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Freescale has developed advanced, ultra-low-voltage DC/DC converter technology that enables industry-leading solar cell startup and operating performance and efficiency at levels as low as 0.32 V, as well as operation down to 0.25 V. Most ICs cannot start up at voltages less than the typical turn-on voltage of a transistor (approximately 0.7 V) without external assistance. Freescale's power conversion technology enables IC startup thresholds to be reduced to 0.32 V and efficiencies of nearly 90%. This technology breakthrough can enable practical and cost-effective ways to develop a wide range of single-cell solar power systems and other energy-harvesting applications, such as thermoelectric and mechanical scavenging systems. Potential applications include solar-powered battery chargers, trickle chargers for automotive systems, chargers for cell phones and laptops, remote data acquisition, PV-based traffic signals, solar-powered home and commercial lighting products, and self-powered wireless transponders.


Freescale Semiconductor
http://www.freescale.com