ST, CEA team on miniaturized energy sources solutions News & Analysis 6/29/2007 Post a comment European chipmaker STMicroelectronics NV and the French Atomic Energy Agency (CEA) have concluded a collaboration agreement on the development of miniaturized energy sources solutions. Two joint laboratories will be established in Tours and in Grenoble, France, so as to conduct advanced research in solid-state microbatteries and microfuel cells for clean energy generation.
Mobile video serial screen link: Part of a healthy power consumption diet Design How-To 6/29/2007 Post a comment Raw power consumption for a competent mobile video display must be reduced by at least 40 percent in order to maintain the same battery life that current cell phone users have become accustomed to. While small improvements in power efficiency can add up, real innovative breakthroughs are required to solve this hardware challenge.
Industry must share supply chain vigilance News & Analysis 6/25/2007 Post a comment A supply chain error can result in a manufacturing and public relations disaster. Just ask Toshiba Corp. Almost nine months after it began a replacement program for a batch of defective batteries, the Japanese company was again out last week mopping up the mess.
DC/DC module optimized for low cost, environment Product News 6/22/2007 Post a comment Ericsson Power Modules has introduced a pinned version of its MacroDens PKR DC/DC module that is fully compatible with the previous platform. The PKR-PI module is also environmentally friendly and easier to recycle at end-of-life.
White LEDs double brightness from compact package Product News 6/22/2007 Post a comment The TLWK1100B from Toshiba Electronics Europe is a white LED that provides double the brightness of previous devices in the same form factor. Supplied in a standard, compact package, the part delivers typical luminous intensity levels of 1500mcd from a drive current of only 20mA.
ON Semi drives European automotive center News & Analysis 6/22/2007 Post a comment ON Semiconductor has set up a specialist engineering center in Munich, Germany focusing on the development of power management solutions for a variety of automotive applications including body, HVAC, powertrain, safety and infotainment.
DC/DC converters yield high efficiencies Product News 6/21/2007 Post a comment C&D Technologies has introduced the UQQ family of quarter-brick DC/DC converters that supplies an ultra-wide 4:1 input range and 100 watts of power for battery-powered mobile, industrial, medical and telecommunications applications.
Standby and uninterruptible power supply tutorial - Part 2 Design How-To 6/20/2007 1 comment There is a big difference between the performances of the standby backup supply and an on-line UPS. This two-part tutorial steps you through the differences and similarities. This is Part 2 and it describes and provides examples of power factor and why it's important to understand.
Dc-dc converter is corona free at 12 kVrms Product News 6/19/2007 Post a comment The DIO 122 is a dual output, high voltage isolated dc-dc converter developed for high power gate drivers and similar applications in oil and gas, mining, medical, railway and industrial environments.
Tiny Nintendo DS Lite drives volume Teardown 6/18/2007 Post a comment
Nintendo is enjoying a renaissance in gaming, so it seemed like a good time to peek into its current offering in portables. While a recent Nintendo Wii teardown by Portelligent tells a fascinating story of higher-end graphics and motion-sensing controllers, the lower-profile handheld game platforms are still a big part of the company's bottom line, and they're notable for their engineering.
DC-DC converter with integrated switch saves space Product News 6/15/2007 Post a comment Maxim introduces the MAX15020 high-voltage DC-DC converter with an integrated high-side switch capable of delivering up to 2 A of output current, while operating with switching frequencies up to 500 kHz. Upshot: This translates into a board space and system cost savings.
3G cellular radio drives fuel cell demand News & Analysis 6/14/2007 Post a comment Rising demand for fuel cells has prompted manufacturer P21 GmbH (Brunnthal, Germany) to switch to volume manufacturing instead of individual production. The company expects that the transition from 2G to 3G mobile networks to further stimulate demand.
Synchronous converter delivers up to 200 mA Product News 6/13/2007 Post a comment Linear Technology introduced the LTC3522, a dual-channel, 1 MHz synchronous converter. One channel uses a synchronous buck-boost topology which can deliver up to 400 mA of continuous output current with inputs above, equal, or below the output.
Battery charger targets portable applications Product News 6/13/2007 Post a comment Summit Microelectronics expanded their family of programmable battery charger integrated circuits with the introduction of the SMB139 single-cell, Li-Ion and Li-Polymer linear battery charger. The device's battery charging profile can be configured to adapt to new system designs and battery types.
How to power sub-micron CMOS loads with an efficient LDO Design How-To 6/13/2007 Post a comment The trend of smaller process geometries for digital ICs causes power issues for design engineers. Increased power consumption, lower core supply voltages and multiple power supply rails should be taken into consideration when selecting a regulator -- should it be a switching or linear regulator? Here's help deciding.
REVIEW: Surface-mount point-of-load DC-to-DC converter can be handled like an IC Product News 6/13/2007 Post a comment Chip maker Linear Technology Corp. rolls out a DC-to-DC regulator module that operates from lower voltage input supplies. Handled much like an SMT device, the LTM4604 module comprises a complete 4-A regulator system with on-board controller, power switches, inductor, and bypass capacitors, all enclosed in a tiny land-grid-array package. eeProductCenter Senior Technical Editor Alex Mendelsohn takes a first look.
DC-input front end uses same racks as AC-input solutions Product News 6/12/2007 Post a comment Power-One introduced the DC-input SFD550-12BG DPA/IBA front-end. This 12 Vout product uses the same packaging and backplane connectors as Power-One's SFP450 and SFP650 front ends, providing customers with DC-input solutions which do not require any redesign of their existing AC-input racks or backplane connectors.
Blog Doing Math in FPGAs Tom Burke 24 comments For a recent project, I explored doing "real" (that is, non-integer) math on a Spartan 3 FPGA. FPGAs, by their nature, do integer math. That is, there's no floating-point ...