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Ask the Expert - The application of SiC and GaN in electronics

Silicon Carbide and Gallium Nitride are two materials that are being more widely used in power electronics. Due to the wide bandgap, these two materials offer more electron mobility than Silicon, thus giving the advantage of power efficiency and speed, making them ideal for use in higher power circuits. For example, the rise in the use of EVs has seen a significant shift in the uptake of both materials as a solution to develop more energy-efficient technologies.

With both materials commonly referred to as an enabler of sustainability and sustainable engineering, it was great to catch up with Lisa Dietrich a vastly experienced Field Application Engineer from Broadcom to explore the application uses and the major differences between SiC and GaN materials and their applications.

Broadcom has the opportunity to provide a limited allocation of the evaluation boards as shown in this video. They are not available for purchase but can be granted upon request, via this link. Also, you can view more on Broadcom Reference Designs here.

ACFL 3161 Evaluation board

ACFL-3161 10-Amp Peak Gate Driver Optocoupler for SiC MOSFET/IGBT in SO-12 Package

Gate drivers available from RS

Coming soon from Broadcom is the ACFL-3262 a Dual Channel 10A peak Gate Drive.

Both these devices are important and essential for driving the emerging GREEN applications that require higher Voltage and higher Switching.

Both the ACFL-3161 & ACFJ-3262 are primarily designed with 10A high peak driving current capability to assure optimum performance for direct driving of MOSFETs or IGBTs in various applications. A fast propagation delay and tight channel-to-channel skew make them ideal for use at high-frequency.

For more products search Broadcom at RS.

Favourite things are Family, Music and Judo. Also, I have the ability to retain and quote useless facts, something that pleases me but can annoy others. My engineering hero - Isambard Kingdom Brunel
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