NXP Semiconductors announced a new automotive wireless charging reference design, the first to be certified by the Wireless Power Consortium (WPC), the global standard development body for wireless power, for its new Qi 1.3 standard. The reference design consists of a Qi-certified board with an NXP wireless charging MWCT family MCUs, as well as an […]
Wireless
Coil drivers address wireless charging apps
The AOZ32033AQI coil drivers from Alpha and Omega Semiconductor offers 30V, 11mOhm in a QFN3x3 package. AOZ32033AQI is an integrated half-bridge gate driver capable of driving high-side and low-side N-channel MOSFETs. It features SRC (Slew Rate Control) to adjust sink/source current and provide the ideal trade-off between efficiency and EMI optimization in the design of […]
Customizable large capacitor assemblies target automotive, military, aerospace applications
Knowles Precision Devices introduced a new customizable capacitor assembly for automotive, military, and aerospace applications. The custom approach to large capacitor assembly offers customers a unique combination of capability and durability while helping to maximize board space. The capacitor assemblies utilize the vertical space above the circuit board to achieve very high capacitance and very […]
RF amplifiers optimized for harsh operational conditions
Ampleon has announced a further expansion to its portfolio of next-generation amplifier ICs. These devices are based on the company’s Advanced Rugged Technology (ART). Thanks to the heavy-duty design employed, they are capable of dealing with the harshest of operational conditions. With 1400W and 1600W ratings, the devices in the new ART1K6x series operate over […]
100-W charge pump fast charging IC targets smartphones, mobile hardware
NuVolta Technologies announced its second-generation charge pump fast charging IC — NU2205, which is the first 100W charge pump fast charging IC in the whole industry. NU2205 is the leading fast charging IC for a 2S battery with a 4:2 charge pump fast-charging architecture for ultra-fast charging applications in flagship smartphones and other mobile devices. […]
What are TENGs and PENGs and what are they good for?
Small self-powered systems, including wireless sensors and small robots currently under development, can use triboelectric nanogenerators (TENGs) and piezoelectric nanogenerators (PENGs) as prime power sources. TENGs and PENGs offer large open circuit voltages, low materials cost, ease of fabrication, and good energy conversion efficiencies. TENGs use triboelectricity, commonly called static electricity, to convert common mechanical […]
1700 V SiC MOSFET die, discrete, and power modules combine to increase frequency switching
Today’s energy-efficient electric charging systems powering commercial vehicle propulsion, as well as auxiliary power systems, solar inverters, solid-state transformers, and other transportation and industrial applications all, rely on high-voltage switching power devices. To meet these requirements, Microchip Technology Inc. announced the expansion of its silicon carbide portfolio with a family of high-efficiency, high-reliability 1700V silicon carbide MOSFET […]
LDMOS power transistors optimized for RF power amplifiers
STMicroelectronics is adding a broad range of new devices to the STPOWER family of LDMOS transistors, which comprises three different product series optimized for RF power amplifiers (PAs) in a variety of commercial and industrial applications. Featuring high efficiency and low thermal resistance and packaged to handle high RF power, STPOWER LDMOS devices combine a […]
Wireless charging scheme delivers 300 W over 40 mm
Eggtronic has announced E2WATT, a new AC power technology that will boost the power, efficiency, charging distance, and data transmission capabilities of wireless charging applications. Offering efficiency comparable with the best conventional wired AC adapters, E2WATT provides the foundation for taking future mobile charging designs into new segments including laptops, AV equipment, and even home […]
Inductors target power circuits in wireless earphones
TDK Corporation has developed the PLEA67 Series of inductors for use in true wireless stereo (TWS)* devices. Mass production will begin in March 2021. This new series of inductors is intended for use in power circuits incorporated into wireless earphones used with smartphones, portable players, and similar devices. In addition to an impressive rated current […]
