

 

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