Analog Devices announces the Power by Linear LT3762, a 60V output, high efficiency, synchronous, boost LED driver controller with a programmable internal LED PWM signal generator and spread spectrum frequency modulation that yield low EMI noise. The versatile LT3762 includes a rail-to-rail current sense amplifier, enabling high side or low side current sensing that in addition […]
Applications
GaN-based wireless power amps provide 100 and 300 W
GaN Systems unveiled two wireless power amplifiers that will revolutionize the wireless charging market for high-power consumer, industrial, and transport applications. These new solutions include the 100 W power amplifier with ranges from 70 W to 100 W and the 300 W power amplifier with ranges from 150 W to 1 kW. GaN Systems is displaying […]
Class 4 wireless power kit transmits up to 33 W
Efficient Power Conversion Corporation (EPC) today announces the availability of a complete class 4 wireless power kit, the EPC9129. The system can transmit up to 33 W while operating at 6.78 MHz (the lowest ISM band). The kit comes complete with two receivers, each with a regulated output − one capable of 5 W capable […]
Wireless charging in vehicles — making the cables disappear
By Laird Technologies, Inc. According to a Mobility Report from Ericsson, there will be 6.1 billion smartphone users by 2020, or about 75% of the world’s population at that time. Today, it is estimated that there are 2.6 billion smartphone subscriptions globally. As a result, the mobile communications industry is moving faster than ever to […]
AC LED modules pass 4-kV surge testing
A 277-V ac lighting module using the NanoDriver Series LED driver complies with industry standard 4-kV surge testing. Prior to this, ac LED modules have been mainly used only in residential lighting applications due to the technology’s limited capability to meet the surge requirements for industrial and commercial applications. This demonstration module proves that it […]
Wireless charging, Part 2: implementation
Part 1 of this FAQ looked at the overall context of wireless charging of personal devices. This part looks in more detail at the approaches to wireless charging and the implementation specifics. Q: What approaches are available for wireless charging? A: There are three basic topologies: single-coil inductive, multi-coil inductive, and resonant. Q: What are […]
Wireless charging, Part 1: context
Wireless charging of devices is a hot and growing area. This FAQ explores the rationale and options for implementing this form of energy transfer, storage, and charging. Q: What is wireless charging? A: It consists of two functions which are closely linked. The first is the transmission of electricals power wirelessly from a transmitting source […]
Ultra-thin RF-to-dc converter IC charges devices wirelessly
Powercast Corporation announced a smaller Powerharvester wireless power receiver and RF-to-DC converter chip (PCC114) for its Powerharvester Chipset (comprised of a wireless power receiver chip and complementary boost converter IC). Designed for embedding in space-constrained consumer designs like smart cards or hearing aids, the new chip builds on Powercast’s existing Powerharvester receiver (PCC110), which has […]
Wireless charging: Will the exception soon become the rule?
by Aishwarya Vijay, Grand View Research, Inc. If you count the number of power cords you come across each day, right from your coffeemaker in the morning to plugging in your smartphone at the end of the day, the number could well be in the double digits. What would it be like to live a […]
Tiny LED 60W/12V and 100W/24V drivers double power density for signage applications
ERP Power LLC, a leading provider of small, smart and connected LED drivers for the lighting industry, today announced the world’s smallest constant voltage drivers for indoor and outdoor LED signage applications will be demonstrated May 8-10 at LIGHTFAIR® International 2018 in Chicago. The new VGM Series drivers are available in 60W/12V and 100W/24V models that deliver double […]
