Lighting & Illumination

January 2016

Powering the latest 20-nm FPGAs

Bruce Haug, Linear Technology

The sub-28 nanometer Field Programmable Gate Arrays (FPGAs) now available feature the in-dustry’s only hard floating-point digital signal processing (DSP) blocks with speeds up to 1,500 Gbps floating-point operations. Built on sub-28 nm process technology, these FPGAs provide up to 17.4 Gbps for long-reach ba

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Date:

01/29/2016

Current-mode control

Ray Ridley, Ridley Engineering

Current-mode control has been around in one form or another for almost 50 years now, but it is still a topic that creates much confusion in the minds of many engineers and researchers. In this series of articles, Dr. Ridley shows historical reasons for the confusion, and presents for the first time the source of

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Date:

01/29/2016

China’s predicted stumble

Ray Zinn, Founder of Micrel

China’s predicted stumble

Ray Zinn, Founder of Micrel

You have likely heard the news that despite economic stimulus, the Shanghai stock exchange dropped over 7% before “circuit breakers” kicked in. Had those government-mandated panic aversion tools not triggered, the one day drop would rival long-term market corrections. None of this, aside from the exact timing, wa

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Date:

01/29/2016

Bring back IrDA

Alix Paultre, Editorial Director, PSD

Bring back IrDA

Alix Paultre, Editorial Director, PSD

With all the buzz around optical data transfer technology development lately, especially in light of the push to empower small, low-power intelligent devices for the Internet of Things (IoT). What many forget is that there was and is a technology that is well-suited for final-feet connection between intelligent de

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Date:

01/29/2016

Flash in the pan

Alix Paultre, Editorial Director, PSD

Flash in the pan

Alix Paultre, Editorial Director, PSD

One of the beautiful things about being a wordsmith is that one finds all kinds of history, culture, and advice in many of the quaint and poetic turns of phrase that exist in the (American) English language. One such turn of phrase is “flash in the pan” which is so good at describing a situation that its us

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Date:

01/29/2016

The art of generating negative voltages

Frederik Dostal, Analog Devices

Most systems require multiple different voltage rails. Voltages below the system ground voltage, or zero voltage, are considered to be negative voltages. Such voltages are needed in many different applications. In power electronics, some switch types may not reliably be turned off if ground voltage is applied to

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Date:

01/27/2016

Higher efficiency through temperature compensation

Balaji Santhanam, Hubbell Power Systems, Mehdi Samii, Ametherm, and Kaushik Das, SANPRO Technologies

As electronic systems continue to become more compact, temperature plays an increasingly important role in system reliability and power efficiency. Many engineers are already familiar with how temperature can affect reliability; if a system becomes too hot, device operation can become unpredictable. Using a si

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Date:

01/27/2016

Rechargeable battery characterization

Blake Vermeer, Keysight Technologies

From cellphones to electric vehicles and smart grid energy storage, the use of rechargeable batteries is dramatically increasing. Engineers that design products that use these rechargeable batteries must be able to characterize the battery performance in their designs. Programmable bidirectional DC power supplies an

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Date:

01/27/2016

CoolMOS CE goes consumer

Srivatsa Raghunath, Infineon Technologies

Key criteria for designing power supplies units (PSU) for consumer applications are low cost, high efficiency, good thermal performance and low Electro-Magnetic Interference (EMI). Starting with an optimal power conversion topology assists the design process. Flyback topology is optimal for low and mid power PS

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Date:

01/27/2016

Power Integrations' highly-efficient LYTSwitch-5 ICs support multiple LED driver topologies

LYTSwitch-5 LED driver

Power Integrations' highly-efficient LYTSwitch-5 ICs support multiple LED driver topologies

Power Integrations, a leader in high-efficiency, high-reliability LED driver ICs, launched its LYTSwitch-5 single-stage LED driver IC family. LYTSwitch-5 devices combine PFC and constant-current output, and support multiple common LED driver topologies. Solid-state lighting applications have highly variable

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Date:

01/26/2016

Getting from 48 V to load voltage

David Reusch and John Glaser, Efficient Power Conversion

The emergence of commercially available and cost-effective gallium nitride (GaN) power transistors begins a new age in power electronics. There are significant benefits in using enhancement-mode gallium nitride FET (eGaN FET) devices in power converters for existing data center and telecommunications architectures ce

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01/25/2016

PSMA/PELS seminar tackles “black magic” in high-frequency power magnetics

The Power Sources Manufacturers Association (PSMA) and the IEEE Power Electronics Society (IEEE PELS) are jointly sponsoring an all-day workshop titled “Power Magnetics at High Frequency – Solving the Black Magic.” The workshop will be held on Saturday, March 19, 2016, prior to the start of APEC 2016 at th

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Date:

01/21/2016

Molex debuts high-speed solutions, processes, and partnership at DesignCon 2016

Molex exhibited their solutions at DesignCon 2016

Molex debuts high-speed solutions, processes, and partnership at DesignCon 2016

Molex showcased its extensive technical expertise and broad product portfolio at DesignCon 2016 Expo and Conference, held January 20-21 at the Santa Clara Conference Center in Santa Clara, CA. Demonstrations at Molex booth 817 highlighted products that meet growing demand for increased network bandwidth and adva

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Date:

01/21/2016

Cree's latest LED family enables lower system cost

Cree expands its industry-leading portfolio of lighting-class LEDs with the addition of the XLamp XQ-A LED to the XQ LED family. The compact, ceramic-based XQ-A enables lighting manufacturers to quickly and cost-effectively expand their product portfolios by leveraging an LED design that is similar to that of th

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01/20/2016

Allegro claims first automotive integrated buck LED driver with internally-generated PWM dimming

Allegro’s A6214 and A6216 devices

Allegro claims first automotive integrated buck LED driver with internally-generated PWM dimming

Allegro MicroSystems Europe announced two new single-IC switching regulators that provide constant-current output to drive high-power LEDs in automotive applications. These devices are the industry’s first to allow LED dimming without the need for local microcontroller or timer-based or PWM dimming control. Allegro’s A6214 and

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01/19/2016

Plessey to build LEDs in cubic GaN on Anvil Semiconductors' 3C-SiC/Si substrates

Plessey, Anvil Semiconductors and the University of Cambridge announced that they are working together to fabricate high efficiency LEDs in cubic GaN grown on Anvil's 3C-SiC / Si substrates. Cubic GaN has the potential to overcome the problems caused in conventional LEDs by the strong internal electric fields whic

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Date:

01/18/2016

Osram unveils smart LED lamp controlled by the Thread

Thread-compatible smart LED lamp

Osram unveils smart LED lamp controlled by the Thread

Smart lighting solutions are carving out their place in ever more living rooms. When it comes to smart homes, Osram has already demonstrated its innovative capacity in the past with its smart lamps and luminaires in the Lightify series. Now Osram is carrying on with the first smart LED lamp controlled by the Th

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01/07/2016

ZigBee Alliance creating end-to-end IoT product development solution

The ZigBee Alliance, a non-profit association of companies creating open, global standards that define the Internet of Things (IoT) for use in consumer, commercial and industrial applications, announced it is working with the Thread Group on an end-to-end solution for IP-based IoT networks. The solution will be

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Date:

01/05/2016

Lumileds’ LUXEON XR-M LED devices now at Mouser

LUXEON XR-M LED devices

Lumileds’ LUXEON XR-M LED devices now at Mouser

Mouser Electronics is now stocking LUXEON XR-M LED devices from Lumileds. These modular LED devices integrate three, four, or five LUXEON M LEDs on a metal core PCB, and can be connected in series or parallel, providing manufacturers with an easy-to-use solution for outdoor and industrial lighting applications.

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Date:

01/04/2016

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