Power Electronics / Power Management


Latest Articles

Choosing a linear regulator: dropout voltage and ground current
25 July 2007
The pass element used in a linear regulator establishes the dropout voltage and ground current which, in turn, determine the types of applications for which the regulator is suitable. Each of the five ...

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High input voltage step-down controller
25 July 2007
The LTC3810 from Linear Technology is a high input-voltage synchronous step-down switching regulator controller that can directly step down voltages from 100 V to output voltages ranging from 0,8 V to ...

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Microcontroller peripherals enhance digital power supply design
11 July 2007, Altron Arrow, Electrocomp, Tempe Technologies
Early switch-mode power supply (SMPS) designs used a standard approach referred to as voltage-mode operation. A ramp generator drove one input of a voltage comparator, and the error signal from the error ...

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110 V DC/DC converters likely to move
11 July 2007
Targeting transportation applications, Vicor has developed a 24-model series of Maxi, Mini and Micro DC-DC converters for 110 V d.c. input. This new series includes eight standard output voltages of 3,3, ...

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Compact 15 W power supply range
11 July 2007
Designed to meet the space and performance needs in low-power telecommunication, industrial control and embedded systems applications, Astrodyne has released the PV15 line of high density enclosed switching ...

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New materials for power applications
11 July 2007, Electrocomp
EPCOS has developed two new ferrite materials whose improved properties make them suitable for the power range typical of SMPS (switch mode power supplies) and current meters. N95 is distinguished by ...

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Lightweight modular IGBT modules
11 July 2007, Electrocomp
Infineon recently introduced a new family of compact IGBT modules that enable power converter system solutions optimised for various industrial drives, windmills, elevators, traction or auxiliary drives, ...

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Mid-voltage power MOSFETs feature high current capabilities
11 July 2007
Ixys has released a new line of high current mid-voltage power MOSFETs in versions ranging from 55 V to 100 V, featuring ultra-low Rds(on). The new power MOSFETs capitalise on the benefits of proprietary ...

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Regulators for a broad range of applications
11 July 2007, Brabek
Recom has expanded its R-78 range of switching regulators with three new series covering wide input voltage ranges, higher output currents and higher input voltages, while still featuring the small SIP3 ...

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Cost-effective wind turbines provide alternative energy source
11 July 2007
With the power generation problems our country is currently experiencing, a lot of attention is being paid to alternative energy sources. Kestrel wind turbines provide an alternative solution. A cost-effective ...

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Highly integrated boost regulator
11 July 2007, Altron Arrow
Providing a complete boost regulation solution for passive matrix OLEDs (organic light emitting diodes), Intersil has released the ISL97701. The device's distinguishing characteristic is its high level ...

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Multifunction power manager
11 July 2007
The LTC3555 from Linear is the first in a family of multifunction power management solutions for Li-Ion/Polymer battery applications. It integrates a switching PowerPath manager, a standalone battery ...

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High power V·I chip module in miniature package
27 June 2007
Vicor has announced the availability of MIL-COTS 28 V DC-DC V·I Chip modules. This new product line consists of a 28 V d.c. input PRM regulator and a family of VTM current multipliers with output voltages ...

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New on-board DC-DC converters
27 June 2007, Current Automation
Mean Well has launched the NSD-10 (10 W) and NSD-15 (15 W) series on-board type DC-DC converters that expands its DC/DC product lines in the low wattage range for the emerging trend of distributed power ...

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DC/DC converter requires no heatsinking
27 June 2007
Providing designs engineers with a point-of-load device for a variety of applications, BI Technologies offers a fixed 5 V output DC/DC converter. Designated the MS2378, the 2 W converter is packaged in ...

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Connect and protect a higher powered solution
27 June 2007, Retron, Information Security
The DF11 and DF12 power entry modules with circuit breaker from Schurter are ideal for the protection of high transient loads where fuse-links cannot be used in power entry modules due to higher power ...

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Tiny, very efficient Schottky bridge rectifier
27 June 2007, MB Silicon Systems
The CBRHDSH1-100 from Central Semiconductor is a 1 A, 100 V Schottky bridge rectifier ideal for both first generation and second generation PoE (Power over Ethernet) designs, as well as general purpose ...

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Highly efficient low-power switching regulator
13 June 2007, Altron Arrow, Electrocomp, Tempe Technologies, CST Electronics
Microchip has released the MCP1603 - a 2 MHz, 500 mA switching regulator. This new, low-power switcher provides adjustable and fixed output voltages, operating efficiency of up to 90%, and is available ...

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Meissner celebrates 40 years uninterrupted!
30 May 2007
Meissner, a leading South African supplier and manufacturer of uninterruptible power supplies (UPSs) is proud to be celebrating the supply of continuous power to leading blue chip and industrial companies ...

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Power supply offers both single phase universal input and three phase input
30 May 2007, Vepac Electronics
XP Power has added to its DNR range of DIN rail mounted, industrial AC/DC power supplies. The DNR480, a single output 480 W model, offers universal input, accepting voltages in the range 90-264 V a.c. ...

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