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Energy Efficiency

 




 

 

Energy Efficiency

February 2013
Silicon Labs unveils low-power software and hardware development tools at Embedded World 2013
Silicon Labs, a leader in high-performance, analog-intensive, mixed-signal ICs, unveiled Precision32â„¢ software and hardware development tools that enable engineers to maximize the power efficiency
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Date:
02/27/2013
Digitally-tunable capacitors empower LTE smartphone designs
At the Mobile World Congress in Barcelona, Peregrine Semiconductor, a fabless provider of high-performance radio frequency integrated circuits (RFICs), announced it has expanded its DuNE™ Digitally
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Date:
02/26/2013
Efficient Power Conversion, a world leader in enhancement-mode gallium nitride on silicon (eGaN®) power FETs will be presenting an educational seminar and several application-focused technical
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Date:
02/26/2013

300-W supply boasts superior field reliability
The 300-W ZWS300BAF AC/DC power supply from TDK Lambda operates from a universal input of 85 to 265Vac or 120-370Vdc and features a 10-year E-cap lifetime for superior reliability in the field, meeting
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Date:
02/25/2013
Solid state lighting
In this PSDcast, Alix Paultre talks to Paul Scheidt of Cree on the state of solid-state lighting development and what that means to the engineering community and the lighting systems and luminaire
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Date:
02/22/2013
Ultra-low power processor operates at near-threshold voltage
At this week's International Solid State Circuits Conference, imec and the Holst Centre unveiled an ultra-low power processor that operates reliably at near-threshold voltages. The processor delivers
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Date:
02/22/2013
ARM Cortex-M4 microcontrollers offer ultra-low-power digital processing
Toshiba Electronics Europe announced the European availability of the company's first ARM Cortexâ„¢-M4 microcontrollers. The TMPM440 series meets the high-speed, ultra-low-power digital processing
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02/20/2013
Cree and Eta Devices will demonstrate what is presented as the world's most efficient power amplifier for mobile base stations at the 2013 Mobile World Congress, February 24-28 in Barcelona, Spain.
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Date:
02/20/2013
Mass-produced Schottky-free SiC MOS module ideal for 1200V/180A inverters
ROHM recently announced that they have begun mass-production of 1200V/180A-rated SiC MOS modules for inverters/converters used for industrial equipment, photovoltaic power conditioners and the like.
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Date:
02/20/2013
Precision 50μV offset op-amp accepts 76V input
Available in dual and quad versions, the LT6016 and LT6017 wide-input operational amplifiers from Linear Technology combine high precision with the ruggedness and versatility of the Over-the-Top®
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Date:
02/20/2013
The Michigan Chemistry Council (MCC) and NextEnergy will co-sponsor the Advanced Battery Opportunities for Chemical Manufacturers and Suppliers conference on March 21, 2013 in the Mackinac Room at
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Date:
02/15/2013
IGBT/MOSFET gate drive coupler saves power in a reduced footprint

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Targeting applications such as factory automation equipment, motor drives, digital home appliances, and photovoltaic power micro-inverters, the TLP152 gate drive coupler from Toshiba Electronics
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Date:
02/14/2013
Two methods for increasing AC-distribution efficiency

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Figure 1: Transformers that utilize the auto-zigzag construction can perform the delta to wye transformation without the efficiency loss of an isolation transformer.

The most common options for increasing data-center energy efficiency, including elimination of the PDU (power-distribution unit) and converting to DC power, require disruptive, expensive, and time-consuming
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Date:
02/13/2013
Extend battery life with auxiliary charge-pump circuits

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Figure 1: Low-cost power supply providing a regulated 1.8 V and 2.5 V using a step-down converter and auxiliary charge pump

In many low-power battery-powered applications, cost is king. If the cost to produce a device is above a certain threshold, determined by the device's functionality and the market, that device simply
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Date:
02/13/2013
Increasing efficiency in LED streetlight power supplies

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Figure 1: Shoot through due to drive-signal timing mismatch

Solid-state exterior lighting requires a regulated AC to DC power supply to drive LED loads which can vary in size from 1 W to over 500 W. To ensure a good return on investment, these power converters
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Date:
02/13/2013
Hall-effect sensors deliver higher efficiency in brushless-DC motors

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Figure 1: Hall-effect sensors can mount in three locations: inside the motor, at the end of the motor's shaft, and around the rotor shaft's ring magnet.

As energy efficiency and cost savings become the biggest drivers in the design of electronic equipment, BLDC (brushless-DC) motor manufacturers must adapt to these new requirements, and deliver motors
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Date:
02/13/2013
Measuring wireless-power charging systems for portable electronics

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Figure 1: Qi wireless-charging system simplified block diagram

Mobile electronics can be found everywhere—homes, hospitals, schools, purses, and pockets. With the explosion in portability, consumers have come to expect and demand long battery life. Energy-efficient
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Date:
02/13/2013
Smart and efficient cities

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Figure 1: The SignalGuru application from MIT and Princeton, saves drivers an average of 20% fuel costs compared to those that had to stop at traffic lights.

A city by its very nature tends towards chaos. As the population of the world continues to grow, so does the population living in urban areas. The need to maintain all of the essential services
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Date:
02/13/2013
Thin-film silicon solar cells achieve record efficiency
The Ecole polytechnique fédérale de Lausanne (EPFL) Institute of Microengineering has reached a remarkable 10.7% efficiency single-junction microcrystalline silicon solar cell, surpassing the previous
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Date:
02/13/2013
O2Micro International announced that it was issued 20 claims under United States patent number 8,294,421 for its Cell Balancing system. This system balances battery cells in a battery pack to keep
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Date:
02/12/2013
Modular RCC-topology converters address digital applications
Designed as a cost effective solution for digital applications, Aimtec has released 13 Series of DC/DC modular switching power supplies in 3 watt to 6 watt output power ranges. Distinguished by
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Date:
02/12/2013
Universal lighting controller presented as first available
Domestic, commercial and public lighting systems can now be made greener, more economical, safer and more flexible with what is presented as the first programmable digital controller specifically
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Date:
02/11/2013
Converter delivers up to 700mA with four passive components
Incorporating an onboard inductor, power switch, and DC/DC controller, the LTM8045 2.8V-18V input, multi-topology DC/DC μModule® (micromodule) converter from Linear Technology can deliver up to 700mA
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Date:
02/08/2013
Embedded power management module directly targets smartphone and tablet apps
Based on TDK's SESUB technology (semiconductor embedded in substrate), a Series of highly integrated, IC-embedded multi-channel power management modules is presented as the world's first device of
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Date:
02/08/2013
ABB to upgrade major HVDC link in the US
ABB, a global leader in power and automation technology, has won an order worth around $260 million from the U.S. utility Bonneville Power Administration (BPA), a power marketing agency within
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Date:
02/07/2013
Development board features enhancement-mode gallium nitride (eGaN) FETs
Efficient Power Conversion Corporation (EPC) today announced the availability of the EPC9004 development board, featuring EPC's enhancement-mode gallium nitride (eGaN) field effect transistors
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Date:
02/07/2013
USB-ready Li-ion battery charger IC enables fast charging of portable devices
Manufactured with a 0.13-?m mixed-signal process technology, the TC7710WBG high-current USB ready Li-ion battery charger IC from Toshiba Electronics offers one of the industry's fastest charging currents
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Date:
02/06/2013
SoCs empower polyphase smart meters
Able to achieve an electricity measurement accuracy that meets or exceeds global regulatory requirements for smart polyphase e-meters including IEC 62053-22 and ANSI C12.20 Class 0.2 standards, a
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Date:
02/05/2013
Ultramini LDO Series touts enhanced drop-out and noise performance
Toshiba Electronics Europe (TEE) has announced a family of ultra-miniature CMOS low drop-out voltage regulators (LDOs) with a 200mA driving capability that provide an excellent performance/size
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Date:
02/01/2013
Power Factor Correction product family aids efficient and cost-effective power conversion
Alpha and Omega Semiconductor, a designer, developer and global supplier of a broad range of power semiconductors and power ICs, introduced the first of a new product line of Power Factor Correction
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Date:
02/01/2013

 



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