Category | August

Interview with Bernd Pfeil

Posted on 23 July 2012

      Vice President Sales & Marketing Central Europe from EBV Elektronik on Power Electronics Support By Bodo Arlt, Editor BPS   Bodo Arlt: What influence does the growing alternative energy market have on the distribution channels for power semiconductors at EBV? Bernd Pfeil: The alternative energy market has been growing strongly for years. [...]

IGBT Power Modules Utilizing 650V IGBT3 and Emitter Controlled Diode3

Posted on 23 July 2012

      Achieving a Three Level Converter Recently the three level Neutral-Point-Clamped topology (NPC) known from high power applications is also applied in low and medium power applications to exploit specific advantages in system level design. Applications requiring filters, like UPS systems or PV inverters benefit from improved spectral performance and lower specific switching [...]

Power Planar Magnetics and Hybrid Electric Vehicles

Posted on 23 July 2012

      The HEVs are here – and more are coming The electronic circuits in a hybrid electric vehicle must operate in an extreme temperature environment with significant weight and size restrictions. The real advantages to using power planar magnetics in the electronic circuits of hybrid electric vehicles are described and quantified. By: Jim [...]

Simple High Voltage Conversion Solutions for Security Control

Posted on 23 July 2012

      Internal clamp protect the external MOSFET A RFID system is a wireless technology that stores and retrieves data remotely on devices called RFID tags. This type of system can be used in several applications from clothing tags to warehouse storage and inventory monitoring. The components of a RFID system consist of a [...]

2500A/1200V Dual IGBT Module

Posted on 23 July 2012

      The chip layout has been designed for increasing cooling capacity using liquid cooling A 2500A/1200V dual IGBT module for industrial use is reported. A small inductance internal wiring structure from the P to N terminals has been developed for this large current device. Semiconductor chips are arranged for the purpose of increasing [...]

Control Law Accelerator Boosts Digital Power Performance

Posted on 23 July 2012

      Platform of cost sensitive, high performance switching regulators While adoption of digital control techniques for switched power supplies may never be universal, interest has been steadily growing in the subject and commercial digital microcontrollers are now beginning to appear with features optimised for power supply control. This short article describes a new [...]

Inverter for Small Wind Power Stations

Posted on 23 July 2012

      Control strategies and inverter topologies for maximum efficiency Electrical energy generated from wind power plays an ever increasing role for our carbon free future. For small wind turbines, with output power of several kilo watts, different inverter topologies to control the wind turbine exist. This article explains the different control strategies and [...]

Power Conversion Standard Sets Direction for Suppliers and OEMs

Posted on 16 July 2012

      By Tom Newton, IPC Director of PCB Programs, Standards and Technology   Power conversion devices (PCDs) are used throughout the computer and telecommunications industries; however, until now, there was no defined standard for these devices. A standard was needed to improve field performance of power conversion devices, reduce the overall qualification interval [...]

Saving Energy in Portable Electronics

Posted on 23 August 2009

      Using Ambient Light Sensors (ALS) In portable electronic products, reducing the power consumption to provide the user with increased battery life is one of today’s critical design considerations. The liquid crystal display (LCD) and its associated backlighting are among the more (and frequently the most) power-hungry loads in portable products. As a [...]