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posted in August 2011
My own private Frankenstein "monster"?
8/31/2011   22 comments
A power fail/restore cycle at home reminds us of the importance of random power-cycle testing
China's solar rise seen in Solyndra's fall
News & Analysis  
8/31/2011   82 comments
High profile solar panel startup Solyndra will file for bankruptcy as China's producers of crystalline solar cells continue to dominate the market.
Predicting thermal runaway – Part 1
Design How-To  
8/31/2011   3 comments
Preventing thermal runaway requires balancing power dissipated by the device with power dissipated by the system.
Fujitsu Semiconductor Europe enhances F2MC-8FX family of high-performance 8-bit microcontrollers with embedded flash memory.
Product News  
8/30/2011   Post a comment
Fujitsu's new F2MC-8FX 8-bit microcontrollers integrate analog comparators and an op-amp for energy-saving efficiency.
UK photovoltaic firm attracts Fister as CEO
News & Analysis  
8/30/2011   5 comments
Mike Fister, a former manager of processor development at Intel and CEO at EDA software vendor Cadence, has been appointed CEO of privately-held Enecsys Ltd. (Cambridge, England).
A&O power chip firm to buy Oregon fab
News & Analysis  
8/29/2011   4 comments
Alpha and Omega Semiconductor Ltd., a power semiconductor IC vendor with strong connections in China, has said it intends to buy a 200-mm wafer fab owned by Integrated Device Technology Inc. and located in Hillsboro, Oregon.
Parallel IGBTs push power with fewer thermal problems
Design How-To  
8/25/2011   Post a comment
Paralleling IGBTs and diodes within one power module provides higher currents. Such use of several small chips allows better heat dissipation.
New GaN FET offers high frequency switching with enhanced performance
Product News  
8/23/2011   Post a comment
The EPC2012 FET is a 1.6 mm 2200 VDS device with a maximum RDS(ON) of 100 milliohms with 5 V applied to the gate.
Understanding Smart Meters to Design Intelligent, Secure Systems
Design How-To  
8/22/2011   3 comments
Keeping data secure is one of the major challenges facing both the utility companies and the e-meter vendors.
Implementing advanced control strategies for DC/DC converters using MCUs (Part 1 of 2)
Design How-To  
8/19/2011   1 comment
Sub: Understand how a microcontroller can provide superior performance for phase-shifted, full-bridge DC/DC converters
Balancing safety and cost-effectiveness in solar-power inverter installations
Design How-To  
8/19/2011   1 comment
Understand some of the issues related to current- and voltage-sensing for photovoltaic (PV) inverter installations.
Miniature AEC Q200-qualified AC varistor features high ESD
Product News  
8/18/2011   Post a comment
AVX claims smallest dual-element multilayer varistor with exceptionally high ESD value.
Power Tip 38: Simple latch circuit protects power supplies
Power Tips  
8/12/2011   3 comments
Understand how to design and configure a latch which has this use, and many others
How to structure a battery management system
Design How-To  
8/12/2011   Post a comment
Design a management system for batteries, and consider the boundary conditions of vehicle requirements
Nanosys grabs DoE grant for battery development
News & Analysis  
8/11/2011   2 comments
A battery materials developer earns an Energy Department grants that targets next-gen EVs.
EMI scans verify chip design and accelerate time-to-market
Design How-To  
8/11/2011   3 comments
Very-near-field electromagnetic scanning technology displays spatial and spectral emissions profiles and avoids issues in later, more costly testing at the module, system, or complete vehicle level.
TI opens power management reference library
Product News  
8/11/2011   1 comment
Texas Instruments Inc. has announced the introduction of its PowerLab library, a collection of power management reference designs.
High-capacity inverter/charger offers long term UPS capability
Product News  
8/10/2011   Post a comment
UNIPOWER's INVO series features a 5 kVA inverter with a built-in charger to give customers the ability to design their own long-run UPS by specifying the battery capacity to be used.
Battery developer Leyden Energy recharges with $20M
News & Analysis  
8/9/2011   3 comments
Leyden Energy said it has attracted $20 million in Series B funding to boost battery production capacity.
IMS: Wireless charging market is on 85% CAGR
8/9/2011   5 comments
The global market for wireless power components and accessories was $100 million in 2010 but will grow to be worth $4.5 billion, according to market research IMS Research Ltd. That is equivalent to a compound annual growth rate of 85.5 percent.
Energy harvesting could reach a USD4.4 billion market in 2021
8/7/2011   1 comment
In 2011, IDTechEx research finds that the amount of money spent on energy harvesters will be USD0.7Bn, with several hundred developers involved throughout the value chain.
Allegro intros auto-grade MOSFET pre-driver IC for brushless DC motor control
Product News  
8/5/2011   Post a comment
Applications include electronic power steering systems, engine cooling fans, transmission actuators, and hydraulic pumps.
Battery anode startup raises $65 million
News & Analysis  
8/4/2011   6 comments
Nexeon Ltd. (Abingdon, England), a company formed in 2005 to commercialize battery research conducted at Imperial College in London, has received an investment of Ł40 million (about $65 million) to help it pioneer the use of silicon anodes in place of carbon anodes in lithium-ion rechargeable batteries.
Driving Impressions: Chevy Volt
Design How-To  
8/2/2011   20 comments
Attention to technical detail is evident in many aspects of this range-enhanced electric car design.
Fleet data loggers tackle real-world testing
Design How-To  
8/2/2011   Post a comment
Notebook-based solutions cannot handle automotive temperature extremes, nor boot up fast enough.
Optimizing Power Line Communication for Distance, Lowest Packet Error Rates, Cost and Reliability
Design How-To  
8/1/2011   1 comment
Recent advancements in technology, increasing growth in machine-to-machine connectivity, and the need for better resource management, are giving narrowband power line communications the attention it deserves as the most universally-available network medium.
Calculating power loss in switching MOSFETs
Design How-To  
8/1/2011   8 comments
Understand the subtleties and realities of this critical performance parameter

As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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