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A vital power electronic component known as a traction inverter transforms a direct current (DC) supply from the car’s batteries into an alternating current (AC) output.Although they are still in the early stages of development for automotive applications, gallium nitride (GaN) semiconductors are fast advancing towards higher voltages.
Blu-ray discs are read using a blue light that gallium nitride emits. Gallium nitride is also utilised in lasers, photonics, RF components, and semiconductor power devices. GaN will be used in sensor technologies in the future.
The Global EV GaN(Gallium Nitride) Traction Inverter market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
VisIC Technologies paves the way to high-power GaN traction inverters, successfully operating a BEV motor.At a significant automobile OEM, VisIC Technologies Ltd. successfully tested their 2.2m 650V half-bridge power module, which consists of four parallel 8m Power FETs, in a 3-phase arrangement on a dyno-test-bench.
VisIC Technologies has therefore demonstrated the suitability of its D3GaN (Direct Drive D-Mode Gallium-Nitride) semiconductor technology for even the most demanding high-power automotive applications. The issues of oscillations brought on by fast-switching transients and parallelization have been dealt with.
While the 2.2m Power Module is capable of greater currents, the test system set-up restrictions prohibited the inverter phase current from reaching 350 Arms (500A peak) at 400V.
WLTP driving cycle testing was conducted, and despite employing early, non-optimized module prototypes, it produced efficiency levels equivalent to those of commercial silicon carbide-based modules.
This implies that D3GaN will live up to its promise of offering the maximum efficiency, reducing the cost of a car by using lighter, more compact power systems and batteries without reducing the vehicle’s range.
Additionally, the GaN-on-Silicon semiconductor process-based D3GaN technology is giving performance that is superior to Silicon Carbide (SiC) at a more affordable level than SiC.
