Power Electronics / Power Management


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Transistors with low saturation voltage
30 September 2009, MB Silicon Systems
Central Semiconductor has announced the release of the CMBT3904E (NPN) and CMBT3906E (PNP) small signal transistors in the space saving SOT-923 surface mount package. Both devices are 40 V general purpose ...

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Single-output power supplies
30 September 2009, Sivan Electronic Supplies
The SPS-G100-xx series of single-output power supplies from Sunpower features an efficient design resulting in no-load power consumption below 1 W. The units accept input voltages from 88–264 V a.c. and ...

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Power supplies with programmable output voltage
30 September 2009, Current Automation
Mean Well has launched two series of 150 W and 300 W single-output enclosed type power supplies with programmable output voltage function. Using a 1–5,5 V d.c. external control signal, the output voltage ...

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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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