Power Electronics / Power Management


Latest Articles

SLA battery charger
30 September 2009
Silvertel’s Ag102 is a battery charger module for sealed lead acid (SLA) batteries. It is simple to use and requires only 2–3 additional components for operation. In order to maximise battery lifetime, ...

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MOSFET suits DC switch applications
30 September 2009, Future Electronics
New from International Rectifier is the IRF6718 DirectFET MOSFET, a 25 V device offering low on-state resistance and optimised for DC switch applications such as active ORing, hot swap and electronic ...

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DC-DC converter for USB-powered devices
16 September 2009, EBV Electrolink
Texas Instruments has introduced a small 2,25 MHz DC-DC converter for USB-powered portable applications and wireless modems. The TPS62750 is a high-performance, 92% power-efficient, synchronous step-down ...

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Single-chip motor controller
16 September 2009
Diodes Incorporated has introduced a single-chip solution providing all the functionality required for driving low-power single coil brushless DC fans and motors. The AH5792 integrates a Hall sensor and ...

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Power MOSFETs for industrial systems
16 September 2009, Future Electronics
International Rectifier has launched a series of 150 V and 200 V HEXFET power MOSFETs with ultra low gate charge for industrial applications including switch mode power supplies (SMPS), uninterruptable ...

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75 W power supplies
16 September 2009, Current Automation
The new HRP-75 series power supply from Mean Well is designed to fit 1U low-profile (38 mm) rack chassis in applications such as factory automation, test and measurement equipment, electrical and mechanical ...

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Rectifiers feature ESD protection
16 September 2009, EBV Electrolink
New from Vishay is a series of low-profile surface-mount rectifiers with ESD protection to 25 kV. The new MSE1Px devices are offered in an eSMP series MicroSMP package with footprint dimensions of just ...

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MOSFET delivers low on-state resistance
16 September 2009, Future Electronics
International Rectifier has introduced the IRF6718 DirectFET MOSFET. The new 25 V device offers low on-state resistance and is optimised for DC switch applications such as active ORing, hot swap and electronic ...

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250 W AC-DC power supply
16 September 2009, Vepac Electronics
XP Power’s CCM250 is a new 250 W AC-DC power supply that achieves up to 95% efficiency, cutting the heat generated in medical, IT and industrial systems, and reducing or eliminating the requirement for ...

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Hyperabrupt junction tuning varactor
16 September 2009, CST Electronics
Skyworks has introduced two new varactor diodes for low phase-noise ultra-wideband voltage-controlled oscillators and low-cost mobile phone TV tuners. The new diodes offer high breakdown voltage, enabling ...

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Hex-voltage microprocessor supervisor
16 September 2009, CST Electronics
Maxim has introduced the MAX16055, a hex-voltage microprocessor supervisor with integrated reset timing, which eliminates the need for an external capacitor. Whenever one of the six monitored voltages ...

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Synchronous buck regulators
16 September 2009, EBV Electrolink
Vishay announced two new devices in the microBuck family of integrated synchronous buck regulators. The 4 A SiC413 and 10 A SiC417 are DC-DC converter solutions featuring an advanced controller IC with ...

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LDO linear regulators
2 September 2009, CST Electronics
Maxim recently introduced the MAX15027–MAX15030 low-dropout (LDO) linear regulators that operate from a 1,425 V to 3,6 V input voltage and deliver up to 1 A (MAX15027/MAX15028) or 500 mA (MAX15029/MAX15030) ...

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P-channel MOSFET
2 September 2009, EBV Electrolink
Fairchild Semiconductor has developed a new single P-Channel MOSFET that enables high levels of efficiency and a small form factor. The FDZ197PZ offers an RDS(ON) value of 64 mΩ at VGS = -4,5 V in a 1 ...

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Power MOSFETs with extended FBSOA
2 September 2009
Ixys has released its new Linear L2 power MOSFET family in the 250, 500, and 600 V ratings. These new devices are designed to sustain high power in linear mode operation and feature low static drain-to-source ...

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Low-EMI boost regulator
2 September 2009, MB Silicon Systems
Micrel has launched the MIC2250, a high-efficiency step-up regulator boasting low electromagnetic interference (EMI). This boost regulator achieves up to 90% peak efficiency; at light loads as low as ...

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Point-of-load voltage regulators
2 September 2009, Tempe Technologies
Semtech has announced the SC414 and SC424, two small 6 A, 28 V point-of-load voltage regulators, capable of efficiencies up to 96%. The devices have a wide input voltage range of 3 V to 28 V and the fixed ...

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Buck regulator for RF PAs
2 September 2009, NuVision Electronics, ASIC Design Services
austriamicrosystems has launched the AS1339, a tiny, highly efficient step-down regulator designed for multiband WCDMA/NCDMA and similar wireless applications. The device delivers up to 650 mA from an ...

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Motor efficiency depends upon power factor correction, too - Part 2
19 August 2009, ASIC Design Services
The first part of this article appeared in Dataweek 5 August 2009.    Power factor correction for modern motor drives While modern motor drives provide many features and can greatly enhance the efficiency ...

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Synchronous DC-DC converters
19 August 2009, CST Electronics
The new MAX15038 and MAX15039 from Maxim are small, synchronous DC-DC converters that deliver up to 4 A and 6 A of output current, respectively. Operating from a 500 kHz to 2 MHz switching frequency, ...

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