Zero-Crossover Op Amp Enhances Portable Applications
Sep 5, 2007
Texas Instruments’ OPA369 is a low-power zero-crossover op amp featuring a unique single-input-stage architecture that simplifies high-performance designs in battery-powered applications...
Paper Batteries Map Future Portable Applications
Aug 22, 2007
Researchers at Rensselaer Polytechnic Institute have developed an energy storage material that simultaneously performs the functions of both a rechargeable battery and a supercapacitor, yet has the physical properties of a sheet of paper....
Testing Confirms Safety of Li-Phosphate Batteries
Aug 15, 2007
Comparative testing released by Exponent, an engineering and scientific consulting firm, shows that it is “improbable” that Valence Technology’s Li-phosphate batteries will incur the thermal runaway that causes other batteries to burst into flames or explode. ...
Integrated Charging IC Targets Portable Electronics
Aug 8, 2007
ON Semiconductor’s NUS3116 is an integrated charging and power switching circuit for portable electronics that combines the main battery switch, wall charging switch, and USB charging switch elements into a single component....
Silver-Zinc Battery Maker Changes Names
Aug 8, 2007
Zinc Matrix Power has changed the company name to ZPower, Inc. The company has also launched a website in conjunction with the name change, zpowerbattery.com....
Synchronous Buck-Boost Extends Battery Life
Jul 25, 2007
Linear Technology announces the LTC3538, a synchronous buck-boost converter that can deliver a regulated output voltage at up to 800 mA of continuous current with an input voltage above, below or equal to the output. ...
Compact Chargers Accept USB or AC Power
Jul 25, 2007
Advanced Analogic Technologies’ comprehensive line of USB/AC battery-charger ICs are designed for portable systems operating off single-cell 4.2-V Li-ion and Li-polymer batteries. ...
PMU Suits Cellular Phones
Jul 18, 2007
The LP3919 from National Semiconductor is a complete power management unit (PMU) IC designed for CDMA cellular phones. ...
Li-Ion Charger Uses USB or AC Power
Jul 18, 2007
Maxim Integrated Products’ MAX8804Y/MAX8804Z are miniature USB/AC-adapter chargers for single-cell Li-ion batteries....
Li-Phosphate Batteries Will Drive Converted-Porche EV
Jul 18, 2007
Valence Technology’s Li-phosphate batteries will be used in an MIT student engineering project that converts a 914 Porsche into an electric vehicle. ...
DoD Competition Offers $1 Million for "Wearable Power"
Jul 11, 2007
With the main goal of reducing the weight of the batteries that service members carry into battle, the Department of Defense is sponsoring a competition to develop a wearable electric power system for war fighters. ...
Collaborative Research Targets Miniaturized Energy Sources
Jul 5, 2007
With an overarching goal of providing greater autonomy to portable and stand-alone electronic devices, STMicroelectronics and the French Atomic Energy Commission will collaborate in a four-year program to develop miniaturized energy sources for low-power applications. ...