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2009-02-18 Rev up efficiency of motor-control based designs
There is pressure on designers to cut the cost of motor installation. Understanding the requirements can help illustrate what features designers need to focus on to get the best performance for the smallest investment in silicon.
2013-07-18 Researchers raise dye-sensitised solar cell efficiency to 15%
EPFL scientists developed a state solid version of the DSSC that is fabricated by a two-step process raising their efficiency up to a record 15 per cent without sacrificing stability.
2014-01-02 Researchers offer low-cost PV device with high energy efficiency
The solar cell developed by the researchers of the ICMol consists of a thin perovskite film sandwiched in between two very thin organic semiconductors.
2013-08-01 Researchers determine cause of LED efficiency droop
Rensselaer researchers explained a flaw called "efficiency droop" that causes LEDs to lose up to 20 per cent of their efficiency as they are subjected to greater electrical currents.
2009-01-19 Researchers claim 'world-record' PV efficiency
Researchers from Fraunhofer Institute for Solar Energy Systems have managed to squeeze an efficiency of 41 percent out of photovoltaic cells, which it is a world record.
2012-06-06 Rensselaer's solar tech increases conversion efficiency by 60%
The technology uses superconducting magnets to increase the efficiency of conversion from sunlight to electricity by stripping electrons from high-energy plasma jets.
2007-07-24 Regulators up power efficiency in DDR apps by 93%
Freescale Semiconductor has introduced a series of single- and dual-power regulator ICs that provide efficient power management for DDR applications.
2011-10-17 Regulator achieves 88% operating efficiency
The LTM8052 has a current limit up to 5A and converts input voltage between 6V to 36V to between 1.2V to 24V.
2006-11-20 Ref design touts 90% efficiency for VR11 apps
Primarion's new PX3538 controller-based reference design, using a standard multiphase synchronous buck technology, touts 90 percent efficiency for VR11 applications.
2007-09-13 Ref design offers 95% efficiency for dual-output POL apps
Primarion's reference design demonstrates 95 percent efficiency at 5V and 94 percent at 3.3V in under 2 inches? for dual-output POL applications.
2009-11-27 Ref design eases high-efficiency LED apps dev't
ON Semiconductor GreenPoint reference designs that will speed and simplify the development of high-efficiency LED-based lighting applications.
2007-09-12 Rectifiers boast power factor correction efficiency
Qspeed Semiconductor has introduced its Q-Series rectifier family designed for use in power factor correction circuits that deliver from 200W to 1,000W of power.
2006-02-28 Rectifier chip boosts power conversion efficiency
System General released the SG6203 power IC product, a secondary synchronous rectifier control chip suitable for general low-voltage high-current flyback power converters.
2014-12-05 Record solar cell efficiency achieved by French-German team
The solar cell, boasting 46 per cent efficiency, has been developed by Soitec and CEA-Leti, France, together with the Fraunhofer Institute for Solar Energy Systems ISE, Germany.
2009-01-21 Rapid prototyping bolsters efficiency
The idea of prototyping has been in the industry a long time, and it hasn't exactly been a push-button process.
2002-08-23 Quarter-brick delivers 240W with efficiency
SynQor's BusQor series module expands the reach of the quarter-brick dc/dc converter for users requiring a loosely regulated intermediate bus to power a variety of downstream, non-isolated point-of-load regulators.
2007-02-08 Quarter-brick DC/DCs deliver 92% efficiency
Reducing energy consumption, the quarter-brick DC/DC modules from Ericsson feature an efficiency of 92 percent typical at 3.3Vout half load.
2011-03-22 Quarter-brick bus claims 98 percent efficiency
Available as drop-in upgrades for 5:1 and 4:1 converters, the quarter-brick modules in the IBC048 series of VI BRICK Bus Converters from Vicor Corp achieves up to 98 percent efficiency.
2002-10-08 Qizheng dc/dc converters operate at >75 percent efficiency
Beijing Qizheng Design Technologies Co. Ltd's DIL series of dc/dc converters operates from an 18V to 36V or 36V to 72V input and delivers 5V or 12V output with an efficiency >75 percent.
2002-09-19 Qizheng dc/dc converter has >82 percent efficiency
The HDR series of dc/dc converters accepts an input of 18Vdc to 36Vdc or 36Vdc to 72Vdc and delivers 12Vdc to 48Vdc output with an efficiency >82 percent.
2014-08-08 Qi seeks safety, efficiency over distance
Power is limited for safety reasons, and efficiency in longer-distance resonant chargers is low because there's a physical relationship between distance and efficiency.
2009-12-08 PWM controllers up efficiency at light load
Fairchild's PWM controllers include frequency hopping, which reduces EMI emissions, and internal soft start to lessen voltage stress on the MOSFET at start up.
2015-02-09 PWM controllers boost operating efficiency, minimise noise
The AP3125 current-mode devices are optimised for offline AC-DC converters in portable products, consumer electronics and domestic appliances.
2011-08-19 PWM controllers boast up to 95% efficiency
TI has launched two high-efficiency PWM power supply controllers that simplify design and boost efficiency in telecommunications, server and industrial systems.
2008-05-30 PWM controller improves up to 97% energy efficiency
Texas Instruments Inc. has released a power supply controller for unregulated output voltages that achieves up to 97 percent system efficiency in an intermediate bus architecture.
2007-02-06 PWM controller boosts efficiency, saves space
Intersil's ISL6535 high-performance PWM controller integrates the control, gate drivers, output adjustment, monitoring and protection functions into a near-chipscale-sized 4-by-4mm 16-lead QFN package.
2013-03-07 PV market comeback needs policy, efficiency
There is still a long way before the industry achieves grid parity, there is still a long way to go before achieving this and thus a stable policy could still greatly affect the global PV industry.
2013-12-23 Pushing white light efficiency through GaN-on-GaN
A startup company is betting on GaN-on-GaN for high efficiency white LEDs that could usher in a generation of devices using purely white LEDs and not blue LEDs covered with a mixture of phosphors.
2015-05-20 Protocol exerciser boosts power efficiency of PCIe devices
The Keysight U4305B exerciser addresses PCIe developers' needs, including providing ways to test new technologies such as Non-Volatile Memory Express (NVMe) and L1 substate operation.
2008-06-25 Project improves efficiency of OLED lighting panels
The 20-million euro (around $31 million) Organic LEDs for Lighting Applications (OLLA) project that has been partly funded by the European Union since 2004 has concluded, claiming it met and exceeded its goals and produced record-breaking OLED lighting panels.
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