Power Electronics / Power Management


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New power module has power loss reduction and lower noise
13 July 2005
In addition to needs for high performance, compactness, and power-loss reduction in motor-control devices for industrial equipment such as general-purpose inverters and AC servos, recent years have seen ...

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New high-energy density battery type extremely safe
13 July 2005
EVE Battery specialises in the research and manufacture of lithium thionyl chloride (Li/SOCl2) and lithium manganese dioxide (Li/MnO2) batteries. Lithium thionyl chloride batteries exhibit a degree ...

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Dual-channel temperature monitor and fan controller
29 June 2005, CST Electronics, Electrocomp
The MAX6615/6 are 1°C accurate, dual-channel temperature monitor and fan controller devices from Maxim. Each new monitor/controller controls the speed of two cooling fans based on the temperatures either ...

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Fast 700 mA inductorless white LED driver
15 June 2005, Communica
The SP6685 is a breakthrough 1x/2x current-regulated charge pump IC from Sipex that can deliver 700 mA. The device, which comes in a 10-pin 3 x 3 mm DFN package, is an ideal solution for camera flash ...

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POLA compatible SIP power modules
15 June 2005
Two new families of POLA (point-of-load alliance) compatible, non-isolated, plug-in power modules are being offered by Texas Instruments. Available in single in-line pin (SIP) packages, the flexible 8 ...

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Integrated 'building block' power converter delivers 15 A
15 June 2005
International Rectifier has introduced a fully-optimised, full-function 15 A single output synchronous buck converter device that it says achieves over 90% efficiency at full load. The iPOWIR iP1203 is ...

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Compact configurable power supplies fully-featured
15 June 2005, Vepac Electronics
XP Power has released its next generation of configurable power supplies that enables the company to offer an infinite choice of customised power solutions from 400 W to 2200 W. The fleXPower family ...

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Energy efficient dual Schottky diodes
1 June 2005, MB Silicon Systems
Central Semiconductor's CMLSH05-4DO is a dual, low VF Schottky diode device, packaged in a PICOmini SOT-563 surface mount case. The SOT-563 case uses 55% less board space than two individual SOD-523 ...

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Uninterruptible power supplies gain importance in industrial applications
1 June 2005, Phoenix Contact
An inferior power grid quality along with the growing use of sensitive electronics has led to increased downtimes. There is a competitive advantage to be had where the production process runs smoothly ...

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Single-wire digital output temperature sensor in micro package
1 June 2005
Texas Instruments' TMP141 is a 10-bit resolution digital output temperature sensor with single-wire SensorPath interface protocol. The TMP141 device, from the company's Burr-Brown product line, can measure ...

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Magnetic cores for switching power supplies
1 June 2005
The advantages of switching power supplies (SPS) are well documented. Various circuits used in these units have also been sufficiently noted in literature. Magnetic cores play an important role in SPS ...

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Cosel enters noise filter market
1 June 2005, Sivan Electronic Supplies
Power supply maker Cosel has entered the noise filter business with the introduction of five types of noise filters. Currently, as industrial equipment has been made lighter and smaller, with lower profiles ...

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High side current monitor for accurate current measurement
1 June 2005
The IXI848 high side current monitor, part of a future family of signal interface products from Ixys, is an integrated circuit incorporating a precision amplifier with adjustable gain and level shift ...

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Integrated modules optimise space and EMI
1 June 2005
In an effort to improve vision systems in helicopters, designers are replacing bulky cathode-ray tube (CRT) monitors with much thinner and space-efficient liquid crystal displays (LCDs). For new applications, ...

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UPSs for worldwide application
1 June 2005, Phoenix Contact
The Quint Buffer and Quint DC-UPS uninterruptible power supplies from Phoenix Contact ensure continuous operation of all 24 V devices in electrical installations during power interruptions. This prevents ...

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Compact 3 A buck regulator is 91% efficient
1 June 2005, Communica
Sipex has added a new device to its PowerBlox family of high current, high voltage, ultra-miniature DC/DC buck regulators. The SP7653 is a 3 A, 1,3 MHz buck regulator suited for compact solution sizes ...

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Multichip power modules for automotive electric systems
1 June 2005
In the last five years, the demand for power semiconductors for automotive applications has increased significantly. In many cases, discrete devices are the common choice to regulate and control the electric ...

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New low voltage output ripple attenuator
1 June 2005
Vicor subsidiary, Picor, has introduced the QPO-2 System-in-a-Package (SiP), an output ripple attenuator that uses active filtering to reduce supply output ripple and noise (PARD, periodic and random ...

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New trench-type IGBT modules with low power drive
1 June 2005
Mitsubishi Electric's NF series features IGBT modules that use CSTBTs. CSTBTs (carrier stored trench-gate bipolar transistor), which surpass the theoretical barriers for IGBT performance, have the most ...

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New 6,9 kA power thyristor
1 June 2005
Ixys has added to its range of large area medium voltage thyristors. Manufactured on a single 100 mm diameter silicon wafer, the 5,2 kV device incorporates specially-designed distributed gate architecture ...

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