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February 18th, 2009

Video of the week: Freescale delivers big power from small solar cells

Published on February 18th, 2009 | By: pwray@ceramics.org

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Via CNET’s Green Tech blog, we bring you a video about some nifty power conversion technology for photovoltaic applications that Freescale Semiconductor unveiled this week at the Applied Power Electronics Conference and Exposition. This is about high efficiency, ultra-low-voltage DC-to-DC converter technology. It enables IC startup thresholds to be reduced to 0.32 V (ICs typically can’t start up at less than 0.7 V) and efficiencies of nearly 90 percent. This method would allow new system design options and the ability to recover energy at ultra-low voltages, e.g., single-cell solar power systems and other energy-harvesting applications, such as thermoelectric and mechanical scavenging systems. “Freescale says applications can include solar-powered battery chargers, trickle chargers for automotive systems, chargers for cell phones and laptops, remote data acquisition and industrial HVAC systems, PV-based traffic signals, solar-powered home and commercial lighting products, and self-powered wireless transponders.”


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