Category | January

Magnetic Induction or Magnetic Resonance for Wireless Charging?

Posted on 15 January 2013

      Recent activities in wireless power technologies have created questions about the adoption direction of the ideal solutions. Magnetic Induction (MI) or Magnetic Resonant (MR) can both be considered for use in the consumer market. Regardless of which direction the consumer market takes, it is a given that the adoption of wireless charging [...]

Maximizing Precision in Thermal Interface Layers

Posted on 15 January 2013

      Simply “Good” is not good enough for TIM as a functional layer The thermal interface as a crucial building block in power electronics deserves special attention Today, modern semiconductors are driven at the edge of their capabilities due to cost pressure in a volatile market. Increased power ratings in given designs are [...]

Simulation and Infrared Technology Track Down Flows

Posted on 15 January 2013

      Turbulence in the Cooler Plate Modern high-end cooling modules place great requirements in quick and even heat dissipation. Liquid-operated coolers usually have several channels through which the liquid needs to flow evenly. The following article shows that this is not a trivial task… By Stefan Schuler and Konstantin Lickey Even the old [...]

Usage of Computer Modeling in Production of Power Semiconductor Devices

Posted on 15 January 2013

      By A. A. Pisarev (Proton-Electrotex JSC) and S. I. Matyukhin (State University – Educational R&D Complex) Relevance of adaptation of computer modeling in production of power semiconductor devices. Production of power semiconductor devices (PSD) nowadays is one of the most developing directions in world electronics. During production of PSD lot of strict [...]

Enhancement Mode GaN Making Wireless Power Transmission More Efficient

Posted on 15 January 2013

      In this article we show that enhancement mode GaN transistors enable significant efficiency improvements in resonant topologies and demonstrate a practical example of a wireless power transmission system operating in the 6.78 MHz range. By Alex Lidow PhD, CEO; Michael deRooij PhD, Executive Director of Application Engineering; David Reusch PhD, Director of [...]

Low-Cost GaN e-mode Transistors and Diodes

Posted on 15 January 2013

      Manufactured on an Integrated CMOS-Compatible 8-Inch Platform Within the power electronics industry, GaN technology is slowly growing out of its niche. The first GaN transistors are winning a small but growing share of the power electronics market. Underpinning this development, a value-chain is developing between R&D centers, substrate providers, device designers and [...]

Efficiency Improvements in 3-Phase, PWM, Voltage-Source Inverters

Posted on 15 January 2013

      New circuit techniques will allow major increases in PWM frequency and power for three-phase inverters and enhanced power quality. By Donald Partridge, 1MT LLC, Apple Valley California This article introduces the following three significant improvements in 3-phase PWM voltage-source inverters (VSIs) allowing low-cost increases in efficiency, power or PWM frequency. 90% reduction [...]