ED_ED UPDATE: POWER AND ANALOG_ Penton Media September 14, 2009 If you want to view this on the web go to: http://enews.penton.com/enews/electronicdesign/v/866 POWER DESIGN --LED Illumination Provides Constant (Current) Opportunities By Jeff Shepard, Darnell Group What do ac-dc power supplies, lighting ballasts, and driver ICs have in common? They all represent immediate growth opportunities for new designs based on current regulation, specifically for various applications in LED lighting. If you look toward signs, billboards, and specialty applications for color lighting, you'll see growing markets for LEDs. To view the full article go to: http://electronicdesign.com/Articles/Index.cfm?AD=1&ArticleID=21737&bypass=1 ---------------------------------------- ADVERTISEMENT Intersil Chopper Amp with Industry's Smallest Package and Ultra-Low Power Consumption (http://www.intersil.com/precisionanalog/) The new Intersil ISL28133 precision chopper amp provides system designers with an ultra-low power, error-free gain solution that's 50% smaller than the nearest competitor. Get the datasheet, key product information and free samples here. ---------------------------------------- IFD OF THE WEEK --Create A Simple Crowbar To Protect Prototypes From Supply Overvoltage By Sanjay R. Chendvankar, Tata Institute of Fundamental Research Designers often test prototypes with a variable-voltage bench power supply. If they leave the bench for any length of time, someone may borrow the supply or otherwise change the voltage to a level that could damage components in the prototype. This problem can be prevented by using a variable-voltage "crowbar" circuit connected across the power-supply terminals along with the prototype under test. To view the full article go to: http://electronicdesign.com/Articles/Index.cfm?AD=1&ArticleID=21679&bypass=1 ---------------------------------------- ADVERTISEMENT All of the Analog Black Magic with Digital Power Simplicity (http://www.intersil.com/zilkerlabs/) Intersil's Zilker Labs delivers a one-chip solution that delivers all the power efficiency, design flexibility, component reduction and simplicity you've been expecting from digital power. Get datasheets and key product information here. (http://www.intersil.com/zilkerlabs/) ---------------------------------------- Ideas for Design Wanted! Send us your Ideas for Design! We'll pay you $150 for every IFD that we publish. In addition, this year's top design as selected by our readers will earn an additional $500, with two runners up each receiving $250. Submit your IFDs to dbs@penton.com (mailto:dbs@penton.com). For the full guidelines, go to http://electronicdesign.com/MediaKit/Index.cfm?Action=Guidelines (http://electronicdesign.com/MediaKit/Index.cfm?Action=Guidelines). Electronic Design Pop Quiz Take the "Analoger" Chopper Challenge for your chance to win a free t-shirt and ISL28133 chopper amp samples. Sponsored by Intersil. Test your knowledge now! (http://popquiz.electronicdesign.com/intersil_aug09/) BASICS OF DESIGN --Designing With Chopper-Stabilized Operational Amplifiers By Don Tuite, Analog & Power Editor Chopper-stabilized operational amplifiers have been improving in performance and cost advantages, though designers are not always familiar with their benefits. In many designs, these devices can overcome the limitations of offset voltage and 1/f noise found in conventional op amps and be used in applications such as industrial control, medical, and automotive. In this Basics of Design sponsored by Intersil, Electronic Design editor Don Tuite covers the history of choppers and then delves into the details, explaining why these devices make a great addition to a designer's toolbox. To view the full article go to: http://www.accelacomm.com/jaw/enews/9/50609477/ NEW PRODUCTS --Current-Sense Resistors Handle Overloads And High Temperatures High overload capability and a wide operating-temperature range mark the Bourns PWR4413 series of through-hole current-sense resistors, which feature 0.8-mm and 1.00-mm terminations and can handle up to 30 A of continuous current and pulses up to 78 A. To view the full article go to: http://www.eepn.com/locator/products/ArticleID/38510/38510.html --Anti-Fuse Element Guards Against LED Open Circuits Developed to control open defects in LEDs, Murata Electronics North America's anti-fuse device prevents the lowering of power-supply voltage, typically observed in Zener diodes, which results in higher energy efficiency. Other key benefits include a simple and economical circuit design, the reduction of color unevenness, and small size. To view the full article go to: http://www.eepn.com/locator/products/ArticleID/38513/38513.html --High-Voltage Bipolar DACs Drift Minimally Developed on the company's HPA07 analog CMOS process technology, the 16-bit DAC8734 from Texas Instruments is a four-channel, high-voltage, bipolar digital-to-analog converter (DAC) with up to six times lower drift than competing devices along with the widest operating temperature range and the highest initial accuracy, according to TI. To view the full article go to: http://www.eepn.com/locator/products/ArticleID/38507/38507.html --2-kW DC-DC Converter Accepts Inputs Up To 800 V Able to generate 2 kW of output power, the HVI 2K dc-dc converter from Absopulse Electronics Ltd. accepts a nominal 600-V dc input voltage (450- to 800-V range). This single-output unit delivers 12 V/130 A, 24 V/80 A or 48 V/40 A, with other outputs available on request. To view the full article go to: http://www.eepn.com/locator/products/ArticleID/38509/38509.html ---------------------------------------- Intersil (http://www.Intersil.com) ---------------------------------------- ---------------------------------------- Subscribe To Electronic Design http://electronicdesign.com/Subscribe/ ---------------------------------------- ---------------------------------------- Myths & Realities Of Real-Time Linux Software Systems Brought to you by Versa Logic Corporation Read now! http://www.accelacomm.com/jaw/enewsrail/9/50602460/ Increasing Bandwidth And Connectivity In Small Form Factor, High-Performance Embedded Applications Brought to you by Versa Logic Corporation Read now! http://www.accelacomm.com/jaw/enewsrail/9/50602411/ ---------------------------------------- ---------------------------------------- The Next One Powerful Day! Watch LIVE on Sept 29, 2009. Join us as we investigate even more power topics with editors Don Tuite and Sam Davis, plus key industry speakers! Register now. http://w.on24.com/r.htm?e=162004&s=1&k=D60991F5DEC5B9BB2277ABB2DFFAE830&partnerref=enewsrail Marquee Sponsor: Intersil; Platinum Sponsor: International Rectifier; Session Sponsor: Texas Instruments ---------------------------------------- ---------------------------------------- SolarMagic Power Optimizer Published: September 8, 2009 Watch now: http://engineeringtv.com/blogs/etv/archive/2009/09/08/solarmagic-power-optimizer.aspx ---------------------------------------- MORE ABOUT THIS NEWSLETTER Electronic Design UPDATE e-Newsletter Contacts Editor: Joe Desposito (mailto:joe.desposito@penton.com) Advertising/Sponsorship Opportunities: Bill Baumann (mailto:bill.baumann@penton.com) To unsubscribe click here: http://email.electronicdesign.com/webforms/newsletter/unsub/?email=#email#&lid=#list_id#&mid=#message_id# To change your e-mail address, send an e-mail, indicating your old e-mail address as well as your new one, to: mailto:newsletters@electronicdesign.com. 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