Power Electronics / Power Management


Latest Articles

Isolated DC-DC converters
9 March 2005, Sivan Electronic Supplies
Cosel's SFS1524 and SFS3024 are isolated DC/DC converters intended for applications in control and computer equipment (input source 24 Vin). These 1,2-15 Vout converters have an extremely small footprint ...

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SCRs in SOT-223 have extended current range
9 March 2005, MB Silicon Systems, Integrated Solutions
Central Semiconductor's new series of SCRs has an extended current range. The company manufactures a 2 A (CS223-2M and CS223-2N) and 4 A (CS223-4M and CS223-4N) device in the SOT-223 package. This compares ...

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Power management IC
23 February 2005
Linear Technology's LTC3456, a complete power management system IC optimised for portable applications that are powered by dual cell alkaline/NiCad/NiMH batteries, USB, or wall adapters. It delivers up ...

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Thermal management gap filler pads
23 February 2005
FerriShield's thermal gap filler pads are high heat transfer media that conform to surface irregularities and adhere to a wide range of shapes and sizes of components; in particular, recessed areas and ...

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PWM controllers enable low standby consumption for SMPS
23 February 2005
ON Semiconductor's NCP1230 and NCP1231 families of PWM controllers are current mode controllers ideal for power supply applications in notebook adapters, off-line battery chargers and consumer electronics ...

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Nemic-Lambda revolutionises high power-density power supplies
23 February 2005, Accutronics
Nemic-Lambda has a long history of supplying high-reliability power supplies to industry. With a product line that typically offers between three to five-year warranties, it is a good choice. And now ...

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Factorised power enhances power system flexibility
23 February 2005
Factorised power architecture (FPA) enhances power system flexibility by separating the three classic converter functions into two modules: pre-regulator module (PRM) and voltage transformation module ...

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Redundancy module for Zone 2 increases system availability
23 February 2005, Phoenix Contact
For use in areas with a Zone 2 explosion risk, Phoenix Contact offers the Quint Diode redundancy module compliant with type 'n' explosion protection as defined by EN 50 021. This means that power supplies ...

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High-performing UPS is compact
23 February 2005
The latest series 9 uninterruptible power system from Meissner, combines style and a small footprint with high performance. Recently introduced to South Africa, the company says the Powerware 9155 has ...

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Power supply units are extra slim
23 February 2005, Phoenix Contact
Two members of the Mini Power product family from Phoenix Contact now expand the performance range of its compact power supply units up to 100 W. Available with widths of 22,5, 45 and 67,5 mm, they have ...

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Solutions for magnetic designs
23 February 2005
Kaschke is celebrating its 50th year in providing 'magnetic solutions' to all walks of industry. Expertise from its magnetic solutions focus has gained trading partners with many leading brands in automotive, ...

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Small inductors for DC-DC converters
23 February 2005
Murata has developed a new wire-wound choke inductor that combines a wide inductance range with a low profile dimension. Maximum profile height is only 0,95 mm, allowing manufacturers of DC-DC converters ...

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Digital temperature sensors displacing thermistors
23 February 2005
IC temperature sensors are quickly replacing thermistors as the preferred method of temperature monitoring for many mainstream applications. Thermistors have long been favoured for their very small form ...

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High-input-voltage linear regulators
23 February 2005, CST Electronics, Electrocomp
Maxim offers small, high-input-voltage linear regulators that supply always-on, keep-alive power to CMOS RAM, realtime clocks (RTC), and microcontrollers in systems with high-voltage batteries. They draw ...

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Spark gaps
23 February 2005, Denver Technical Products
e2v Technologies manufactures glass and metal ceramic spark gaps for voltage surge protection and high energy switching. Typical applications include ignition circuits, crowbar protection, over-voltage ...

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Mosfets tailored for Class D audio power amps
23 February 2005
International Rectifier has introduced the IRF6665 DirectFET mosfet for medium power Class D audio amplifiers. These devices have parameters tuned specifically for improved audio ...

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Open-loop current transducers
23 February 2005, Denver Technical Products
LEM has introduced a new family of current transducers based on ASIC technology that it says is highly cost-effective. Designated, the HAIS, HXS and HTFS family, there is a transducer suitable to measure ...

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PWM controller and driver designed for POL converters
23 February 2005
A new pulse width modulated (PWM) dual synchronous buck controller with driver IC for point-of-load (POL) buck converters is available from International Rectifier. Typical applications include dual phase ...

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Step-up DC/DC controller without transformers is 96% efficient
23 February 2005
The LT3782 is a step-up DC/DC controller with 2-phase operation to deliver high output power using only two inductors, eliminating the need for power and current sense transformers. This device from Linear ...

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Precision voltage references use extremely low power
9 February 2005
Intersil has released the ISL60002 series, which are 1,25 V and 2,5 V additions to its rapidly expanding line of low power precision voltage references. These ICs bring the precision performance standards ...

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