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LED Lighting

AEC-Q101-qualified p-channel MOSFET offers ON-resistence down to 30 mΩ

January 13, 2021 By Redding Traiger Leave a Comment

Vishay Intertechnology, Inc. today introduced a new AEC-Q101 qualified p-channel -100 V TrenchFETMOSFET designed to increase power density and efficiency in automotive applications. Not only is the Vishay Siliconix SQJ211ELP the industry’s first such device in the compact 5 mm by 6 mm PowerPAK SO-8L package with gullwing leads, but it also features best in […]

Filed Under: Automotive, Development Tools, LED Lighting, MOSFETS, Power Management Tagged With: vishayintertechnology

Single IC integrates power, voltage, and current monitoring, reinforced isolation

January 6, 2021 By Redding Traiger Leave a Comment

Allegro MicroSystems announced the launch of the ACS37800, a Hall-effect power monitoring IC for single-phase AC and DC solutions in a small PCB footprint. Another industry-first innovation, Allegro’s ACS37800 is an integrated power monitoring chip that allows simultaneous measurement of power, voltage, and current for AC and DC signals with an isolation rating of up […]

Filed Under: Development Tools, Industrial, LED Lighting, Lighting, Motors and motor control, Power Management, Telecommunications Tagged With: allegromicrosystems

Power-management ICs optimized for use in laptops

December 17, 2020 By Redding Traiger Leave a Comment

MagnaChip Semiconductor Corporation announced a new line of power management integrated circuits (PMIC) by introducing its first UHD display panel PMIC for laptops. PMICs are integrated circuits that include multiple power management functions within a single chip, and they are frequently used to power space-constrained devices where high-efficient and compact form factors are required. They […]

Filed Under: batteries, Development Tools, LED Lighting, modules, Power Management, surge protection Tagged With: magnachipsemiconductor

Project: Implementing a 4xN LED driver

December 16, 2020 By Aimee Kalnoskas Leave a Comment

4xN LED driver

by Dialog Semiconductor LED displays are widely used in systems ranging from digital clocks, counters, timers, electronic meters, basic calculators, and other electronic devices capable of displaying numerical information. Figure 1 depicts an example of a 7-segment LED display which can show decimal numbers and characters. As each segment on the LED display can be […]

Filed Under: FAQ, Featured, LED Lighting

Want to kill Covid? 30 sec under 285-nm UV-LEDs will do it

December 15, 2020 By Lee Teschler 1 Comment

UV LED

Researchers from Tel Aviv University found that UV light at a wavelength of 285 nm was almost as efficient in disinfecting the Covid virus as a wavelength of 265 nm, requiring less than half a minute to destroy more than 99.9% of the coronaviruses. They say this result is significant because the cost of 285-nm […]

Filed Under: Covid-19, FAQ, Featured, LED Lighting Tagged With: covid, FAQ

Eval board wrings out LED power modules, includes analog and PWM dimming

December 7, 2020 By Redding Traiger Leave a Comment

With the MagI³C-LDHM (LED Step Down High Current Module) Power Module, Würth Elektronik now has the perfect solution for LED power supply in its portfolio. To make it even easier for developers to use these DC-DC converters with integrated controller IC, inductors, and capacitors—Würth Elektronik now offers an LDHM Evaluation Board. It integrates an efficient […]

Filed Under: Development Tools, LED Lighting, Lighting, Power Management, power modules Tagged With: würthelektronik

High-Voltage 700/800-V super junction MOSFETs target TVs, LED lighting and fast chargers

December 3, 2020 By Redding Traiger Leave a Comment

MagnaChip Semiconductor Corporation announced eight new 700V and 800V series high-voltage Super Junction Metal Oxide Semiconductor Field Effect Transistors (SJ MOSFETs), featuring high performance and efficiency and optimized for TV, LED lighting, and fast charger applications. MagnaChip began SJ MOSFET development in 2013. Cumulative shipments have now reached 1.5 billion units, and the company’s flagship […]

Filed Under: Industrial, LED Lighting, MOSFETS, Transistors Tagged With: magnachipsemiconductor

Offline converter IC integrates PWM, control components

December 2, 2020 By Redding Traiger Leave a Comment

The latest addition to the VIPerPlus series, the VIPer31 compact high-voltage converter IC from STMicroelectronics enables robust power-converter solutions that deliver excellent reliability and meet energy-saving eco-design norms while saving bill-of-materials (BoM) costs. VIPer31 is optimized for commonly used offline AC/DC converter topologies, including isolated and non-isolated flyback, buck, and buck-boost converters. The compact, highly integrated IC requires […]

Filed Under: AC-DC, Automotive, Converters, Development Tools, Industrial, LED Lighting, Lighting, MOSFETS, Motors and motor control Tagged With: stmicroelectronicsinc

Smart lighting base supports presence, light and activity detection

November 19, 2020 By Redding Traiger Leave a Comment

The LUMAWISE Endurance N Enhanced Base from TE Connectivity makes it simple to integrate innovations in street lighting controls. As smart cities become smarter and require more complex systems, LUMAWISE offers a streamlined product platform that supports modularity across lighting control products. LUMAWISE supports applications such as presence, light, and activity detection as well as […]

Filed Under: Development Tools, LED Lighting, Lighting, Power Management, Security Tagged With: teconnectivity

Bidirectional buck-boost, dual-phase buck DC/DC controllers handle 48-V apps

November 18, 2020 By Redding Traiger Leave a Comment

The ISL81801 buck-boost controller acts as a “UPS on a chip” by enabling bidirectional current flow (forward or reverse) using constant-voltage and constant-current regulation. This allows a battery or supercapacitor to be charged and discharged using a single controller and power path. The ISL81801’s combination of the industry’s highest 80V buck-boost switching frequency (600 kHz) […]

Filed Under: Controllers, DC-DC, Development Tools, LED Lighting, Power Management, Telecommunications Tagged With: renesas

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