Renesas Electronics Corporation introduced the ISL9122A, a flexible buck-boost switching regulator with bypass mode that provides ultra-low quiescent current (IQ) for powering sensors, microcontrollers (MCUs), wireless devices, and other system components. Operating with battery output from 1.8V to 5.5V, the ISL9122A extends the battery life of smart IoT devices powered by coin-cell, lithium, and multiple […]
RF Power
Wireless charging chipset provides 30 W of power
Integrated Device Technology, Inc., a wholly-owned subsidiary of Renesas Electronics Corporation announced sampling of the P9415 receiver and P9247 transmitter that work together to enable smartphones to charge wirelessly with up to 30W of power, narrowing the charging time gap between wireless and wired charging options. The P9415 receiver accommodates up to 20V out of the onboard […]
Half-brick dc/dc converters target 700-W RF power amp applications
Flex Power Modules announced the release of the PKJ4000 series of DC/DC converters primarily targeting radio frequency power amplifier (RFPA) applications within the telecom market segment. The PKJ4000 series delivers 28V DC or 50V DC at up to 700W of power from an input voltage range of 36V to 75V. Packaged in the industry-standard half-brick […]
New crystal structure triples output power of GaN transistors, expands radar observation range
Fujitsu and Fujitsu Laboratories have succeeded in developing a transistor that can provide both high current and high voltage in gallium-nitride (GaN) high electron mobility transistors (HEMT), effectively tripling the output power of transistors used for transmitters in the microwave band. Fujitsu’s crystal structure improves operating voltage by dispersing the applied voltage to the transistor, and […]
GaN HEMT RF power devices handle 250 W, work up to 3 GHz
Wolfspeed, A Cree Company and a leading global supplier of GaN-on-SiC high electron mobility transistors (HEMTs) and monolithic microwave integrated circuits (MMICs) with best-in-class reliability, has extended its family of 50V unmatched GaN HEMT RF power devices by adding a 250W part with a frequency range up to 3.0GHz and the highest efficiency of any comparably-rated […]
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 […]
50-V GaN MMICs handle D-Day radar apps
Wolfspeed, A Cree Company has introduced two new GaN MMICs, the first 50V GaN devices specifically designed for S-band radar (2.7–3.5GHz) applications. These new 50V GaN MMICs enable radar systems designers to reduce time to market with a less costly, less complex, 50V power amplifier line-up, while delivering the most efficiency possible. With a best-in-class combination […]
Top power electronics threads on EDAboard.com – December
(editor’s note: Intrigued by these power electronics problems? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the power electronics forum thread.) Designing adjustable voltage SMPS – I am planning to make an adjustable voltage SMPS. How do I […]
GaN HEMT targets C-Band radar systems.
Wolfspeed, A Cree Company and a leading global supplier of GaN-on-SiC high electron mobility transistors (HEMTs) and monolithic microwave integrated circuits (MMICs) with best-in-class reliability, announces their complete lineup of high efficiency, high gain, and wide bandwidth C-Band radar parts with the market introduction of the new CGHV59070 GaN HEMT for C-Band radar systems. Designed […]
15-W wireless power transmitter IC certified to Qi standard
Texas Instruments (TI) (NASDAQ: TXN) today introduced the industry’s first Wireless Power Consortium (WPC) v1.2 Qi-certified 15-W wireless power transmitter. The bq501210 enables 84 percent system efficiency with significantly less thermal dissipation than traditional wireless power devices. The transmitter supports multiple fast-charging protocols and offers an array of flexible and customizable features such as personal […]
