Power Management
Wireless System Paves Way for 'Electroceutical' Medical Devices
Posted in Electronics & Computers, Electronic Components, Power Management, Implants & Prosthetics, Medical, Drug Delivery & Fluid Handling, Patient Monitoring, Communications, Wireless, RF & Microwave Electronics, Semiconductors & ICs, News on Tuesday, 27 May 2014
A wireless system uses the same power as a cell phone to safely transmit energy to chips the size of a grain of rice. The technology paves the way for new "electroceutical" devices to treat illness or alleviate pain.

The central discovery is an engineering breakthrough that creates a new type of wireless power transfer that can safely penetrate deep inside the body.

The technology could spawn a new generation of programmable microimplants – sensors to monitor vital functions deep inside the body; electrostimulators to change neural signals in the brain; and drug delivery systems to apply medicines directly to affected areas.

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Big Ideas for Small Spaces
Posted in Electronics & Computers, Power Management, PCs/Portable Computers, Imaging, Displays/Monitors/HMIs, Software, Computer-Aided Design (CAD), Computer-Aided Engineering (CAE), Computer-Aided Manufacturing (CAM), Energy, Lighting, Test & Measurement, Monitoring, News on Monday, 28 April 2014
Over 24 hours from April 4 to 5, six top French design studios conceived and presented new product concepts for urban environments during the Small Spaces Design Hackathon, presented by Cut&Paste in partnership with Hewlett-Packard. In dense city neighborhoods, homes are small and office space is at a premium, so urban dwellers must be more creative in how they use their space. The design concepts were presented at Cyclone Le Studio as part of ZED, HP’s creative popup space.
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Nanomaterial Extends Lithium-Sulfur Battery Lifespan
Posted in Batteries, Electronics & Computers, Power Management, Materials, Metals, Nanotechnology, News on Friday, 18 April 2014
A new nanomaterial could extend the lifespan of lithium-sulfur batteries, and therefore the driving range of electric vehicles.

Pacific Northwest National Laboratory researchers added the powder to the battery's cathode to capture problematic polysulfides that usually cause lithium-sulfur batteries to fail after a few charges.

Metal organic frameworks — also called MOFs — are crystal-like compounds made of metal clusters connected to organic molecules, or linkers. Together, the clusters and linkers assemble into porous 3-D structures.

During lab tests, a lithium-sulfur battery with PNNL's MOF cathode maintained 89 percent of its initial power capacity after 100 charge-and discharge cycles. Having shown the effectiveness of their MOF cathode, PNNL researchers now plan to further improve the cathode's mixture of materials so it can hold more energy.

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Scientists Demonstrate Electrical Properties of Topological Insulators
Posted in Electronics & Computers, Electronic Components, Board-Level Electronics, Power Management, Semiconductors & ICs, News on Tuesday, 01 April 2014
Scientists at the U.S. Naval Research Laboratory (NRL) have demonstrated for the first time that one can electrically access the remarkable properties predicted for a topological insulator (TI). They used a ferromagnetic metal/tunnel barrier contact as a voltage probe to detect the spin polarization created in the topologically protected surface states when an unpolarized bias current is applied. This accomplishment identifies a successful electrical approach that provides direct access to the TI surface state spin system, significantly advances our fundamental understanding of this new quantum state, and enables utilization of the remarkable properties these materials offer for future technological applications.
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Battery Gas Gauge
Posted in Batteries, Electronic Components, Electronics, Power Management, Manufacturing & Prototyping, Medical, Products, MDB on Wednesday, 01 January 2014
Linear Technology Corpora tion, Milpitas, CA, announces the LTC2943 multicell battery gas gauge, which makes direct measurements of 3.6V to 20V battery stacks. The LTC2943 is a true high voltage gas gauge that measures charge, voltage, current, and temperature to within 1% accuracy. It is best suited for professional power tools and portable medical equipment.
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AE425PJB Series of Power Inductors
Posted in Electronic Components, Power Supplies, Electronics, Power Management, Manufacturing & Prototyping, Medical, Products, MDB on Wednesday, 01 January 2014
Coilcraft CPS, Cary, IL, has released its new AE425PJB Series of low-profile power inductors that are just 1.8mm high with a footprint of 3.9mm square. It features a special suspended core construction, making it ideal for handheld medical device applications. The AE425PJB also features tin-lead (Sn-Pb) termination for the best possible board adhesion.
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Transistor for High-Performance Devices at Low Voltage
Posted in Electronic Components, Power Supplies, Thermal Management, Electronics, Power Management, Implants & Prosthetics, Medical, Patient Monitoring, News, MDB on Tuesday, 17 December 2013
A team of scientists at Penn State, University Park, PA, say that a new type of transistor could make fast, low-power computing devices possible for energy-constrained applications such as implantable medical electronics, smart sensor networks, and ultra-mobile computing. Called a near broken-gap tunnel field effect transistor (TFET), the new device uses the quantum mechanical tunneling of electrons through an ultrathin energy barrier to provide high current at low voltage.
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