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January 30, 2008  |   A Penton Media Publication  |   Volume 6 Number 5  
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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
Telecom Rectifier Boasts 96% Efficiency
Vendor Receives Orders for Wind Turbine Electrical Systems
Controllers Make Energy Meters More Efficient
Video Series Discusses R-C Snubber Design
Distributor Will Carry DC Motors
Compact Inverter Modules Target Appliance Motors
IGBT Gate Driver Offers Desaturation Detection
MOSFET Achieves a 1.5-mΩ RDS(ON)
40-V Schottky Comes in a Tiny Leadless Package
Analog Switches Offer Enable For Safe Startup
50-W And 100-W Adapters Boast High Efficiency
Events

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Next-Generation Power Management IC Maximizes Energy in Multi-Kilowatt Systems: TI's new UCC28070 is the industry's first single-chip, interleaved power factor correction (PFC) control circuit for multi-kilowatt communications, server and industrial systems. This two-phase, average current-mode controller provides more efficiency, easier design and scales to higher power. ad.doubleclick.net/clk;159467715;22248117;l?http://www.ti.com/pfc



Top Story

Telecom Rectifier Boasts 96% Efficiency
by David Morrison, Editor-in-Chief, Power Electronics Technology
 Eltek Valere's new 2000-W ac-dc rectifier for telecom applications boosts typical efficiency from the 92% available from some existing rectifiers to 96%, cutting rectifier power losses in half.

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Industry News

Vendor Receives Orders for Wind Turbine Electrical Systems
American Superconductor has received more than $3 million in orders for its wind turbine core electrical components and systems.

Controllers Make Energy Meters More Efficient
Incotex Co. Ltd. is leveraging multiple technologies from Texas Instruments in its meter management solutions now being implemented throughout Russia, Kazahstan, the Ukraine and Belorussia.

Video Series Discusses R-C Snubber Design
In his SMPS Technology Newsletter, Jerrold Foutz reports that an instructional video, "R-C Snubbers," which features power design expert Rudy Severns, is available at snubberdesign.com.

Distributor Will Carry DC Motors
Allied Electronics, a subsidiary of Electrocomponents plc, has signed a distribution agreement with AMETEK Technical & Industrial Products to distribute its Pittman brand dc motors.

New Products and Services

Compact Inverter Modules Target Appliance Motors
Allegro MicroSystems SLA6800MP and SMA6800MP series of Inverter Power Modules combine the inverter-power-stage components for controlling three-phase motors into a small-footprint SIP package.

IGBT Gate Driver Offers Desaturation Detection
From Powerex, a hybrid integrated circuit for driving IGBT modules in 690-V class industrial inverters features an overcurrent protection function based on desaturation detection.

MOSFET Achieves a 1.5-mΩ RDS(ON)
From NEC Electronics America, the NP180N04TUG power MOSFET is a 40-V, 180-A rated device that achieves an RDS(ON) of 1.5 mΩ (max.).

40-V Schottky Comes in a Tiny Leadless Package
Central Semiconductor's CFSH-4 is a 40-V, 200-mA Schottky diode offered in an SOD-882L tiny leadless package.

Analog Switches Offer Enable For Safe Startup
Vishay Intertechnology's DG469 and DG470 are high-voltage, single- and dual-supply SPDT analog switches.

50-W And 100-W Adapters Boast High Efficiency
Compliant with the One-Watt Input Energy Star/Blue Angel requirement, two series of external ac-dc power adapters from Emerson Network.

Upcoming Events

Events
February 11-14, 2008
CMSE - Components for Military and Space Electronics Conference and Exhibition
(includes Counterfeit Electronic Components Avoidance Workshop)
San Diego, CA
www.cti-us.com/

Feb. 14-15
2008 Motor, Drive & Automation Systems Conference
Atlanta, GA
www.e-driveonline.com

Feb. 24-28
APEC 2008
Austin, Texas
www.apecconf.org

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


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