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News
Fairchild’s New Active Bridge Solution Delivers Best-in-Class Performance for Power Over Ethernet-Based IoT Devices
2016-07-25 | ReturnAdvanced GreenBridge technology is compliant with the IEEE 802.3at standard and has up to 10 times lower power dissipation than Schottky diodes. This superior thermal performance allows designers to reduce or eliminate heat sinks to simplify their product design, decrease BOM costs and shrink PCB size.
“Dealing with heat has always been a critical design challenge, but even more so with these new generations of IoT devices that require 25.5W or more. The leading edge MOSFET technology in our latest GreenBridge devices help designers eliminate excessive heat and achieve key system design goals, including higher efficiency, ensuring standards compliance and decreasing overall size and reducing costs,” said Suman Narayan, vice president of the intelligent power FET division at Fairchild.
The extremely low conduction losses of the next-generation GreenBridge series are another important advantage as power and voltage must be maximized for the limited input power of POE systems. The GreenBridge series has best-in-class Rdson performance with 47 percent lower conduction losses compared to its closest competitor due to the power conversion efficiency of its optimized PowerTrench MOSFET technology.
The small size of GreenBridge devices also makes them ideal for new POE-based devices that need to be smaller than previous generations. At just 4.5 mm x 5 mm, the GreenBridge devices incorporate four MOSFETs in an MLP package connected in a full bridge. Further complementing their small size, the GreenBridge devices do not require an external driver, saving additional PCB space.
Availability
The new FDMQ8205 is available today in production quantities. Read the GreenBridge blog and visit fairchildsemi.com/greenbridge for more detailed product information, evaluation boards, and samples.
Source:http://www.fairchildsemi.com/