Power Electronics / Power Management


Latest Articles

All things battery management
30 May 2007
The ability to consume energy in portable products is growing faster than the ability to supply it. Also, electrochemical devices are inherently dangerous. Furthermore, all portable and rechargeable ...

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The SAFeFET approach for cordless power drills
30 May 2007
Universal, PMDC and brush DC motors are widely used in small household appliances (blenders, food processors, shavers etc) and in handheld power tools (drills, table saws and planers etc). For unidirectional ...

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125 W isolated power supplies
30 May 2007, Current Automation
Mean Well added two more new 125 W isolated dual output models into its high reliability miniature product family G3 series. The RID-125-1205 and RID-125-2405 models are AC/DC switching power supplies ...

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375 Vin DC-DC converter module line gets extended
30 May 2007
Vicor has added eight mid-power Mini DC-DC converters to its 375 V d.c. input family: a 100 W model at 3,3 Vout; 150 W model at 5 Vout; and 200 W models at 12, 15, 24, 28, 36, and 48 Vout. These half-brick ...

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Schottky rectifiers and transient voltage supressors in space-saving packages
30 May 2007, EBV Electrolink
Vishay Intertechnology’s MicroSMP miniature package type for Schottky rectifiers and transient voltage suppressors (TVS) provides high current power density and low thermal resistance for space savings ...

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High power phase control thyristors have improved energy and weight efficiency in power systems
30 May 2007
Westcode Semiconductors, an IXYS subsidiary, has launched a new 600 V thyristor range. These thyristors are encapsulated in Westcode's innovative low profile Wespack housings. Four current ratings are ...

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Triple output DC/DC converter
30 May 2007, Vepac Electronics
The Electronics Group of Crane Aerospace & Electronics has released a new Interpoint DC/DC converter that can power both digital and analog systems with one converter. The MWR Series of triple output ...

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Linear power MOSFETs designed tougher
30 May 2007
IXYS has released a family of 500 V to 1200 V linear power MOSFETs, incorporating a proprietary cell-design that significantly improves ruggedness and power dissipation capabilities. These MOSFETs provide ...

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Isolated 384 V to 12 V converter for HV distribution systems
30 May 2007
Vicor’s B384F120T30 is a new high-voltage V·I Chip bus converter with a power density of greater than 61 W/cm³. This BCM module is a high-efficiency (>95%), sine amplitude converter (SAC) operating ...

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SMD-fuse-links for power supply protection
30 May 2007, Actum
The number of devices now being produced in SMT format has risen substantially. On the transformers' mains side however, some elements are still to be found that have not changed to the new SMT mounting ...

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Plug-in modular UPS is designed to meet any requirement
16 May 2007, Rittal
Rittal has launched its new 3-phase UPS Power Modular Concept 200 with 96% efficiency on the market. The modular, scalable system can be extended during live operation - without having to switch to bypass ...

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Indoor telecommunications battery rack
16 May 2007
NorthStar Battery Company's NSR 0001 indoor telecommunications battery rack comes pre-wired and includes a 100 A circuit breaker per 48 V string. Weighing in at only 159 kg and having pre-drilled and ...

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QPL-certified Schottkys for high-reliability power systems
16 May 2007
International Rectifier has introduced a series of high-reliability Schottky rectifiers in accordance to the Defense Supply Center Columbus (DSCC) Qualified Products List (QPL). They target high-reliability ...

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ZigBee wireless platform enables 20-year battery life
16 May 2007, Altron Arrow, EBV Electrolink
Freescale Semiconductor has introduced a single-chip platform solution based on the ZigBee specification that is designed to deliver the industry's lowest power consumption and highest performance. The ...

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Li-Ion/Li-Polymer chargers in SOT-23 packages
2 May 2007, Altron Arrow, Electrocomp, Tempe Technologies
Microchip's new MCP7381X Li-Ion/Li-Polymer charge-management controllers, offering programmable charge currents up to 500 mA, feature integrated current sense, integrated pass transistor, thermal regulation ...

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Boost converter simplifies USB host operations
2 May 2007
As a growing number of handheld devices operating off a single-cell lithium-ion battery add higher levels of processing power and begin to serve as central computing platforms, users are demanding connectivity ...

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High efficiency dual output synchronous buck converter
2 May 2007
Intersil’s ISL65426 is a high efficiency dual output monolithic synchronous buck converter operating over an input voltage range of 2,375 V to 5,5 V. This single chip power solution provides two output ...

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PWM controller increases efficiency and saves space
2 May 2007
Intersil's ISL6535 is a high performance synchronous controller for demanding DC-DC converter applications. It provides overcurrent fault protection and is designed to safely startup into pre-biased output ...

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On-board DC-DC converters useful for distributed power architectures
2 May 2007, Current Automation
Mean Well's NSD-10 (10 W) and NSD-15 (15 W) series on-board type DC-DC converter expands the company's DC-DC product lines in the low wattage range for the emerging trend of distributed power application. Replacing ...

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High voltage EL driver eliminates external inductor
2 May 2007, Communica
Supertex' HV853, a new high voltage, low noise, inductorless, electroluminescent (EL) lamp driver IC requires no external components when the external clock frequency is used for the lamp frequency. The ...

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