Here are the power electronics features that got the most interest from readers in 2017. Teardown: Inside Ikea’s smart LED bulb As smart LED bulbs go, this one is pretty simple. It doesn’t incorporate any sort of smartphone app and can’t be controlled over the Internet, like some other smart bulbs […]
Wireless
Wireless-charging IC juices up smartphones and tablets
The relative convenience of performing multiple tasks on your phone and tablet is often offset by the frustration of having to charge your devices sometimes multiple times a day. Consumer applications accounted for more than 55 percent of the overall wireless charging market share in 2016, according to Global Market Insights. Major smartphone manufacturers, said […]
Reference design covers no-neutral wireless wall switches for smart-home lighting
Typically, smart wall switches with wireless connectivity, occupancy/vacancy sensing and/or voice control require a neutral return wire to power the unit, which is not always available in retrofit situations. No-neutral products are available for legacy incandescent bulbs because the small AC input current that is allowed to leak through the load when the smart-switch is […]
Demo kits for eGaN FETs cover wireless charging standards
Efficient Power Conversion Corporation (EPC) announces the availability of two new demonstration kits – the EPC9127, a complete wireless power kit including a 10 W, class 2 amplifier, category 3 receiver device and the EPC9128, consisting of a 16 W, class 3 amplifier and two receiver devices (categories 3 and 4). These systems, coupled with […]
Free tool helps combine wireless charging coils
Würth Elektronik eiSos is the provider with the world’s broadest product spectrum of wireless power charging coils. The company places a tool at developers’ disposal which facilitates selection of the appropriate transmitter and receiver coils. Mix and Match is a free-of-charge offering from Würth Elektronik eiSos. As with REDEXPERT – the world’s most precise AC loss calculator […]
Wireless power charging kit compatible with AirFuel Alliance class 4 spec
Efficient Power Conversion Corporation (EPC) today announces the availability of a complete class 4 wireless power charging kit, the EPC9120. The system can transmit up to 33 W while operating at 6.78 MHz (the lowest ISM band). The purpose of this demonstration kit is to simplify the evaluation process of using eGaN FETs for highly […]
Teardown: The super-adjustable Ketra A20 LED bulb
Ketra unapologetically charges $100 for its A20 LED bulb, and the bulb needs a controller to work. Here’s what you find inside the bulb that makes it worth the premium price. A tunable A20-style LED light bulb from Ketra, in Austin, Tex., may be the world’s most expensive classic LED bulb. It lists at about […]
Wireless self-powered BLE wall switches handle LED lighting systems
EnOcean has launched a new product line for wireless and self-powered LED lighting controls for open standards under the brand Easyfit, which will be presented at Smart Lighting 2017 Conference (Hamburg, May 30-31, 2017). The Easyfit product line includes wireless and self-powered wall switches based on Bluetooth Low Energy radio standard for LED lighting systems for […]
Premier Farnell in distribution agreement with Dialog Semiconductor
Premier Farnell announced a new global franchise agreement with Dialog Semiconductor. The agreement further enhances Premier Farnell’s semiconductor power management and wireless product ranges. Dialog Semiconductor products offer high-performance power saving solutions, particularly for smartphones, power adapters, solid state lighting and emerging IoT applications. They bring decades of experience to the rapid development of ICs […]
Logic-level MOSFETs optimized for wireless charging apps
Infineon Technologies AG introduces a new logic level IR MOSFET™ family. It comprises three different voltage classes, 60 V, 80 V, and 100 V. The new devices are available in a 2 mm x 2 mm PQFN package which is perfect for form-factor critical wireless charging, adapter, and telecom applications. The small package size enables […]