Calculating An R-C Snubber Blog 4/26/2016 4 comments Most power supply designers have encountered ringing in switch-mode converters. This ringing can generate radiated and conducted noise, cause circuit jitter, over-stress components, and create excessive dissipation. This is often a major concern in applications such as audio, processor power, and any design that requires electromagnetic interference (EMI) qualification.
FD-SOI Expands, But Is It Disruptive? News & Analysis 4/14/2016 5 comments The ecosystem for fully-depleted silicon on insulator (FD-SOI) process technology has tipped from a too-late technology to a viable alternative to finFETs for the Internet of Things and automotive markets. To many, the presence of officials from major companies at an industry event signaled a coalescing around the technology.
Sayonara, Japan Semiconductor Inc. News & Analysis 4/12/2016 20 comments The Japanese semiconductor industry’s downfall is undeniable. EE Times went back to Japan and explored what remains of Japanese chip vendors, how Japan Inc. has crumbled and if we grade recent restructuring programs, who comes out on top.
The Tough World of Automotive Power Blog 4/6/2016 Post a comment Automobiles are evolving from being almost exclusively mechanical to becoming self-propelled embedded systems. The amount of computing power inside the car is steadily increasing, with some of the biggest improvements to processor horsepower moving into the dashboard and the infotainment systems it contains.
AMD Climbs Bristol Ridge News & Analysis 4/6/2016 1 comment AMD unveiled its new mobile 7th generation of FX A-Series processors, code named Bristol Ridge. The Bristol Ridge AMD FX processors will be featured in a new notebook design by HP and offer improved multitasking performance, ultra-HD video streaming and all day battery life.
Layouts for Buck, Boost, and SEPIC Power Stages Blog 3/23/2016 1 comment A correct printed circuit board (PCB) layout is one of the most important aspects to having a successful power supply design. Non-isolated power stages are the basic building blocks of power systems. Understanding where the currents are flowing and how the high-frequency loops are constructed is the most important step.
Port Problems: Data and Power Blog 3/22/2016 2 comments Engineers try to make maximum use of available resources and extend them to new uses. This true of data links such as USB and Ethernet: both were originally conceived as primarily for data, and their potential power-supply roles were secondary, if considered at all. But times change and needs evolve, and the yes data/no power thinking has turned as well.
Graphene Goes Ultra-Thin, Absorbent News & Analysis 3/3/2016 Post a comment Researchers at the University of Surrey in the U.K. have developed nanometer-thin graphene sheets that can better absorb light and head. Traditionally a poor absorber of light, the sheets could power smart wallpaper or other applications in the Internet of Things.
NXP Processor Powers IoT, Networks News & Analysis 2/22/2016 Post a comment NXP Semiconductors announced a new low power processor based on Freescale technology that is the size of a microcontroller. With 1 Watt typical power in a 9.6mm x 9.6mm package, the 64-bit QorIQ LS1012A processor may be the smallest and lowest power embedded processor in the market.
Samsung Taps Q'Comm in S7 News & Analysis 2/21/2016 Post a comment Samsung announced the next generation of its flagship Galaxy smartphones at Mobile World Congress in Barcelona. The Galaxy S7 and S7 Edge offer small updates to the S6 line, including bigger screens, larger batteries and a Qualcomm processor.
Mars and Other Challenges Slideshow 2/19/2016 Post a comment NASA's Ames center director talked about the challenges getting to Mars at a Fujitsu Labs event that showcased its work on everything from Bluetooth and RFID tags to a self-driving wheelchair.
Safe Home Energy Storage EET Videos 2/19/2016 Post a comment Homeowners may soon be able to store the energy generated from solar arrays. An Avago application engineer explains about component options.
Qualcomm Unveils Wearable SoC News & Analysis 2/11/2016 Post a comment Qualcomm announced a thinner and lower-power family of SoCs, Snapdragon Wear 2100, targeted at the wearable market. The company had previously pushed its mobile chips, such as the Snapdragon 400, into the wearable segment. This represents the first time Q'comm has created a wearable-specific platform.
Battery Research Claims 10x Gain News & Analysis 2/8/2016 Post a comment A Stanford-SLAC team wrapped silicon lithium-ion anode particles in a custom-fit cage made of graphene to alleviate battery issues that sap their performance.
19 Views of ISSCC Slideshow 2/5/2016 3 comments Chips for smart cars, fast wired and wireless links, cool cameras and more appeared at at the International Solid State Circuits Conference.
Analog’s Super Bowl by the Bay Blog 2/4/2016 8 comments Analog had its own Super Bowl of sorts with ISSCC in San Francisco and an annual gathering of tech gurus in the South Bay. Veteran commentator Steve Ohr gives us the play-by-play.
Battery Innovations Power Electric Bike News & Analysis 2/3/2016 3 comments The coolest looking electric bicycle is powered by innovative battery technology developed inside a San Francisco garage. Occasionally called “the Tesla of electric bicycles,” Bolt Motorbikes uses a Lithium Iron Phosphate battery with more proprietary features than the electric vehicle company.
Developing The Perfect IoT Battery News & Analysis 1/27/2016 Post a comment The ideal battery for IoT applications would favor energy density over power density, while minimizing battery self-discharge. An excellent battery technology for such applications is lithium thionyl chloride.
Create a Cardboard Energy Harvester News & Analysis 1/26/2016 26 comments École Polytechnique Fédérale de Lausanne, Switzerland has invented a cardboard energy harvester suitable for wireless push-button switches and other similar applications.
Multiphase Power Supplies: Not Just For High Current Blog 1/22/2016 Post a comment Power supplies with multiple phases have been traditionally used in applications such as servers, desktop personal computers and laptop computers. These systems require very high current, low-voltage supplies to power core processors. The currents in these applications can be in the hundreds of amperes. In recent years, designers of high-end audio systems have started to take advantage of the multiphase approach as well.
Over-The-Air Charging Is The Future News & Analysis 1/21/2016 9 comments The future of wireless charging doesn’t lie in current coil-based systems, which aren't "really revolutionary." Further, standardization won’t drive wireless charging adoption among consumers.
Startup Raises Funds for Battery-Less IoT News & Analysis 12/28/2015 Post a comment PsiKick Inc. (Charlottesville, Virginia), a semiconductor startup formed to work on sub-threshold voltage operation wireless circuits, has raised $16.5 million in Series B financing led by Osage University Partners and joined by existing investors.
Dual-Loop Capacitor Energy Storage Circuit Powers Pulse Loads Blog 12/7/2015 1 comment Multiple applications benefit from the use of high-voltage capacitive energy-storage to provide power during a loss of input voltage or an unexpected shutdown. These applications include telecom and servers, as well as power supply to repetitive high-power pulse loads, such as a camera flash or a radio transmitter.
RF Charger Taps Tiny Antenna News & Analysis 12/4/2015 9 comments The Cota wireless charging technology from Cairo-based Si-Ware Systems and Ossia Inc. can charge up to eight devices simultaneously at a distance of 30 feet using 2.4 GHz multi-path radio frequency.
Energy Harvesting For High Power News & Analysis 12/1/2015 Post a comment It’s taking a while to sow the seeds for energy harvesting. While much industry focus may be on powering the Internet of Things, the future may be bigger for energy harvesting.
Military Targets Wearables, Bioelectrics News & Analysis 11/20/2015 1 comment Members of the Armed Forces may be the toughest consumers of all, especially when it comes to wearables. The demand for precision technology that isn’t clunky and has a long battery life far exceeds that of the traditional wearable market, and has defined DARPA investment in wearables.
Parrot Unveils Bebop 2 Drone News & Analysis 11/17/2015 1 comment French drone company Parrot unveiled its next-generation consumer drone, Bebop 2. The 500 gram, four propeller device is designed to take photos and video with 25 minutes of fly time.
What are the engineering and design challenges in creating successful IoT devices? These devices are usually small, resource-constrained electronics designed to sense, collect, send, and/or interpret data. Some of the devices need to be smart enough to act upon data in real time, 24/7. Are the design challenges the same as with embedded systems, but with a little developer- and IT-skills added in? What do engineers need to know? Rick Merritt talks with two experts about the tools and best options for designing IoT devices in 2016. Specifically the guests will discuss sensors, security, and lessons from IoT deployments.