Power Electronics / Power Management


Latest Articles

Overcurrent protection for DC 24 V systems
4 April 2007, Radél
Availability and safety of production equipment are paramount in modern manufacturing plants. However, 24 V d.c. switch-mode power supplies, which are widely used in industry today, may stop entire plants ...

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Sine wave solar inverter also functions as UPS
4 April 2007, Current Automation
Mean Well has launched a DC/AC power inverter with UPS and solar charging function. The new TN-1500 series targets the renewal energy market. The true sine wave inverter can provide 1500 W continuously, ...

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Integrated mains voltage surge protector
4 April 2007, Perimeter Security, Alarms & Intruder Detection, Integrated Solutions
Legrand offers a range of electrical switches and sockets that include voltage surge protectors. Called Mosaic, they are designed for localised protection of the mains supply of computer and electronic ...

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Half-duplex RS485 transceivers are very small
4 April 2007, Electrocomp
Maxim's new half-duplex RS485 transceivers have a small footprint (8-pin microDFN or SO package) suited for space-constrained applications such as motor control and mobile sensors. Measuring only 2 x ...

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ESD-protected RS485/422 transceivers with high noise immunity
4 April 2007, Altron Arrow, Information Security
Intersil's ISL315XE series of ICs are BiCMOS, IEC61000 ESD-protected, 5 V powered, single transceivers that meet both the RS485 and RS422 standards for balanced communication. Each driver output and receiver ...

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Bipolar LDO family is accurate and quick
4 April 2007
ON Semiconductor has introduced four new high performance bipolar low dropout (LDO) linear regulators. With output currents ranging from 0,5 A up to 3,0 A and very low noise performance (without bypass ...

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Filtered power entry module with IP65 seal protection
21 March 2007, Retron
The 5707 Series power inlet module from Schurter prevents particles and liquids from entering into the appliance. This first-of-its-kind power entry module, offers an alternative to makeshift accessories ...

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Can the lead-acid battery compete in modern times?
21 March 2007, Uniross Batteries
During the mid 1970s, the maintenance-free lead-acid battery was developed that could operate in any position. The liquid electrolyte was transformed into moistened separators and the enclosure was sealed. ...

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High-side intelligent power switches improve power density and response time
21 March 2007, News & Events
International Rectifier says its new family of fully-protected, high-side intelligent power switches (IPS) use next-generation silicon in enhanced packaging to deliver improved power density and response ...

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2-wire fuel gauge accurately reports remaining battery capacity
21 March 2007, Electrocomp
Dallas Semiconductor's standalone, open-circuit-voltage (OCV) based fuel gauge, the DS2786, estimates the available capacity of rechargeable Li+ batteries using a combination of an OCV battery model and ...

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Hall transducer in SO-8 package for isolated current measurement
7 March 2007
Minisens is a miniature, integrated circuit transducer for AC and DC isolated current measurement up to 100 kHz. This device from LEM offers full isolation (no optocouplers required) and high sensitivity ...

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55-100 V power MOSFETs have very low RDS(on)
7 March 2007
Ixys has developed a new platform of Power MOSFETs called TrenchMV, which cover the 55 V to 100 V range with currents ranging from 44 A to 280 A. These devices use Ixys' unique Trench MOSFET technology ...

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Need another supply other than VDD? With a CCP, it is as easy as ABC
7 March 2007, Altron Arrow, Electrocomp, Tempe Technologies, Future Electronics
In many applications, the power supply voltage is often dictated by an external design constraint such as battery voltage, bus-powered USB or something as mundane as a single-output, low-cost wall wart. ...

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Modular SMT point-of-load converters simplify DC power design
7 March 2007
Linear Technology’s recent technical achievements in the performance of switching regulators and innovative packaging methods have finally allowed a new generation of point-of-load DC-DC regulators, including ...

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SMT heatsinks for LFPAK
7 March 2007, Electrocomp
In addition to heatsinks for surface-mounted electronic components with casings D PAK (TO252), D2PAK (TO263) and D3PAK (TO268), Fischer Elektronik has developed special SMT heatsinks to suit casings for ...

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Signal/power isolator for secondary control start-up
7 March 2007
Designers of isolated secondary control power supplies must deal with the challenge of providing startup power to the secondary controller. This often involves the inclusion of an auxiliary power supply ...

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The thermal challenges presented by small packages
21 February 2007, Altron Arrow, Electrocomp, Future Electronics, Tempe Technologies
As IC packages get smaller and smaller, new thermal management problems arise. Although these new devices often dissipate the same, or even more power than earlier generations, it is much more difficult ...

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Factorised power architecture: high performance computing, lower energy costs
21 February 2007
Today′s high performance computing systems are power hungry and consume more each year. Overall growth in IT demand and increasing energy costs outstrip the improvements in performance per device, resulting ...

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High power density PFC front end
21 February 2007
Vicor′s 1RU is a high power density PFC FrontEnd for use with various power modules. The ultra-low profile, fan-cooled, power factor corrected AC-DC front end operates from a wide range 85–264 V a.c. ...

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GUI supports Z-One power components
21 February 2007
Power-One′s latest version of its Z-One graphical user interface (GUI) provides the capability to configure, program, and monitor point-of-load (POL) converters and digital power managers (DPMs) obtained ...

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