Power Electronics / Power Management


Latest Articles

FOC brings DC control to AC induction motors
29 October 2008, Tempe Technologies
In the real world, the motor selection process can be complex and the decision must balance the ease of control with other system-related variables such as ease of maintenance, system response to failure, ...

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Complete fixed-speed induction motor solution
29 October 2008
The Somar Integra is a complete fixed-speed induction motor solution with many programmable features that can be tailored to the user’s specific needs. A soft start feature prevents a high in-rush ...

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Battery backup systems
29 October 2008
Recently launched by Sinetech, Studer-Innotec’s series of fully automatic pure sine wave inverters, battery chargers and transfer systems offer solutions for home or small business utility backup. Available ...

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Tiny transistors and diodes
29 October 2008
ON Semiconductor has expanded its discrete packaging portfolio with new micro-packaged transistors and diodes. Newly available are general-purpose and bias resistor transistors (BRT) in SOT-723, SOT-963 ...

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Thyristor module for 100 kVAR
29 October 2008, Electrocomp
Epcos has extended its series of thyristor modules with the new TSM-LC100, designed for capacitive loads up to 100 kVAR at 400 V. Employing microprocessor control, the module adapts itself automatically ...

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20 V p-channel power MOSFET
29 October 2008, EBV Electrolink
To address the need for smaller components in portable devices, Vishay has released a new 20 V p-channel TrenchFET power MOSFET in a MICRO FOOT chipscale package with what it claims is the industry’s ...

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Photovoltaic string combiner
29 October 2008, Sivan Electronic Supplies
New from Power-One are Aurora String Combiners, commercial-grade renewable energy products supporting paralleling and integrated current measurement for up to 20 photovoltaic strings. Features of the ...

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Noise performance comparison of two DC-DC converter topologies
15 October 2008
Today, power conversion is usually accomplished with high-density DC-DC converter components based on high-frequency switching technologies. Efficient high-frequency operation has long been recognised ...

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Unusual application for programmable power supply
15 October 2008, Comtest
Since the Pretoria-based company was established in 1987, Southern Implants has been a pioneer in the field of dental implant science. The company is constantly expanding its product range to incorporate ...

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8-channel isolated high-side drivers
15 October 2008, EBV Electrolink, Electrocomp
The first members of Infineon’s ISOFACE product family are fully protected multichannel high-side power switches providing galvanic isolation for digital output interfaces. The ISO1H801G and ISO1H802G ...

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Network power controller
15 October 2008, Sivan Electronic Supplies
Power-One has introduced the ACC Controller, a network-power-system controller providing monitoring and management of an array of parameters, and an extensive alarm log, enabling the collection and analysis ...

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Power supply suits lighting systems
15 October 2008
Mean Well has launched a new constant voltage power supply optimised for LED lighting, decorative lighting and general high dust/moisture applications. With a non-PFC design and 90–132 V a.c. input range, ...

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Dual-switching DC-DC converter
15 October 2008, CST Electronics
Maxim’s new MAX15022 is a flexible DC-DC converter that integrates dual synchronous DC-DC regulators (4 A and 2 A) and dual linear controllers to provide four outputs from a single IC. The device can ...

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Open frame power supply
15 October 2008, Vepac Electronics
XP Power has announced the availability of its ECM140 series of compact open frame single-output AC-DC power supplies. Measuring 76,2 x 127 x 33 mm and offering high power density, the units require just ...

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LDOs boast low Iq
15 October 2008
ON Semiconductor has expanded its portfolio of low dropout (LDO) linear voltage regulators for automotive electronics modules that require very low ignition-off currents. Qualified to AEC-Q100 and operating ...

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DC-DC converters with wide input ranges
15 October 2008, Accutronics
Many high power-density DC-DC converters on the market today have a narrow 2:1 input range of typically 9-18 V, 18-36 V or 36-72 V d.c. However, in military and avionics systems on board fighters, tanks, ...

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Comprehensive, low-cost testing of standby batteries
15 October 2008
Nigel Scott, technical and business development manager at LEM, describes new approaches that enable standby battery systems to be continuously monitored during their service life, offering the capability ...

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Three-phase gate drivers
15 October 2008, Future Electronics
International Rectifier has introduced the IRS233x(D) family of three-phase gate driver ICs for low-, mid-, and high-voltage motor drive applications including permanent magnet (PM) motor drives for airconditioners, ...

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Meissner launches diesel generators
15 October 2008
Meissner, better known as a supplier of uninterruptible power supplies (UPS), has extended its product offering by launching a range of diesel generators and in doing so says it is able to offer its customers ...

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Controllers implement dynamic demand
15 October 2008
UK-based company RLtec specialises in demand-side energy management (dynamic demand) systems. What dynamic demand does is fine-tune the demand side of the utility energy equation, making subtle, second-by-second ...

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