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Lighting & Illumination

April 2015
Serving high power & high reliability applications
M.Weaver, J. Petrzilek, and M. Biler, AVX

Tantalum surface mount capacitors with a solid electrolyte have been the favorite capacitor technology choice in many electronic devices for more than five decades, thanks to their stability, high reliability, and superior volumetric efficiency. The traditional manganese dioxide (MnO2) cathode material provides go
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Date:
04/30/2015

Implementing a high-performance power-conditioning solution
Zhen Yu & Shamim Choudhury, Texas Instruments

The use of power diodes and Thyristors in applications such as small and large appliances, such as UPS systems, AC/DC rectifiers, and variable speed motor drives is the primary source of harmonic distortion in AC grid or mains current. Due to the source impedance of the mains power, the harmonic load current cau
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Date:
04/30/2015
Standex-Meder Electronics offers planar magnetics design guide

Planar Magnetics Design Guide for Transformers & Inductors

Standex-Meder Electronics offers planar magnetics design guide
Standex-Meder Electronics, a manufacturer of precise, reliable, and long-lasting miniature switches, sensors and relays, announced the availability of its new Planar Magnetics Design Guide for Transformers & Inductors. Under its “custom is standard” pledge, the new guide showcases a variety of standard si
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Date:
04/29/2015
EPC's new eGaN power transistors now break silicon’s cost-speed barriers

60 V EPC2035 and 100 V EPC2036 eGaN power transistors

EPC's new eGaN power transistors now break silicon’s cost-speed barriers
Efficient Power Conversion Corporation (EPC) announced the 60 V EPC2035 and 100 V EPC2036 eGaN power transistors designed to compete in price, while outperforming silicon. Price, the last barrier to widespread adoption of GaN transistors as silicon MOSFET replacements, has fallen. These products demonstrate th
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Date:
04/29/2015
Power is sexy again

Alix Paultre, Editorial Director, PSD

Power is sexy again
Alix Paultre, Editorial Director, PSD

Once upon a time electricity was magic in every sense of the word. From its humble yet fascinating triboelectric origins, where Thales of Miletus first noted amber can acquire an electric charge by rubbing with a material like wool. Many of America’s founders were also famous scientists and engineers (Benjamin Fr
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Date:
04/29/2015
GaN FET apps are growing rapidly

Alex Lidow, Efficient Power Conversion

GaN FET apps are growing rapidly
Alex Lidow, Efficient Power Conversion

Enhancement-mode gallium nitride transistors have been commercially available for over five years.  Commercially available gallium nitride (GaN) FETs are designed to be both higher performance and lower cost than state-of-the-art silicon-based power MOSFETs.  This achievement marks the first time in 60
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Date:
04/29/2015
Saving energy in a software-controlled world
Patrick Le Fèvre, Ericsson Power Modules

Software is playing an increasingly prominent role in networking at a system architecture level, but it also has growing importance in the future in the delivery of power. Digital control, the use of power-optimization software algorithms and the concept of the Software Defined Power Architecture are all being se
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Date:
04/29/2015
Replacing electrolytics with MLCCs in power applications
Jun Nakajima, TAIYO YUDEN

Advances in multilayer ceramic capacitor (MLCC) technology now offer designers a high-capacitance alternative to traditional electrolytic capacitors. New high-value MLCCs provide the advantages of lower equivalent series resistance (ESR) and inductance (ESL) than electrolytics, and demonstrated mean time to fa
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Date:
04/29/2015
Optimizing power by phase positioning
Dr. Zaki Moussaoui, Exar

The technique of paralleling power converters and phase shifting their outputs is not new, and “interleaving” (as it is known) has been used in a number of applications to reduce the size of input and output capacitors. These include the 42V/14V DC-DC converters found in dual-voltage vehicle electrical systems and
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Date:
04/29/2015
ON Semiconductor to showcase their latest tech at PCIM 2015

ON Semiconducto will be showcasing some of its latest advances at PCIM 2015

ON Semiconductor to showcase their latest tech at PCIM 2015
ON Semiconductor, driving energy efficient innovations, will be showcasing some of its latest advances in power management technology at PCIM 2015, including compact IPM, significant developments in GaN, and a sensor-less motor driver controller. Featured demonstrations include:   · Current-Mode LLC Power S
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Date:
04/20/2015
Novel paper insulation approach offers untapped potential for transformer efficiency

By tailoring the properties of the paper to the differing insulation requirements of windings within the transformer, significant gains can be made in both cost and efficiency

Novel paper insulation approach offers untapped potential for transformer efficiency
A seminar at the forthcoming CWIEME Berlin exhibition will reveal how cellulose paper and mineral oil insulating systems in distribution transformers can still meet today’s ever-tightening cost and efficiency restrictions – thanks to a few smart modifications. Proven and reliable, mineral oil-impregnated paper has
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Date:
04/16/2015
Thermal interface materials market set to grow to $3.7bn by 2025

Market forecasts for thermal interface materials 2015-2025 - see the report for a full breakdown by applications and type

Thermal interface materials market set to grow to $3.7bn by 2025
Recent research conducted by analysts IDTechEx finds that the thermal interface materials (TIM) market - including tapes, adhesives, greases, gels, pastes, elastomeric pads, phase change materials, graphite, solders, compressible materials and liquid metals - will grow from $1.7 billion in 2015 to $3.7 billion in
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Date:
04/15/2015
Vicor expands its Picor Cool-Power ZVS Regulator family with their latest buck-boost regulators

Picor Cool-Power ZVS Point of Load (POL) Regulators

Vicor expands its Picor Cool-Power ZVS Regulator family with their latest buck-boost regulators
Vicor announced the expansion of its Picor Cool-Power ZVS Point of Load (POL) Regulator portfolio with the introduction of its new, high efficiency PI3749, PI3751, and PI3755 buck-boost regulators. • By minimizing switching losses, Picor’s ZVS topology enables efficiencies over 98% – maintains a high ef
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Date:
04/14/2015
Energy Focus' tubular LED works with or without a ballast for flourescent retrofit
Energy Focus, a leader in LED lighting technologies, announced that it has completed the development of and has been granted all regulatory approvals, including the Underwriters Laboratories (UL) certification, to launch an innovative and novel new family of LED lighting products, Intellitube, for use in th
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Date:
04/08/2015
EPA honors 2015 Energy Star Partners of the Year
The U.S. Environmental Protection Agency (EPA) and the U.S. Department of Energy (DOE) are honoring 128 businesses and organizations in 33 states with the Energy Star’s Partner of the Year award for their commitment to saving energy and protecting the environment through superior energy efficiency achievements. Aw
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Date:
04/08/2015
TI shows their new buck-boost controller IC (PSDtv)
In this episode of PSDtv Texas Instruments shows their new buck-boost controller IC to Power Systems Design at APEC 2015. The LM5175 manages input voltages from 3.5 V to 42 V and regulates output voltages from 0.8 V to 55 V. This flexibility enables the controller to deliver high-performance designs for in
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Date:
04/03/2015
Fairchild details their latest lighting drivers at APEC 2015 (PSDtv)
In this episode of PSDtv Fairchild details their latest lighting solutions at APEC 2015 for Power Systems Design. The FL7733A single-stage primary-side-regulated (PSR) flyback LED driver delivers constant brightness and instant flicker-free turn-on for a variety of indoor and outdoor LED applications, and the
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Date:
04/01/2015
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