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February 27, 2008  |   A Penton Media Publication  |   Volume 6 Number 7  
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Integrated, Protected Class D Audio Chipset for High Performance Amplifiers Featuring the new IRS2092 integrated audio driver IC and full complement of digital audio MOSFETs, IR¹s flexible chipset can scale to applications from 50-500W by simply replacing MOSFETs. The audio IC integrates four essential functions for Class D design implementation: error amplifier, PWM comparator, gate driver, and protection circuitry.

www.irf.com/whats-new/nr071002.html



Table Of Contents
Speaker Explores Impact of Hybrid Vehicles on Power Electronics
Text Presents Theory and Practical Designs for Switch Mode Power Supplies
PSMA Reprints Classic Magnetics Text
Supplier Achieves JANS Certification For Rectifiers and TVSs
Patent Recognizes Architecture for Driving High-Brightness LEDs
CFL Prototype Illuminates in Less Than a Second
Automotive Relay Saves Space
System Managers Feature Nonvolatile Fault Registers
Current Transducer Offers Current Output
Development Kit Eases Sensorless Motor Control
Controllers Are Optimized for Montevina CPU
Events
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Keystones Subminiature Fuse Holders

These 8.5 mm (dia.) fuse holders for quick, easy changes on dense PCB's. Unique barrier protects leads from arcing. Thru-hole mount for stable PCB positioning. Low contact tension springs add stability. Bases made of sturdy UL 94-V-O thermoplastic, plus gold plated BeCu springs & Tin-Plated Brass pins. Two (2) "sturdy mount" designs, a low profile type & a "space-saver" which permits components placement under the PCB holder.
Click kec@keyelco.com or call (800) 221-5510 or (718) 956-9800. www.keyelco.com



Top Story

Speaker Explores Impact of Hybrid Vehicles on Power Electronics
By David Morrison, Editor-in-Chief, Power Electronics Technology
 At the Applied Power Electronics Conference in Austin, Steven Schulz, technical specialist for the General Motors Powertrain Division, discussed how the growth in hybrid electric vehicles is creating demand for power electronics.


Industry News

Text Presents Theory and Practical Designs for Switch Mode Power Supplies
Christophe Basso's second book: "Switch Mode Power Supplies: SPICE Simulations and Practical Designs" offers a theoretical study of power conversion in both the dc-dc and ac-dc fields via a systematic equation-based approach.

PSMA Reprints Classic Magnetics Text
The Power Sources Manufacturers Association (PSMA) has announced the availability of a reprint of the classic book "Applications Of Magnetism" written by the late J. K. Watson and originally published by John Wiley and Sons in 1980.

Supplier Achieves JANS Certification For Rectifiers and TVSs
The Defense Supply Center Columbus (DSCC) has granted JANS certification for Semtech's Power Discretes and Assembly (PDA) Group facility located in Reynosa, Mexico.

Patent Recognizes Architecture for Driving High-Brightness LEDs
Catalyst Semiconductor has received a patent for a stepdown switching regulator circuit architecture applicable for driving high-brightness LEDs.

CFL Prototype Illuminates in Less Than a Second
In recent independent testing, a compact fluorescent lamp (CFL) prototype bulb powered by PureSpectrum's ballast technology reached full illumination in 0.7 seconds.


New Products and Services

Automotive Relay Saves Space
Fujitsu Components has released what it describes as the market's smallest 40-A, high-temperature-grade automotive printed-circuit-board relay.

System Managers Feature Nonvolatile Fault Registers
Maxim Integrated Products' MAX16046-MAX16049 are 12-/8-channel, EEPROM-configurable, voltage sequencers/monitors/marginers that use nonvolatile fault registers to store system voltage and fault information upon a critical system failure.

Current Transducer Offers Current Output
Additions to the LEM's LTS family of +5-V current transducers, the LTSP current transducer measures positive and negative ac, dc and pulse currents on pc boards and provides a current output instead of the voltage output provided by the other units in the family.

Development Kit Eases Sensorless Motor Control
STMicroelectronics has announced a complete three-phase motor-control development kit (the STM3210B-MCKIT) based on its STM32 Flash microcontroller, which provides all the necessary hardware and firmware to enable users to evaluate this 32-bit solution.

Controllers Are Optimized for Montevina CPU
Intersil's ISL6266A chip is a two-phase core controller designed to improve the efficiency and performance of systems based on Intel's Montevina platform.


Upcoming Events

Events
March 3-4
13th Annual International-IC China Conference & Exhibition,
Shenzhen, China;
www.english.china.iicexpo.com

April 17 and 18, 2008
AEi Systems’ WCCA/Worst Case Analysis Training Workshops
Los Angeles, California
AEi Systems’ team of power electronics experts will present a new, specialized version of its two-day intensive course that focuses on the fundamentals and methodology of Worst Case Circuit Analysis. WCCA is used to improve reliability and assure that the product performance meets specifications throughout its entire life. For course descriptions, registration or more information, call 310-216-1144 or visit www.AENG.com/wccaclass.asp


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