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RF Power

Wireless charging chipset provides 30 W of power

July 25, 2019 By Aimee Kalnoskas Leave a Comment

P9415

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 […]

Filed Under: RF Power Tagged With: integrateddevicetechnology, renesaselectronicscorp

Half-brick dc/dc converters target 700-W RF power amp applications

September 4, 2018 By Aimee Kalnoskas Leave a Comment

PKJ4716APIHS power modules

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 […]

Filed Under: RF Power Tagged With: flexpowermodules

New crystal structure triples output power of GaN transistors, expands radar observation range

August 10, 2018 By Aimee Kalnoskas Leave a Comment

GaN transistors

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 […]

Filed Under: Power Supply News, RF Power, Transistors Tagged With: fujitsulaboratories, fujitsulimited

GaN HEMT RF power devices handle 250 W, work up to 3 GHz

August 24, 2017 By Aimee Kalnoskas Leave a Comment

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 […]

Filed Under: Power Components, RF Power, Semiconductor Tagged With: cree, wolfspeed

Wireless power charging kit compatible with AirFuel Alliance class 4 spec

August 12, 2017 By Aimee Kalnoskas Leave a Comment

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 […]

Filed Under: RF Power, Wireless Tagged With: efficientpowerconversion

50-V GaN MMICs handle D-Day radar apps

May 24, 2017 By Aimee Kalnoskas Leave a Comment

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 […]

Filed Under: RF Power, Transistors Tagged With: wolfspeed

Top power electronics threads on EDAboard.com – December

January 3, 2017 By Aimee Kalnoskas Leave a Comment

(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 […]

Filed Under: AC-DC, Controllers, Converters, DC-DC, Featured, Industry Experts, MOSFETS, Power Components, Power Management, Regulators, RF Power, Simulation

GaN HEMT targets C-Band radar systems.

September 8, 2016 By Aimee Kalnoskas Leave a Comment

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 […]

Filed Under: RF Power, Transistors Tagged With: cree, wolfspeed

15-W wireless power transmitter IC certified to Qi standard

July 26, 2016 By Aimee Kalnoskas Leave a Comment

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 […]

Filed Under: RF Power, Wireless Tagged With: texasinstrumentsinc

Tool simplifies selection of wireless charging transmit/receive coils

July 25, 2016 By Aimee Kalnoskas Leave a Comment

Waldenburg (Germany), 25 July 2016 – Würth Elektronik eiSos is the manufacturer with the world’s broadest product spectrum of wireless power charging coils. Now the company provides developers with a tool to simplify selection of the right transmitter and receiver coils. Mix and Match, like the world’s most precise AC loss calculator for power inductors, […]

Filed Under: Battery Management, Power Management, RF Power Tagged With: würthelektronik

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