All items tagged with product development and GaN (8)

Everything That's Audio in audioXpress December 2023

November 14, 2023 by audioXpress Staff

Everything That's Audio in audioXpress December 2023

audioXpress December 2023 includes a market overview of multiroom audio, Brent Butterworth writes about new ways to measure ANC earbuds, and Stuart Yaniger measured the new Axign and GaN Systems Class-D audio amplifier board. Richard Honeycutt writes about tubes, BJTs, JFETs, MOSFETs, and ICs, and Dimitri Danyuk, discusses JFETs in audio circuits. Douglas Self explains how to optimize variable-frequency tone controls, and Jan Didden shares his eDD direct-drive amplifier project.

STMicroelectronics Receives USB-IF Certification for Complete 140W USB PD 3.1 Solution

March 6, 2023 by Cristina Costa

STMicroelectronics Receives USB-IF Certification for Complete 140W USB PD 3.1 Solution

STMicroelectronics has achieved USB-IF (USB Implementers Forum) certification of two ICs for use in adapter (source) and device (sink) sides of a USB Power Delivery (USB PD) EPR power supply/charger product. The new ICs extend the range of a universal charger to 140W, allowing for a single AC to DC adapter to charge equipment such as computers, smart-home actuators, power tools, and e-bikes, as well as traditional applications including smartphones, TWS earbuds, and Bluetooth speakers.

GaN Systems and Axign Demonstrate New 500W Class-D Reference Audio Amplifier

January 7, 2022 by Joao Martins

GaN Systems and Axign Demonstrate New 500W Class-D Reference Audio Amplifier

GaN Systems, the leading GaN power semiconductor specialist and audio technology innovator Axign, debuted a new groundbreaking GaN-based 500W Class-D audio amplifier. This reference design merges best-in-class technologies, including GaN Systems’ GaN power transistors and Axign’s Class-D controller, enabling companies to create unique audio systems that are smaller, sleeker, more efficient, more powerful, and provide better audio quality than previous generations.

GaN Systems Updates Reference Design for Class-D Audio Amplifiers

January 7, 2022 by Joao Martins

GaN Systems Updates Reference Design for Class-D Audio Amplifiers

GaN Systems, the GaN (gallium nitride) power transistor specialist, announced an updated version of its Class-D audio amplifier evaluation kit, allowing evaluation for high-efficiency audio reference designs. Evolving from the original evaluation kit introduced in 2020, GaN Systems released the GeN2 amplifier and companion switched-mode power supply reference design today, shrinking the size and increasing its capabilities for Class-D audio designs.

EPC Introduces 12V – 48V 500W GaN Boost Converter in Collaboration With Renesas

January 6, 2022 by Cristina Costa

EPC Introduces 12V – 48V 500W GaN Boost Converter in Collaboration With Renesas

EPC announced the availability of the EPC9166, a 500W DC-DC demo board that converts a 12V input to 48V output. The EPC9166 demo board demonstrates the Renesas ISL81807 80V two-phase synchronous boost controller with the latest generation EPC2218 eGaN FETs from EPC to achieve greater than 96.5% efficiency in a 12V input to 48V regulated output conversion with 500kHz switching frequency. The output voltage can be configured to 36V, 48V, and 60V. The board can deliver 480W power without a heatsink.

Accelerating Audio Innovation with GaN in Class-D Amplifiers

December 17, 2020 by Paul Wiener

Accelerating Audio Innovation with GaN in Class-D Amplifiers

Smaller, lighter, and better sounding Class-D audio systems with GaN (gallium nitride) were one of the technology trends in 2020. GaN Systems predicts that by the end of 2021 a significant number of the world’s noteworthy brands in the audio market will be offering GaN-based Class-D audio solutions. In this article , Paul Wiener (GaN Systems) explains why the technology benefits from three important trends, now influencing the rise of the predominance of audio in both consumer experiences and technology design.

Infineon Expands CoolGaN Portfolio with New Device Tailored for Premium Audio Systems

October 29, 2019 by audioXpress Staff

Infineon Expands CoolGaN Portfolio with New Device Tailored for Premium Audio Systems

Infineon Technologies broadened its CoolGaN series with two new devices: the CoolGaN 400 V and the CoolGaN 600 V. Gallium nitride (GaN) offers fundamental advantages over silicon, with outstanding specific dynamic on-state resistance and smaller capacitances compared to silicon MOSFETs. The new CoolGaN 400 V device will appeal to audio product designers looking for a premium solution for home or professional Class D amplifiers.

Orchard Audio Launches Kickstarter Campaign for BOSC Monoblock GaN Audio Amplifier

September 24, 2019 by audioXpress Staff

Orchard Audio Launches Kickstarter Campaign for BOSC Monoblock GaN Audio Amplifier

There is a very interesting new audio project being promoted on Kickstarter. Coming from Orchard Audio, the BOSC is a well engineered hi-fi monoblock audio amplifier that explores the latest gallium nitride (GaN) semiconductor technology to achieve ultra-high performance in a small package. This compact and affordable 150 watt amplifier shows a lot of potential, with an impressive circuit design and high-quality sound, and is available in 3-4Ω (13.8dB gain) or 6-8Ω (16.8dB gain) versions.