al Semiconductor Corp., a designer and manufacturer of analog semiconductors, has introduced the SM3320, an in-panel SolarMagic chipset. The SM3320 SolarMagic smart panel chipset, the most recent addition to National's SolarMagic product line, provides junction box and module manufacturers with information to ensure the highest efficiency and return on investment for solar system owners, the company says. Packaged as a complete board-level system or available as a chipset, National's SM3320 incorporates 10 proprietary analog and mixed-signal integrated circuits, providing digital control combined with analog sensing and communication. Proprietary algorithms apply localized maximum power point tracking, extracting the maximum energy available by translating the input voltage and current to the best output voltage and current pair to maximize energy flow, National says. The SM3320 is cognitive; the system senses input voltage and current throughout the array and adjusts to achieve optimum string levels. The SM3320 includes a highly integrated, 99.5% efficient, 350 W tri-mode power converter. To achieve maximum energy harvest, the SM3320 can either boost, pass-through or lower the voltage of each panel, National adds. Options include fire safety panel shut-off and a set of safety mechanisms. National Semiconductor Corp.: (877) 765-6244 SOURCE: [link=http://www.national.com/]National Semiconductor Corp.[/l
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