Power Electronics / Power Management


Latest Articles

Premium aluminium PFC capacitors
20 October 2004, Electrocomp
PhaseCap capacitors in cylindrical aluminium cases have been designed for power factor correction. Since loads like motors and transformers consume active power as well as reactive power, generators, ...

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SNMP adapter for UPS
20 October 2004
The Multenet Power Agent, recently released for a worldwide distribution, is specifically designed to provide UPS systems that do not support Ethernet connectivity with network management over multiple ...

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Clip-on heatsinks for high power density transistors
20 October 2004, Electrocomp
For improving the heat dissipation from transistors, Fischer Elektronik offers an appropriate solution with its clip-on heatsinks made of copper. Suitable for TO218, TO220, TO247, TO248, SIP multiwatt ...

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Power factor corrector uses fast solid state switches
20 October 2004, Electrocomp
The increasing complexity and sensitivity of electronic equipment calls for replacement of conventional static power factor correction (PFC) systems by dynamic PFC systems that react in realtime. Typical ...

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Open frame power supplies
20 October 2004
The RKW open frame, L-chassis, single output power supplies from Kepco are available in the 30, 50, 100 and 150 W sizes. They provide DC outputs from 3,3 V to 48 V from AC mains 85-265 V a.c. and, except ...

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Linear battery charger chip integrates pass transistor and protection
20 October 2004, Tempe Technologies, Altron Arrow
Microchip is offering to market single-cell and dual cell versions of a fully-integrated, charge-management controller that features a charge-safety timer and temperature monitor. The MCP7386X devices ...

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DC-DC conversion chip boosts efficiency
20 October 2004, Infrastructure
International Rectifier has introduced a control and synchronous switching chip set for high-frequency DC-DC converters used for processors in high-end servers and PCs. Other applications include point-of-load ...

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Boost converters simplify drive circuitry for white LED backlighting
6 October 2004
ON Semiconductor has introduced fully-integrated white LED boost converters that drive up to five white LEDs in series to simplify and miniaturise colour LCD display illumination. Highly power-efficient ...

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Strobe supply drives up to five white LEDs
6 October 2004, CST Electronics, Electrocomp
The MAX1583, a high-efficiency, step-up DC-DC converter that drives up to five white LEDs in series with a high constant current to provide camera flash/strobe power in cellphones, PDAs, and other handheld ...

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High power LED driver has small footprint
6 October 2004, MB Silicon Systems, Sensors & Transducers
The MIC2291 is an LED driver from Micrel with over 1 A of input switch current capability. This is 60% more power capability than the company's MIC2287, allowing the MIC2291 to drive higher current LEDs ...

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Regulator with integral μP reset saves space
6 October 2004, Hi-Q Electronics, Access Control & Identity Management
By combining a microprocessor reset monitor and a 300 mA LDO regulator in a single 3,0 x 2,85 mm package, AnalogicTech's new AAT3258 significantly minimises design footprint and comes in an 8-pin TSOPJW ...

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Control IC to simplify DC-DC conversion designs
6 October 2004
International Rectifier's IRU3138 synchronous PWM controller IC is a feature-rich device with adjustable switching frequency, a 0,8 V fixed voltage reference, and 1,5% accurate voltage tracking capability. ...

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New MOSFET is versatile switching device
6 October 2004, Asset Management
ON Semiconductor's NUD3048 is a highly integrated N-Channel MOSFET featuring a breakdown voltage of 100 V and a buffered gate voltage rating of 100 V. For use in telecom, datacom or any -48 V bus distribution ...

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40 V rectification MOSFET optimised for telecom and datacom applications
6 October 2004
International Rectifier has introduced the IRF7842, a 40 V N-channel HEXFET power MOSFET optimised for isolated DC-to-DC converters for telecom systems. The 40 V rating enhances reliability when used ...

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Compact packaging for MOSFETs provide enhanced thermal performance
6 October 2004, News & Events
Expanding its portfolio of automotive power solutions, Royal Philips Electronics has released its high performance automotive (HPA) TrenchMOS MOSFETs in Philips' innovative loss-free packaging (LFPAK). ...

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Compact power factor correction controller
6 October 2004, Electrocomp
Thanks to their innovative and intelligent design, the BR6000 series power factor controllers enjoy worldwide popularity, according to the manufacturer, Epcos. Via thyristors, they can switch PFC capacitors ...

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First true industrial power meter system-on-chip
22 September 2004, Electrocomp
TDK Semiconductor has unveiled what it claims is the 'world's first true system-on-chip for industrial poly-phase power meters'. The new TDK 71M6513H integrates a 21-bit delta-sigma-delta converter, ...

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Reference design for 500 W stereo output Class D audio amp
22 September 2004
International Rectifier has released a Class D audio amplifier reference design featuring the company's 200 V-rated IR2011S high-speed gate driver IC that drives a pair of IRFB23N15D HEXFET MOSFETs. ...

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Compact fluorescent lamp ballast IC reference designs
22 September 2004
International Rectifier offers three complete reference designs for the company's IR2520D compact fluorescent lamp ballast IC. The designs are complete solutions for CFL ballasts. They feature programmable ...

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Low-power voltage regulator IC for automotive
22 September 2004, Altron Arrow, EBV Electrolink
Atmel's voltage regulator system IC, the ATA6405, is based on a fully integrated system voltage supply concept and consumes extremely low power. The device supports operation of up to 40 V and is optimised ...

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