GreenBridge Delivers Thermal, Efficiency and Size Advantages Superior to Diodes for POE PDs
SUNNYVALE, Calif. — (BUSINESS WIRE) — July 25, 2016 — Fairchild (NASDAQ: FCS) a leading global supplier of high-performance semiconductor solutions, today enhanced its industry-leading GreenBridge™ active bridge quad MOSFET technology with FDMQ8205, the first member of its next-generation GreenBridge series for applications that receive power via Power Over Ethernet (POE), such as security cameras, wireless access points, LED lighting and other Powered Devices (PD). Designers can lower operating temperature, increase efficiency and reduce the solution size of their devices by taking advantage of the GreenBridge solution’s best-in-class Rdson performance, extremely small form factor and superior thermal performance.
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Fairchild's GreenBridge active bridge solution has best-in-class performance for security cameras, IP phones, wireless access points and other devices that are powered via Power over Ethernet (PoE). (Graphic: Business Wire)
Advanced 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.
Fairchild has a rich history as a pioneer in the semiconductor industry and that pioneering spirit endures today in our vision for making the world a cleaner and smarter place. We specialize in the development and manufacturing of a complete portfolio of low- to high-power solutions and deliver an amazing design experience to the engineers and system architects who build systems for the mobile, industrial, cloud, automotive, lighting, and computing industries. Our foundation is our guiding principles, which recognizes the inseparability of engaged employees and delighted customers, and encourages our employees to simplify, challenge, explore, play, excel, respect, go fast, and be direct. If you use a smart phone, drive a car, own a modern appliance, live and work in comfortable connected buildings, or enjoy film animation, you have experienced Fairchild’s Power to Amaze. Please visit us on the web at www.fairchildsemi.com.
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