Power Electronics / Power Management


Latest Articles

Universal compact power supplies
25 June 2008, Vepac Electronics
The primary switched power modules PMAS/PCMAS100 from MTM have been designed as universal compact power supplies with AC and DC wide input ranges for worldwide application and allow an efficient, cost-saving ...

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Ultra tiny Schottky diode
25 June 2008, MB Silicon Systems
Central Semiconductor has released the ultra tiny CMASH-4 Schottky diode in the SOD-923 package. This new FEMTOmini device is a high quality 40 V, 200 mA Schottky diode with a forward voltage drop of ...

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Tiny step-down switching regulators
25 June 2008, Altron Arrow
National Semiconductor has developed two new step-down switching regulators well-suited for handheld devices and automotive power adapters. The highly integrated LM34917A and LM34919 are non-synchronous ...

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Multi-output regulator supplies DDR2/3 voltages
25 June 2008
STMicroelectronics has combined all supply voltage and reference sources for a multimedia chipset and DDR2/3 memory into its PM6641 multi-output regulator. The regulator, housed in a 7 x 7 mm QFN-48 package, ...

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Power controller for Intel VR processors
11 June 2008
International Rectifier has introduced the IR3502 XPhase control IC for Intel VR11.0 and VR11.1 processors. The IR3502 provides overall system control and interfaces with any number of IR's XPhase ICs, ...

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Tiny DC-DC converter delivers up to 4 A
11 June 2008, EBV Electrolink
The ISL8014 from Intersil is a high efficiency, monolithic, synchronous step-down DC-DC converter that can deliver up to 4 A continuous output current from a 2,7 V to 5,5 V input supply. It uses a current ...

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AC-DC converter for LED lighting applications
11 June 2008, Current Automation
Mean Well has released a new 150 W AC-DC converter for the growing demands of large scale LED lighting related applications. With a wide input range from 90-280 V a.c., the CLG-150 series also features ...

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MOSFETs in robust TO-247 package
11 June 2008
International Rectifier has expanded its portfolio of 60 V, 75 V and 100 V MOSFETs for switch mode power supplies (SMPS), uninterruptible power supplies (UPS) and industrial applications such as power ...

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'Green' adapters are Energy Star compliant
28 May 2008, Current Automation
Mean Well has expanded its AC-DC green adapter line with the introduction of the miniature GS40 (40 W) and GS60 (60 W) series that comply with the latest Energy Star regulation. The devices are desktop ...

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Power supplies with convection or fan cooling
28 May 2008, Vepac Electronics
XP Power’s SDC320 AC-DC power supply offers a choice of four formats, two using convection cooling or system airflow and two with internal fan cooling. The compact 320 W unit, measuring just 101,6 x ...

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Low-loss power MOSFET
28 May 2008
STMicroelectronics has announced a new power MOSFET - the STV300NH02L - featuring low, microΩ ON-resistance to reduce losses and increase efficiency in demanding power supply systems. This new high-current ...

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Range of products for energy efficient designs
28 May 2008
Legrand’s range of energy saving electrical products and systems, designed to minimise the effects of power outages, includes emergency lighting devices, energy saving occupancy sensors and surge protection ...

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Power system transient load management by design
28 May 2008
As operating frequencies of equipment continue to increase, dynamic loads become increasingly important. Transient response – the ability of the power converter to respond to a change in the load requirement ...

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The future of energy harvesting technologies
28 May 2008
The need to minimise maintenance and replacement costs of battery-powered applications is driving developments in energy harvesting technologies that bind renewable and ambient sources of energy. New ...

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Meissner's UPS upgrade at Megawatt Park
28 May 2008
Meissner recently completed a project in which it was appointed by Eskom to supply uninterruptible power supplies (UPSs) to the power utility’s Megawatt Park facility. The project involved the replacement ...

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Low-loss, high-saturation SMT power inductor
28 May 2008
Pulse has introduced the new PG0702NL series of flat-coil surface mount (SMT) power inductors. These inductors have a low DCR of 0,89 to 5,9 mΩ and a tight tolerance of ±6% for high efficiency. Inductance ...

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Multi-output programmable power supply system
28 May 2008, Sivan Electronic Supplies
The Testron 2400 modular power supply system allows a combination of high and low power modules in the same ATE environment, providing a true single-box solution, saving space and money. Each 19" by ...

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Considerations for series connection of IGBT and MOSFET switches
28 May 2008
Figure 1 shows the typical RC snubber networks for voltage sharing for switches (S) connected in series in a capacitive discharge circuit. A static voltage sharing resistor RS is required so that the ...

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Triple-output step-down switching regulator
28 May 2008, Altron Arrow
Allegro Microsystems has developed a new triple-output step-down switching regulator. The A4490 provides three high-current, adjustable, high-performance switching regulator outputs with an input voltage ...

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Single-chip energy metering devices
28 May 2008
Analog Devices is expanding its portfolio of energy metering solutions with the ADE51xx and ADE55xx single-chip metering devices, which are designed for the increasingly sophisticated communications networks ...

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