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Transphorm Partners with Allegro MicroSystems to Improve GaN Power System Performance in High Power Applications

Update time : 2023-12-21 11:58:08

Transphorm, Inc. (Nasdaq: TGAN), a leading global supplier of gallium nitride (GaN) power semiconductors, announced that it has partnered with Allegro MicroSystems, Inc. (Allegro) (Nasdaq: ALGM), a global leader in power and sensing semiconductor technologies for motion control and energy-efficient systems. (Allegro) (Nasdaq: ALGM), a global leader in power and sensing semiconductor technologies for power supply and sensing systems, has partnered with Transphorm to expand its GaN power system design for high-power applications using Transphorm's SuperGaN® field effect transistors and Allegro's AHV85110 isolated gate drivers.

Transphorm's SuperGaN FETs are available in a variety of topologies and can be offered in multiple package formats to support a wide range of power stages for different end-market applications.SuperGaN FETs have been used in a wide range of commercial products and have provided significant improvements in reliability, power density and efficiency in high-power systems.
Allegro's self-powered, single-channel isolated gate driver ICs are optimized to drive GaN FETs in a wide range of applications and circuits. The AHV85110 has been verified to offer a 50% improvement in drive efficiency compared to comparable gate drivers from friendly vendors. This unique solution greatly simplifies system design by reducing circuit disturbances by a factor of 10 and common mode capacitance by a factor of 15 compared to other solutions on the market.
Allegro's AHV85110 high-voltage gate driver provides a highly compact and efficient power application solution that requires minimal external circuit components and bias supplies for Transphorm power devices, thus reducing board area by approximately 30 percent," said Tushar Dhayagude, vice president of global sales and field applications for Transphorm. board area by approximately 30 percent, which, combined with SuperGaN's extremely high reliability and outstanding dynamic switching performance that outperforms competitive technologies, will ultimately result in a more efficient, robust and power-dense solution for critical applications such as servers, data centers, renewable energy and electric vehicles."
Vijay Mangtani, vice president and general manager of the High Voltage Power Business Unit at Allegro MicroSystems, said, "We are pleased to be working with Transphorm to help Allegro better optimize the development and design of GaN-based systems for our customers. We look forward to combining Allegro's high-voltage isolated gate driver, the AHV85110, with Transphorm's SuperGaN field effect transistors to deliver value to Allegro and Transphorm's customers by realizing higher power densities, higher efficiencies, and higher power outputs in a smaller footprint. "
Interested users can test this collaborative solution from Transphorm and Allegro using Allegro's APEK85110KNH-06-T evaluation board. The board integrates the AHV85110 driver for various applications and three of Transphorm's recently released devices in TOLL packages with on-resistance of 35, 50 and 72 milliohms.

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