Category | July

Fast Switching Semiconductors, a Blessing or a Curse?

Posted on 29 June 2012

      Inside losses need to be cooled away In order to fulfill the grid codes for power quality and to eliminate bulky filters, power engineers are seeking switches with lower switching losses that allow operation of power converters at higher switching frequencies. The switching losses of high power semiconductors can not be infinitely [...]

1st SiC JFET Easy1B Module

Posted on 29 June 2012

      Very low switching losses enable ultra low loss power electronic designs Reducing losses is one of the most challenging trends in power electronics. Wide band gap devices like SiC switches are known to show best performance in terms of lowering conduction and switching losses. It is one decade ago, that Infineon introduced [...]

Point-of-Load DC-DC Converters

Posted on 29 June 2012

      Delivering high efficiency and high step-down ratios with ultra-fast transient response Point-of-Load (POL) system designers in industrial, networking/communications, and high–end consumer applications are constantly challenged with numerous important design choices. By Sridhar Gurram, Product Marketing Manager, Micrel, Inc.   Balancing the benefits of solutions based on discrete ICs against the use of [...]

Shielded Gate Power MOSFET Technology Enables Lower Conduction and Switching Losses

Posted on 29 June 2012

      Power supply designer boost efficiency and power density to new levels Regulatory bodies as well as end customers find themselves striving for higher efficiency in DC-DC power supplies. New designs require lower Specific On-resistance while not sacrificing Unclamped Inductive Switching (UIS) capability or increasing switching losses. By Mike Speed, Joe Yedinak and [...]

Practical Experience of ERP-System Implementation in Power Semiconductor Devices Manufacturing

Posted on 29 June 2012

      Proton-Electrotex JSC, in Orel is a Russian company working in the area of development, production and sales of power semiconductor devices – diodes and thyristors of disk, stud, and module type, as well as power stacks. The produced devices are well known on the world market of power electronics since export equals [...]

Convert from Inputs Down to 1.5V, Deliver Up to 15A Output, without an Auxiliary Bias Supply

Posted on 29 June 2012

      Many next-generation designs for multi-ASIC embedded systems and dual-core single-board computers utilizing 48V or 24V distribution backplanes are migrating towards a 3.3V system bus -- away from 5V system bus architectures -- as the designing-out of legacy 5V digital devices leaves a need for only 3.3V DD voltages, and lower. Are there [...]

Single Chip Provides Power for 13/18V or 21V Set-Top Box LNB Designs

Posted on 29 June 2012

      A fully integrated way to provide power to the low noise block Historically, the satellite set-top boxes have provided power to the LNB (low noise block) which resides on the satellite dish on the roof via the same coaxial cable which is used to receive RF signal with the programming information from [...]

Reducing the Cost of Using Off-The-Shelf Power Management ICs

Posted on 29 June 2012

      With the demise of industry wide second sourcing and the move to developing purely proprietary designs, Power Management IC companies have raised the profit bar to new heights. Good for them and bad for you. Bob Frostholm, JVD Inc.   With the notable exceptions of cellular phones, notebooks, and other highly competitive [...]