GaN chips optimised for cryptocurrency mining

March 05, 2021 // By Rich Pell
GaN devices meet crypto mining power supply needs
GaN power semiconductor company Transphorm has announced that its device portfolio is optimally designed for high performing power supply units (PSUs) mining cryptocurrency such as Bitcoin.

Transphorm is the only high-voltage GaN supplier to publicly announce a customer's products currently in production are known to be used for cryptocurrency mining.

"Transphorm is uniquely positioned to service the crypto mining industry like no other GaN supplier," said Kenny Yim, Vice President of Asia Sales, Transphorm. "We have the right platform, in the right packaging that delivers the required performance and reliability. Plus, we have the proven experience with customers already in production. As the Bitcoin market continues to ramp, the power supply capabilities will need to keep pace. We’ll be the company helping PSU manufacturers do just that."

The company says its products can help address the power problem associated with Bitcoin mining - a power-hungry process involving heavy computation to verify transactions, and one in which the power supply has been identified as "the component that takes the most stress in a cryptocurrency mining rig." 

The requirements for mining-ready PSUs include a minimum one-year warranty for the ability to operate 24/7 under full load at temperatures ranging between 30°C to 35°C and 230VAC input capability to achieve 1 to 2% higher efficiency

The CORSAIR AX1600i 1600-W ATX power supply has been identified as the choice PSU to support crypto mining as it meets and exceeds the above requirements. That device, says the company, is powered by its GaN FETs in an AC-to-DC power factor correction (PFC) power stage to maximize efficiency no matter the input voltage and comes with a 10-year warranty.

Transphorm says its GaN platform differs from competitive solutions in ways that are crucial to meeting crypto mining PSU performance requirements. For example, it is one of the few high-voltage GaN manufacturers that is vertically integrated, controlling the innovation and advancement of the FET design itself, the epitaxial starting material, and the manufacturing process.

Currently, says the company, it is continuing to drive design wins into higher power applications to include crypto mining PSUs ranging from 1600


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