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posted in July 2014
Is Tesla's Gigafactory a Gigablunder for Panasonic?
News & Analysis  
7/31/2014   27 comments
Panasonic signed a deal with Tesla on a large-scale battery plant, known as Gigafactory. The question inside and outside the Japanese company is this: how big an albatross might the Gigafactory become for Panasonic.
Power Week: Google's $1M Power Inverter Challenge – How Small Is Possible?
News & Analysis  
7/31/2014   6 comments
This week, Google, along with the IEEE, is offering a $1 million prize to anyone who can build a kilowatt-scale power inverter roughly the size of a laptop. A full list of technical requirements is available.
GM's Powermat Deal Falls Short
Blog  
7/29/2014   6 comments
General Motors will include multimode wireless charging in its 2015 Cadillacs and several other models. Adding standard wireless charging (to a luxury vehicle) is a step in the right direction, but an inductive-based system may not be as forward thinking as GM would hope.
IoT Spec Taps Internet Protocol
News & Analysis  
7/29/2014   1 comment
The IPSO Alliance will release a reference architecture for an IoT software stack based on the Internet Protocol, along with a list of smart objects for functions such as lighting control.
Power Tip 73: Synchronizing Makes for Well-Behaved Power Supplies
Power Tips  
7/28/2014   1 comment
Synchronizing your power system offers a number of benefits, including reduced filtering costs and lower EMI.
Freescale, with Solid Q2 Growth, Milks Auto IC Boom
News & Analysis  
7/25/2014   3 comments
Revenues of Freescale’s five key product groups grew across the board by double digits during the first half of 2014. Freescale’s CEO said, “We are growing our business at twice the speed of the market.”
Power Week: Thermoelectric Energy Harvesting's Bright Future
News & Analysis  
7/24/2014   9 comments
This week, the future of sub-watt thermoelectric energy harvesting as a battery replacement in various markets -- including infrastructure, transportation and consumer -- is looking promising.
Energy Harvesting Chip Demonstrated
News & Analysis  
7/24/2014   8 comments
Imec and Omron have collaborated on a tiny 5x6 cm energy harvester for sensors in hard-to-reach locations.
Smartwatches Suck, Says Pebble Backer
News & Analysis  
7/23/2014   30 comments
There are only two significant platforms in the smartwatch arena and neither are up to snuff, according to Pebble’s Myriam Joire. The chief project evangelist discussed the past, present, and future of smartwatches at Wearable Tech Expo.
Power Week: Solar Roadways – Sci-Fi or Future Reality?
News & Analysis  
7/17/2014   30 comments
This week, the concept of roadways paved with solar panels recently received a boost after a crowdfunding campaign in support of one such project raised more than double its $1 million goal.
Tiny GPU Targets IoT, Android Wear
News & Analysis  
7/16/2014   4 comments
Imagination Technologies announced a new Android-compatible graphics core for wearables and the Internet of Things. The PowerVR Series5XE GX5300 core is 0.55mm2 - what Imagination dubs the smallest chip in the industry - and designed for low-cost, area constrained applications.
Another Tool in the Box to Deliver Better Energy Efficiency
Blog  
7/16/2014   1 comment
An increasingly interesting approach now evolving in the industry is the use of adaptive voltage scaling (AVS), which is a powerful technique to optimize supply voltages and minimize energy consumption in modern high-performance microprocessors.
Power Week: TSA – Say No to Powerless Devices
News & Analysis  
7/10/2014   8 comments
This week, the Transportation Security Administration announced a controversial new rule banning powerless electronic devices aboard flights to the US; and a wireless network-on-a-chip technology promises reduced energy consumption at datacenters.
Inductive Charging Takes Shape at BMW & Daimler
News & Analysis  
7/9/2014   11 comments
BMW plans to launch series production for inductive charging schemes for electric vehicles. The project is conducted along with competitor Daimler. Each company plans to provide a uniform charging technology for the garage at home.
Slideshow: Inside Google's Modular Phone
Slideshow  
7/9/2014   5 comments
A top Google tech exec gave a deep dive into the challenges -- and promises -- behind the company's Ara modular phone initiative.
Power Week: $80 Billion Wasted on Power by Connected Devices
News & Analysis  
7/3/2014   10 comments
This week, a report blames inefficient technology in networked electronic devices for wasting $80 billion in energy costs worldwide in 2013. Also, Agilent introduces the first power device capacitance analyzer that automatically characterizes junction capacitances using real operating voltages.
Power Tip 72: Select the Right Rectifiers for Multiple Output Flybacks
Power Tips  
7/2/2014   Post a comment
The output rectifiers influence cross regulation over load and temperature, efficiency, and transformer design, so their choice is an important design aspect.


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Post a comment
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Book Review: Controlling Radiated Emissions by Design
Martin Rowe
1 Comment
Controlling Radiated Emissions by Design, Third Edition, by Michel Mardiguian. Contributions by Donald L. Sweeney and Roger Swanberg. List price: $89.99 (e-book), $119 (hardcover).