Category | Application and Design

Comparing the Benefits of Using an Integrated Power Module versus a Discrete Regulator

Posted on 01 September 2014

      Today’s power systems for communications and computing infrastructure support high current loads from increasingly power hungry FPGAs, ASICs and microprocessors. To supply these high current circuits, equipment makers often rely on discrete power solutions that are complicated, take up valuable real-estate and may have significant power output limitations. By Chance Dunlap, Intersil [...]

Getting the Best Performance from AC to DC Power Supplies in Abusive Environments

Posted on 29 August 2014

      By Ira J. Pitel Ph.D., Magna Power Electronics INTRODUCTION Ac to dc power supplies can be found in applications where power needs to be processed from the ac power mains to loads requiring a fixed or variable dc voltage or current. While such equipment has few input and output connections, engineers frequently [...]

Unique PFC Controller for Design Challenges of Packaged Air Conditioner

Posted on 06 August 2014

      Air conditioners are an important appliance in almost every residential and commercial building. While both window-type and duct-type air conditioners are common in the market today, duct-type air conditioners are becoming more main stream today due to their ease of installation. By Wen Chien, BLDC Product Line Marketing Manager, Fairchild Semiconductor However, [...]

Decentralized Drive Technology Solution with MPU

Posted on 05 August 2014

      In factory automation, decentralized drive solutions have many benefits over centralized drive solutions. For the latter, the frequency inverter and control unit is mounted inside a control cabinet and it requires multiple cabinets as well as star cabling topology for each drive. By Thomas Mauer, Texas Instruments Decentralized drives have the frequency [...]

Feature-Rich Optocoupler Enables IGBT Driving Scalability

Posted on 04 August 2014

      High scalability of an IGBT driving solution and consistent protection measures are essential requirements for a power converter platform design. The ACPL-339J gate drive optocoupler uses dual outputs to drive a current buffer’s upper and lower MOSFETs separately, thus allowing delicate timing control techniques to be integrated in the optocoupler. This design [...]

Three Stability Assessment Methods Every Engineer Should Know About

Posted on 09 July 2014

      Many engineers are familiar with the Bode plot as an effective stability assessment method. However, some authors suggest and even teach that the Bode plot is the only method needed. This article shows why this thinking is short-sighted. A single, low cost instrument that can produce Bode plots, as well as two [...]

Sensor Module Ensures Optimum Battery Utilisation in Heavy-Duty Vehicles, called omniMoves

Posted on 08 July 2014

      Precise battery diagnostics makes maneuvering large, heavy-duty loads easier Isabellenhütte’s shunt-based IVT Modular sensor module measures the basic battery components’ current and voltage with an error rate of less than 0.1 per cent. This exceptional degree of accuracy provides for consistent power control and efficient utilisation, especially for high-capacity battery systems. This [...]

Efficient Microcontroller Peripheral Modeling with PLECS

Posted on 01 July 2014

      Microcontrollers play an integral part in controlling modern power electronic systems. Often, for system level simulations, the peripheral modules are simplified to improve overall simulation efficiency. In this study, efficient modeling of high fidelity peripheral models is discussed and the advantages of simulating power electronic systems with these models have been investigated [...]

Precise Evaluation of Input, Output, and Reverse Transfer Capacitances of Power Devices

Posted on 30 June 2014

      Increasing importance of capacitance measurement The switching frequency in power conversion circuits is increasing. This is primarily to reduce the size of passive components such as smoothing capacitors and reactors. Accurate characterization of device parameters affecting switching performance become more important as higher switching frequencies increase power circuit switching losses. By Hisao [...]

eFPGAsim: A Versatile Motor Drive and Power Electronic Test System

Posted on 13 June 2014

      Smart-grid and Electric hybrid-vehicle devices tests and validation made easy with the power of FPGAs This article presents a versatile test gig for controlled systems and devices such as electric hybrid vehicles (HEV) and smart grid controllers. At the core of this Hardware-In-the- Loop (HIL) test systems are a set of FPGA-based [...]