Power Electronics / Power Management


Latest Articles

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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10 A buck converter
19 August 2009, Altron Arrow
Texas Instruments has introduced a fully integrated, 10 A synchronous buck converter with integrated FETs that combines wide input, light load efficiency and reduced solution size to enable increased ...

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Inverter UPSs cover 1 to 3 kVA
19 August 2009
PHD Power has acquired the distributorship for the IV range of inverter UPSs. Traditionally, battery backup systems have come in two basic flavours – UPSs and inverters. While UPSs have the advantage ...

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Compact AC-DC power supplies
19 August 2009, MANTECH
Mornsun’s LH series of compact and cost efficient AC-DC power supply modules is available in 5 W, 10 W, 15 W, 20 W and 25 W power ratings, and are suitable for a variety of applications where high performance ...

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Step-down switching regulator
19 August 2009, NuVision Electronics
Monolithic Power Systems’ MP4560 is a high-frequency step-down switching regulator with integrated internal high side high-voltage power MOSFET. It provides 2 A output with current mode control for fast ...

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20 A digital POL converters
19 August 2009
Power-One has announced two new high-efficiency digital point-of-load (POL) converters, the ZY2120 and ZY8120, in its ZY2000 ‘no-bus’ and ZY8000 'bus-programmable' series, respectively. These Z-One digital ...

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H-bridges for motor control circuits
19 August 2009
A new range of four H-bridge MOSFET packages from Diodes Incorporated has been rolled out to simplify DC motor control circuits, by reducing both component count and PCB size in space constrained fan ...

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Tiny lithium-ion battery charger
19 August 2009, Tempe Technologies
The new SC824 from Semtech is a linear, triple mode, single-cell lithium-ion battery charger in a 10-lead 2 x 2 mm MLPD package for handheld devices. The device has 30 V input voltage protection with ...

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12 V power MOSFET
19 August 2009, EBV Electrolink
Vishay has expanded its family of Gen III TrenchFET power MOSFETs down to 12 V with the release of a new N-channel device offering very low on-resistance and on-resistance times gate charge. The SiR494DP ...

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