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posted in August 2007
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Eighth-brick DC/DC converter delivers 24-V output
Product News  
8/30/2007   Post a comment
SynQor has expanded its eighth-brick DC/DC converter family with a 24-V output device.
Single-phase energy meter IC supports 80-segment LCD displays
Product News  
8/30/2007   Post a comment
austriamicrosystems has introduced the AS8267, a single phase energy meter IC providing security protected on-chip data and program memory with reliable data-retention specifications over an extreme temperature range.
Fraunhofer researchers improve solar cell efficiency
Product News  
8/30/2007   Post a comment
A manufacturing technique developed by Fraunhofer Institute ISE (Freiburg, Germany) helps to increase the energy yield of solar cells.
Allegro boosts thermal stability in power transistors
Product News  
8/30/2007   Post a comment
Targeted at the home and professional audio amplifier markets, Allegro has launched a new series of Darlington transistors that deliver a high safe operating area, and low thermal resistance derived from a thinner-die technology.
Secure supervisor circuit incorporates tamper detection
Product News  
8/29/2007   Post a comment
Maxim says the SPI-compatible DS3650 is the industry's first secure supervisor with tamper detection to meet the payment card industry's voltage- and temperature-monitoring requirements. It integrates a battery-backup controller, system power monitor, CPU supervisor, temperature sensor, along with two tamper-detection comparators.
PoE interface controller delivers precise regulation
Product News  
8/29/2007   Post a comment
Linear Technology has introduced the LTC4268-1, a PoE interface controller with a synchronous, current mode, switching regulator for delivering precise regulation and high efficiency to powered devices.
Power JFETs: Good news for audio amp design
Audio DesignLine Blog  
8/29/2007   Post a comment
Power JFETs - yes, JFETS - are available again, and offer some intriguing advantages over MOSFETs in audio amp design.
LED driver features on-chip oscillator for programmable brightness control
Product News  
8/29/2007   Post a comment
Allegro MicroSystems, Inc. has introduced a three-channel constant-current LED driver with an on-chip oscillator for programmable brightness control.
4-port midspan reaches 60W per port
Product News  
8/28/2007   Post a comment
Phihong USA has introduced the Ultra PoE POE480U, a 4-port midspan that reaches full power of 60W per port and requires no power management.
Researchers use body heat to power electronics
News & Analysis  
8/28/2007   Post a comment
Researchers have used thermoelectric generators to harness natural body heat to generate electricity and power electronic systems, according to the Fraunhofer Institute for Integrated Circuits IIS (Erlangen, Germany).
20-V LDO requires 1-µA quiescent current
Product News  
8/28/2007   Post a comment
austriamicrosystems has expanded its low dropout regulator (LDO) portfolio with the AS1360, which requires 1.5-µA quiescent current and handles up to 20V input voltage.
Darlington transistors enhance thermal stability in audio amps
Product News  
8/28/2007   Post a comment
A new series of Darlington transistors designed exclusively for audio amplifiers achieves higher power levels through decreased thermal resistance, and can withstand higher voltages than similar devices on the market.
Verifying your low-power designs
Design How-To  
8/28/2007   Post a comment
Here are some of the power reduction techniques used in today's chip designs, the pitfalls of each, and how to set up low-power verification.
Supervisory circuits pack performance in small package
Product News  
8/27/2007   Post a comment
Maxim Integrated Products introduces the MAX16033- MAX16040 low-power supervisory circuits that provide power supply monitoring and battery control functions in microprocessor systems.
Diode-OR controller reduces power consumption, voltage loss
Product News  
8/27/2007   Post a comment
Linear Technology offers the LTC4357, a single high-voltage ideal diode-OR controller, as a low loss replacement for Schottky diodes in N+1 redundant power supply applications and high-availability systems.
Boys on sugar, or Incredible edible batteries
Blog  
8/27/2007   Post a comment
Doctors have told me that sugar really didn't make my boys hyped up. I've never bought that it didn't affect them--in fact, just ask any mom.
How to build a battery that lasts longer than a car
Design How-To  
8/27/2007   3 comments
A new lithium-ion battery design for automotives with a projected lifetime of 20 years supports the global movement towards hybrid electric vehicles.
Under the Hood: Gauging standard-cell performance
Teardown  
8/27/2007   Post a comment
Standard-cell-based design has become the mainstream methodology for designing the digital-logic sections of ASICs. Semiconductor Insights shows how it used advanced imaging and algorithms to go deep inside the structure of TI's OMAP2420 SoC.
Vendors steer toward automotive
Product News  
8/27/2007   Post a comment
The automobiles that consumers will be driving 10 years from now will differ vastly from those on the road today.
Surface-mount power LEDs come in CLCC6 ceramic package
Product News  
8/24/2007   Post a comment
Vishay's VMLx61 series of SMD power LEDs in a CLCC6 ceramic package offers high efficiency and high luminous intensity from 2800 to 9000 mcd for thermal-sensitive applications.
HB-LED driver features rapid current pulsing
Product News  
8/23/2007   Post a comment
Maxim says its MAX16821 high-power, synchronous high-brightness LED (HB-LED) driver with rapid current pulsing is the first to drive common-anode LEDs.
IGBT improves energy efficiency in low-frequency industrial applications
Product News  
8/23/2007   Post a comment
Fairchild Semiconductor's 600V/30A IGBT improves energy efficiency in low-frequency industrial applications such as solar inverters, welding machines and uninterruptible power supplies.
LiMnO2 hybrid battery cells deliver longer life, higher capacity
Product News  
8/23/2007   Post a comment
Maxell has released its next-generation of lithium manganese dioxide (LiMnO2) cylindrical hybrid battery cells with longer life and higher capacity for automatic meter readers, security devices and RF applications.
Honeywell Batteries expands OEM battery pack division
News & Analysis  
8/23/2007   Post a comment
Honeywell Batteries has expanded its OEM Design and Manufacturing operations for portable handheld devices. New capabilities include a modular charging system and battery pack designs using the company's NEOCELLS lithium-polymer batteries.
Rocket propels prosthetic arm
News & Analysis  
8/23/2007   Post a comment
A rocket-powered bionic arm with articulated hand and fingers is 10 times more powerful than battery- and electric-motor-powered prosthetics.
Thermal management ICs target smaller packages
Product News  
8/23/2007   Post a comment
SMSC has introduced the EMC210x family of fan controllers with RPM closed-loop control and multiple temperature management, and three SMBus temperature sensors for systems requiring a high level of temperature monitoring.
Fuse holder fits standard and low-profile fuses
Product News  
8/22/2007   Post a comment
Keystone Electronics Corp. has introduced a compact PC automotive blade fuse holder that accepts both standard and low-profile mini-size fuses.
1200-W power supplies support LXI
Product News  
8/21/2007   Post a comment
Kepco has introduced LXI (LAN eXtensions for Instrumentation) approved versions of its 1200-W, Hyperbolic limit, programmable KLP power supplies.
N-Channel MOSFETs tout 90-percent higher ESD for portables
Product News  
8/21/2007   Post a comment
Fairchild Semiconductor has launched the FDS881XNZ series of high-efficiency N-channel MOSFETs that boasts up to 8kV ESD (HBM) voltage protection, which the company claims is 90 percent higher than existing devices on the market.
1.2-V-rated TrenchFET MOSFETs simplify sub-1.8-V portable designs
Product News  
8/20/2007   Post a comment
Vishay has launched power MOSFETs with on-resistance ratings at a 1.2-V gate-to-source voltage, a move that will help designers simplify power management circuitry while extending battery run times in portable electronic systems.
Measuring a PC's energy efficiency and performance
Design How-To  
8/20/2007   Post a comment
Here's a starting point for developing relevant, universal metrics to help consumers make energy-conscious buying decisions
Quarter brick DC/DC converters target railway/transportation applications
Product News  
8/20/2007   Post a comment
SynQor has released the IQ36xxxQTA family of isolated quarter brick DC/DC converters, aimed predominantly at the railway and transportation industry.
TDI claims first InGaN substrate
News & Analysis  
8/20/2007   Post a comment
Technology and Devices International Inc. (Silver Spring, Maryland), a developer of compound semiconductor substrates, has started supplying wafers with a top layer of indium gallium nitride (InGaN) for use in LED production.
Smart security improves battery life
Design How-To  
8/20/2007   Post a comment
The market for mobile devices is growing rapidly with tremendous advancement in capabilities, applications and diversity of devices.
Diodes rolls out bipolar transistors in SOT-233 packaging
Product News  
8/20/2007   Post a comment
In an effort to provide a common package technology across its various silicon technologies, Diodes has released 19 medium power bipolar junction transistors in SOT-223 packaging.
White LED step-up converter integrates Schottky diode
Product News  
8/20/2007   1 comment
The SC4509 from Semtech measures 2mm x 2mm and features efficiency of more than 80%.
Digital power forums extend to Europe
News & Analysis  
8/18/2007   Post a comment
The first annual Digital Power Europe conference (DPE '07) meets in Munich, Germany during November 13-15.
Control Loop Considerations for an LED Driver
Design How-To  
8/17/2007   Post a comment
Placing the buck converter's output capacitor across the LEDs, versus from output to ground, can make a notable difference when it comes to system response
Thin-film thermoelectric generator converts waste heat into electricity
Product News  
8/17/2007   1 comment
Nextreme has developed a miniature thin-film thermoelectric generator (TEG) that converts heat directly into electricity, making it suitable for waste heat conversion applications.
Fuel cells remain a moving target
Product News  
8/17/2007   Post a comment
Despite a massive influx of research and development, micro fuel cells are not expected to hit the mainstream for several years.
LDO delivers high power density, ultra-low noise
Product News  
8/16/2007   Post a comment
Linear Technology has introduced the LT1965, a low noise and low voltage 1.1-A low dropout regulator (LDO) with high power density.
Power MOSFETs deliver on-state resistance of 2-milliohms
Product News  
8/16/2007   Post a comment
NEC's latest NP Series low-voltage power MOSFETS deliver low RDS(on) (on-state resistance) of 2.0 milliohms, making them suitable for automotive systems, low-voltage DC motor controllers and uninterruptible power supplies.
Singapore will host Sony's new lithium-ion battery plant
News & Analysis  
8/16/2007   Post a comment
Sony Corp. said it will invest $97 million in a new lithium-ion polymer battery plant in Singapore, the company's first such venture in Southeast Asia.
IMS predicts solid growth for backlighting LED market
Product News  
8/16/2007   Post a comment
A growth potential of 50 percent over the next six years forecasts IMS Research for semiconductors used in backlighting applications. Increasing use of LEDs in these applications will intensify the pressure on the competing cold cathode fluorescent lamp (CCFL) technology.
EU could quiz ST-Infineon merger over power, says analyst
News & Analysis  
8/15/2007   Post a comment
The rumored merger of STMicroelectronics NV and Infineon Technologies AG could draw attention from the European Union's competition authorities over power semiconductors, according to market research firm IMS Research Ltd. (Wellingborough, England).
HP researcher in power struggle
News & Analysis  
8/15/2007   Post a comment
Partha Ranganathan describes his research in power efficient systems and multicore processors at Hewlett Packard Labs that won him recognition from MIT Technology Review magazine as one of the top technology innovators under 35.
More opportunities for PoE
Design How-To  
8/14/2007   Post a comment
IEEE's new Power-over-Ethernet Plus standard will expand applications significantly
Understand the evolving motion-control requirements for PC fans
Design How-To  
8/14/2007   Post a comment
Increasing heat dissipation requires advanced cooling techniques and consideration, for noise control and efficiency
Not so fast on nuclear
Power DesignLine Blog  
8/14/2007   Post a comment
Global power management is within our reach, but is the price too high to pay?
Paper battery is rechargable
Product News  
8/14/2007   1 comment
Rensselaer Polytechnic Institute researchers said they have developed a paper-thin battery that uses nanotubes to store electrical energy.
Page 1 / 2   >   >>


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