PowerGuru - Power Electronics Information Portal

      Examination of some of the finer points of class D amplifiers, and how engineers can optimize audio performance and keep improving their designs. By Jun Honda, Director of Audio Systems Engineering at International Rectifier The efficiency and size advantages of class-D amplifiers, which enable improvements in system form factor, styling and battery [...]

      Advanced PoE products requiring up to three times the power of previous-generation devices can be implemented with intelligent power management ICs By Faisal Ahmed, Vice President, Marketing, Akros Silicon Evolving PoE Standards In 2011 Cisco introduced a new 60W implementation it calls UPOE while the IEEE is working on a new standard [...]

      Improving power density is a permanent challenge of R&D in power electronics. A survey of modern power electronic circuits shows that further optimization has to be based on the passives and particularly on the inductive components. By Alexander Stadler and Christof Gulden, STS Spezial-Transformatoren Stockach GmbH & Co. KG, Am Krottenbühl 1, [...]

      The Lighting Hub Over 1,100 visitors from 34 countries attended the LED professional Symposium +Expo 2013 in Bregenz, Austria, from September 24th to 26th. Research institutes, lighting organizations and the lighting industry presented their insights on the latest trends in LED and OLED lighting technologies in multiple sessions, workshops and throughout the [...]

      The fifth international trade fair for electric and hybrid mobility eCarTec 2013 which took place from 15th to 17th October, 2013 in Munich, showed that the the electric mobility industry has almost crossed the valley of tears. Despite a difficult start at the beginning of 2013, the organizers of the trade show [...]

      Linear regulators are still widely used in all kind of applications. If the current needs are in the lower range and efficiency is not important, they are still first choice. Also from a cost perspective, linear regulators can be a good choice, if the total solution cost including a heat sink can [...]

      Distributors in the electronics industry have been known for about 50 years. Today, there are several types of distributors. Some companies have become very big and carry over a hundred or more different product lines in their portfolio. Due to their large and global customer base, every electronic device manufacturer, who wants [...]