Power Electronics / Power Management


Latest Articles

Step-up converter with ultra-low quiescent current
22 August 2007, ASIC Design Services, NuVision Electronics
The AS1323 from austriamicrosystems is a high efficiency step-up DC-DC converter which draws ultra-low current in quiescent mode. It delivers 100 mA output current from a single AA battery with possible ...

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200 V ICs for motor drive applications
8 August 2007
International Rectifier has introduced a series of 200 V ICs for low- and mid-voltage motor drive applications including power tools, low-voltage servo drives, electric garden equipment, and electric ...

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High-efficiency 320 W pre-regulator module
8 August 2007
Vicor has introduced a high power 320 W PRM (pre-regulator module) non-isolated regulator. Designated P045F048T32AL, this latest V#183;I Chip component is designed for high-performance 48 V power applications ...

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New isolated dual-output power supplies
8 August 2007, Current Automation
Mean Well has added two more new 125 W isolated dual-output models to its high reliability, miniature G3 product family. The RID-125-1205 and RID-125-2405 are AC/DC switching power supplies that can ...

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Expanded BJT range delivers power efficiency
8 August 2007, Altron Arrow, EBV Electrolink
ON Semiconductor has expanded its low Vce(sat) bipolar junction transistors (BJTs) portfolio to include PNP and NPN devices that incorporate advanced silicon technology. These new transistors deliver ...

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Ultra low voltage MCU supervisors
8 August 2007, NuVision Electronics, ASIC Design Services
The AS1925 and AS1926 from austriamicrosystems are designed to monitor supply rails of 0,9 V to 1,5 V in microprocessor and digital systems, without the need for external components, and force a reset ...

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Single-phase energy metering ICs
8 August 2007
The STPM1x family from STMicroelectronics is a series of energy-metering ICs that incorporate all of the core circuitry necessary to implement a complete meter system, without requiring any other active ...

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Dual-edge, multiphase buck controllers
8 August 2007
ON Semiconductor's new NCP5387 and NCP5382 multiphase buck controllers address power needs for servers and for VR10.x, VR.11.0 and Parallel VID-based desktop personal computers. The devices combine differential ...

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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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