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Lighting & Illumination

May 2020
TTI Lets You
TTI, Inc., is now stocking the APTD1608 family of lensed LEDs from Kingbright. These focused products are targeted for backlighting and indication in industrial and medical equipment applications.  Kingbright is offering 1.6 mm x 0.8 mm SMD LEDs with a low profile 0.95 mm thickness. With a molded-in lens to p
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Date:
05/29/2020
Area Light Allows for High Installation Flexibility
  Dialight announced the availability of new upgrades to the Vigilant and SafeSite Area Light. The new Universal Mounting Adapter (UMA) sold as an accessory allows the greatest stock flexibility ever offered to distributors by Dialight for oil and gas, petrochemical, mining, manufacturing and heavy indu
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Date:
05/27/2020
Current-Sensing Chip Resistor Offers Power Rating up to 5W
Applications requiring power control and monitoring are becoming more demanding. Specifically, added functionality and higher power requirements require higher efficiency, high accuracy, and higher power handling. Products that only required a 1 or 2W current sense resistor in the past may now desire a 3, 4, or
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Date:
05/26/2020

Vishay Seven Segment Displays in Stock at TTI
TTI, Inc., is now offering Vishay's full line of seven segment displays. These high intensity thru hole and SMD products are available in single to 4-digit options for many product applications. Vishay's seven segment offering covers a wide variety of packages, segments and colors. These parts are optimized f
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Date:
05/20/2020
LED Driver for Stable Lighting During Battery Voltage Drops
ROHM recently announced the development of an ultra-compact high output linear LED driver IC (BD18336NUF-M) that provides stable lighting even in the event of battery voltage drops on a single chip, making it ideal for a broad range of socket-type LED lamps used in vehicle systems, from DRLs (Daytime Running La
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Date:
05/19/2020
Efficient, 'Green' Quantum-Dot Solar Cells Exploit Defects

Scanning electron microscope image of electrodes infiltrated with quantum dots (left) and the corresponding distributions of Cu, In, Zn and Se across the film thickness.

Novel quantum dot solar cells developed at Los Alamos National Laboratory match the efficiency of existing quantum-dot based devices, but without lead or other toxic elements that most solar cells of this type rely on. "This quantum-dot approach shows great promise for a new type of toxic-element-free, inexpensi
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Date:
05/18/2020
PSDcast -- Smart Control for At-Home Lighting Applications

Bruno Damien from On Semiconductor

With most of us stuck inside, I'm sure many of you are catching up on personal projects, including smart home systems and connected lighting. So I thought it'd be instructive (and hopefully entertaining) to discuss the potential for these exciting technologies, and we're excited to have Bruno Damien from On Semic
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Date:
05/15/2020
Silicon Labs SoCs, Now at Mouser, Deliver Secure Performance
Mouser Electronics, Inc., is now stocking the latest Wireless Gecko system-on-chip (SoC) families from Silicon Labs. The new SoCs are highly energy efficient, delivering exceptional battery life for a range of Internet of Things (IoT) applications. The Silicon Labs EFR32BG22 (BG22) SoCs are single-chip so
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Date:
05/11/2020
New Customizable Shelf Light Bars from Environmental Lights
  Environmental Lights announces the launch of new Customizable Shelf Light Bars. Customizable Shelf Light Bars are the ideal lighting solution for convenience store displays, retail gondolas or any shelving system that needs discreet product lighting. They are available in multiple sizes and connec
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Date:
05/06/2020
Dialight's GRP LED Linear Receives Zone 1 Certification
  Dialight Group's new SafeSite Glass Reinforced Polyester (GRP) linear light has now been certified for use in ATEX Zone I Hazardous Areas. Already certified for use in Zone 2 Hazardous Areas at the product's launch in October, the enhanced certification for the rugged new fitting  opens up the
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Date:
05/06/2020
Broadband Enhancement Relies on Precise Tilt

Broadband enhancement of the on-chip single photon extraction via tilted hyperbolic metamaterials. A quantum emitter is positioned very close to a hyperbolic metamaterial, whose optical axis is tilted with respect to the end facet of nanofiber.

Quantum photonics involves a new type of technology that relies on photons, the elementary particle of light. These photons can potentially carry quantum bits of information over large distances. If the photon source could be placed on a single chip and made to produce photons at a high rate, this could enable hi
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Date:
05/05/2020
Monolithic 65 V, 8 A Step-Down Regulators with Fast Transient Response

Click image to enlarge

Figure 1. 12 V, 8 A application using LT8645S at 400 kHz

The LT8645S and LT8646S are 65 V synchronous step-down monolithic regulators capable of supporting 8 A outputs. Their Silent Switcher 2 architecture enables exceptional EMI performance regardless of layout. The LT8646S features RC external compensation to optimize transient responses. Wide In
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Date:
05/03/2020
Solar Inverter Design

Figure 1: Replacing a SJ with a SiC MOSFET, switching loss decreases significantly

Due to the ever-increasing demand for a clean and renewable source of energy, installing solar systems has accelerated significantly in the last decade. Contemporary solar applications require very highly efficient, power-dense and lightweight grid-tied inverters. Traditionally, IGBT has been the device of
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Date:
05/03/2020
In Search of the Lighting Material of the Future

Smolentsev in front of SwissFEL

At the Paul Scherrer Institute PSI, researchers have gained insights into a promising material for organic light-emitting diodes (OLEDs). The substance enables high light yields and would be inexpensive to produce on a large scale - that means it is practically made for use in large-area room lighting. Researchers ha
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Date:
05/01/2020
Twisting 2D Materials Uncovers Their Superpowers

The twist angle between the layers governs the crystal symmetry and can lead to a variety of interesting physical behaviours, such as unconventional superconductivity, tunnelling conductance, nonlinear optics and structural super-lubricity.

Two-dimensional (2D) materials, which consist of a single layer of atoms, have attracted a lot of attention since the isolation of graphene in 2004. They have unique electrical, optical, and mechanical properties, like high conductivity, flexibility and strength, which makes them promising materials for such th
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Date:
05/01/2020