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Content tagged with Power
posted in January 2009
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Integrated bi-directional OVP device protects portable electronics
Product News  
1/30/2009   Post a comment
ON Semiconductor has introduced the industry's first integrated bi-directional device, with positive and negative (+/-) overvoltage protection (OVP) for cell phones, MP3/4, PDAs and GPS systems, and overcurrent protection (OCP) for portable accessories such as FM transceiver, load speakers and flash modules.
Environmentally responsible battery chargers enhance internal protection for handsets
Product News  
1/30/2009   Post a comment
Improved smaller-dimension circuit-protection devices have been introduced by STMicroelectronics to enable safer use of universal chargers with the aim of reducing the number of battery chargers discarded along with obsolete portable devices such as cellphone handsets, GPS receivers, and personal media players.
Analog among key business units for Renesas realignment
Product News  
1/30/2009   Post a comment
Renesas has announced a major restructuring plan, prompted by a projected sharp drop in 2008 sales and income loss.
Tiny blue lasers for micro-projectors, red and green coming soon
Product News  
1/29/2009   Post a comment
OSRAM's new blue laser diode has all the important attributes required for micro-projectors.
High performance GaN RF power amplifier targets wireless applications
Product News  
1/29/2009   Post a comment
IXYS Corporation's Microwave Technology, Inc. (MWT) division has introduced a family of three high linearity and high efficiency RF power amplifier products with output power up to 10 W based on advanced high quality GaN device technology.
Cambridge University creates low-cost production method for GaN LEDs
News & Analysis  
1/29/2009   Post a comment
Cambridge University's Centre for Gallium Nitride has developed a new way of making GaN which could produce LEDs for a tenth of current prices and may see household lighting bills reduced by up to 75 percent within five years.
LTC3603 step-down regulator delivers 2.5A
Product News  
1/28/2009   Post a comment
A wide 4.5V to 15V input range allows the LTC3603 buck converter to serve in applications driven by a dual-cell Li-Ion source or a traditional 12V supply.
Micrel : PWM buck regulators suit 5- and 3.3-V buses
Product News  
1/28/2009   Post a comment
Micrel introduces a family of dual non-synchronous PWM buck regulators.
Hidden gem from the Swiss mountains
Automotive DesignLine Blog  
1/28/2009   Post a comment
A Swiss outsider shows that technology competition among e-cars just has begun.
SL Power : 22-W power supply is medically approved
Product News  
1/28/2009   Post a comment
The MINT1022 is a 22-W internal single output power supply designed for applications requiring a medically approved compact internal power supply, particularly drug infusion pumps, portable ultrasound and cardiac monitoring.
Solar cell startup taps infrared light
News & Analysis  
1/28/2009   1 comment
San Jose startup Solexant has licensed materials technology that can harvest energy from infrared light, boosting the efficiency of solar cells, one of many advances under development at a photonics institute at the University of Buffalo.
Data center power consumption will skyrocket
Power DesignLine Blog  
1/27/2009   Post a comment
The EPA reported in mid 2007 that data centers consumed 1.5% of all electricity used in the US and the escalation in energy usage is outpacing Moore's Law.
Unipower : DC power system meets telecoms needs
Product News  
1/27/2009   Post a comment
The Gravitas X410R dc power system is designed specifically to meet the requirements of telecom systems applications where reliability, flexibility and battery back up are key factors.
Cisco debuts power management initiative
Design How-To  
1/27/2009   1 comment
Cisco Systems will debut a broad energy management initiative leveraging its prowess in Ethernet switching, aiming to extend its EnergyWise software to cover everything from Internet Protocol phones and Wi-Fi access points to PCs and building controls.
Dual-output, synchronous DC-DC controller delivers up to 25 A
Product News  
1/27/2009   Post a comment
A low-cost, dual-output, synchronous step-down controller capable of driving external MOSFETs to deliver at least 12 A per output has been introduced by Maxim Integrated Products.
Fuel vaporization could boost gas mileage, cut emissions
Design How-To  
1/26/2009   13 comments
Piggyback electronics and an add-on "vapor chamber" could be used to increase the mileage of existing automobile and truck engines by almost one-third while lowering emissions.
Radial aluminum capacitors offer low impedance benefits
Product News  
1/26/2009   Post a comment
Vishay Intertechnology has released a new series of radial aluminum capacitors that offers low impedance values, high capacitances, high ripple currents, and high-temperature operation up to +125 degrees C.
Efficient architectures move sources closer to loads
Design How-To  
1/26/2009   Post a comment
Large IT data centers use as much power as 25,000 to 35,000 homes and unfortunately as much as half of that power is wasted, but moving more efficient power sources closer to the load can slash waste.
EE Times ACE Awards open to all ESC attendees
Product News  
1/26/2009   Post a comment
Award ceremony now open to conference attendees; entry deadline extended to January 30th.
Step-up DC/DC converter drives up to 40 white LEDs
Product News  
1/25/2009   Post a comment
From a 12V input, Linear's 45V, 2.1MHz DC/DC boost mode converter can drive up to four strings of LEDs, each with up to ten 120mA white LEDs in series while delivering efficiencies up to 90%.
Diodes protect data lines and power rails in automotive applications
Design How-To  
1/24/2009   Post a comment
The automotive environment is the source of many electrical hazards, such as electromagnetic interference, electrostatic discharges, and other disturbances, which can occur directly in the wiring harness (conducted hazards) or be applied indirectly to electronic modules by radiation.
Trio of power management chips increase efficiency, voltage and output current in LED designs
Product News  
1/23/2009   Post a comment
Texas Instruments Incorporated has introduced a high-power DC/DC boost LED driver (TPS61500) and high-voltage DC/DC boost converter (TPS61175), and expanded its step-down DC/DC converter series with TPS62110.
EE Times ACE Awards expand, add renewable energy categories
Product News  
1/23/2009   Post a comment
EE Times is giving new awards in energy and green engineering categories.
Danish battery system developer attracts new investors
News & Analysis  
1/23/2009   Post a comment
One of Northern Europe's leading energy groups, DONG Energy has joined a group of investors backing Lithium Balance A/S, a Copehhagen-based developer, producer and marketer of battery systems and marks the first time that DONG Energy has invested in Danish-developed battery technology.
Optimize data-center power delivery architecture
Design How-To  
1/23/2009   Post a comment
Data center power accounted for 1.2% of total US electricity demand in 2005 and cost $2.7B which can only increase as data volume doubles every 12 to 18months.
Freescale offers free software license with microcontroller purchase
Product News  
1/22/2009   Post a comment
Freescale Semiconductor will give away software worth $95,000 to engineers choosing its microcontrollers for green energy, smart appliances, medical handhelds, factory automation and industrial control applications.
Dual-channel 8-bit ADCs consume very little power
Product News  
1/22/2009   1 comment
Maxim's has launched a new pin-compatible family of dual-channel, 8-bit, 65/100/130Msps ADCs that consists of three devices, one of which consumes a mere 43mW of analog power per channel.
Bourns' expanded SMT power resistor line offers smaller footprint
Product News  
1/22/2009   Post a comment
Bourns has expanded its line of Surface Mount Technology (SMT) power resistors with parts that it says offer high pulse protection, a smaller footprint and simple series dropping functions, enabling cost-effective automated assembly.
High-voltage MOSFETs use advanced process technology for AC/DC, ballast apps
Product News  
1/22/2009   Post a comment
Toshiba's 500V and 600V MOSFETs combine advanced process technology with optimized planar cell structure to increase power density and efficiency.
Startup's power supply control chip due this quarter
News & Analysis  
1/22/2009   Post a comment
Powervation Ltd. (Limerick, Ireland), a fabless semiconductor startup developing a digital control chip for power converters, has said its first product will be available in the first quarter of 2009.
Current-sense amplifier provides precision monitoring for battery-operated devices
Product News  
1/22/2009   Post a comment
Maxim Integrated Products has introduced a high-side, current-sense amplifier that provides precision monitoring for portable applications.
Solar cell maker expands U.S. manufacturing base
News & Analysis  
1/21/2009   1 comment
Photovoltaics manufacturer SolarWorld AG said it is continuing to expand its U.S. manufacturing operations despite the global economic recession.
Power semiconductors key processing density improvements
Design How-To  
1/21/2009   Post a comment
Exploding growth in multimedia and interactive web traffic is driving the need for more data centers and more servers per data center, and supplying efficient power to those servers is a primary obstacle to a continued traffic ramp.
LEDs expected to outshine other semis in tough '09
News & Analysis  
1/20/2009   Post a comment
The light-emitting diode market is expected to be a rare bright spot in what is predicted to be an otherwise dismal year for the semiconductor industry in 2009, according to market research firm iSuppli.
High-performance EMC/EMI filters in four-wire technology handles up to 600 A
Product News  
1/20/2009   Post a comment
Schaffner's FN 3280 filter family is now available for higher power applications with the introduction of new frame sizes 300A, 400A and 600A.
Solar energy harvesting kit enables permanently powered wireless sensor networks
Product News  
1/20/2009   Post a comment
The eZ430-RF2500-SEH kit combines Cymbet's EnerChip thin-film battery solution with TI's ultra-low power MSP430 MCU and RF technology.
XP Power : Dc-dc converters have 4:1 input range
Product News  
1/20/2009   Post a comment
Encapsulated in a DIP24 metal package, XP Power's 12 W JTF12 series dc/dc converter measures 31.75 x 20.32 x 10.4 mm. The 20 W JTM20 series uses the 1 x 2-inch (25.40 x 50.80-mm) industry standard mounting format.
Energy harvesting feeds ultra-low-power device growth
News & Analysis  
1/20/2009   Post a comment
Although the global economic downturn has depressed growth prospects across the electronics sector there still remain one or two bright spots that will nudge the industry forward during 2009.
Solar energy harvesting kit enables permanently-powered wireless sensor networks
News & Analysis  
1/20/2009   Post a comment
Solar energy harvesting kit eZ430-RF2500 combines Cymbet's EnerChip thin-film battery solution with TI's ultra-low power MSP430 MCU and RF technology.
Ni-MH batteries ensure total reliability for photovoltaic-powered navigation lights
News & Analysis  
1/20/2009   Post a comment
Navigation aid specialist, Sabik Informationssysteme GmbH, has developed self-contained, photovoltaic-powered navigation lights for marking abandoned offshore structures in the Frigg North Sea oilfield.
TI sampling energy harvesting development kit
Product News  
1/19/2009   Post a comment
Texas Instruments has started sampling a solar energy harvesting wireless sensor development kit that converts ambient light into power for industrial, transportation, agricultural and commercial applications.
Audio chip startup raises $8.5 million
News & Analysis  
1/19/2009   1 comment
Fabless chip company Audium Semiconductor Ltd. (Bristol, England) has raised $8.5 million in a first round of funding. The company claims to have proprietary audio power amplifier technology that requires one-twentieth of the power of competitive Class D amplifiers at "normal listening volumes."
DC motor controller targets mobile robots
Product News  
1/19/2009   Post a comment
The AX2860 dual-channel DC motor controller from Roboteq is capable of directly driving up to 120 A on each channel at up to 60 V.
Motor-control platform reduces costs, increases flexibility
Product News  
1/19/2009   Post a comment
Altera, National Semiconductor and Arrow Electronics have announced the North American introduction of the MotionFire motor-control development platform - an FPGA-based platform designed to enable quick and cost-effective development of motor-control solutions.
Hitting the dynamic range "sweet spot" of an A/D converter
Design How-To  
1/19/2009   Post a comment
Basic analysis and appropriate component selection lets you get the best use of a converter's range
Proper selection of passive and active power quality filters for the mitigation of mains harmonics
Design How-To  
1/19/2009   Post a comment
The steady increase in non-linear loads on the power supply network such as, for instance, variable speed motor drives (VSDs), raises questions about power quality and reliability. This article explains which specifications are suitable when it comes to choosing active and passive harmonic filters and which mistakes need to be avoided.
Maxim : Power-management IC is a complete solution for OLEDs
Product News  
1/19/2009   Post a comment
The MAX17065 is a highly integrated power-management IC (PMIC) that includes a step-up dc-dc converter, an inverting dc-dc converter, regulated positive and negative charge pumps, and a low-dropout linear regulator (LDO).
Micrel : Step-down regulator delivers up to 1.5 A
Product News  
1/19/2009   Post a comment
The MIC23150 is the highest output current device in Micrel's HyperLight Load family of synchronous step-down regulators.
Ricoh : 300-mA LDO has three operating modes
Product News  
1/19/2009   Post a comment
The RP200 is a 300-mA LDO with 3 operating modes. It has an additional control pin called “AE” or Automatic Eco mode.
SynQor : Triple output supply provides 500 W medical grade
Product News  
1/19/2009   Post a comment
SynQor has announced triple output versions of its ACuQor medical grade ac/dc power supply series that provide continuous output power ratings of up to 500 W, with 700 W transient capability.
Page 1 / 3   >   >>


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