GaN Power Devices: Overcoming Short Circuit and Overvoltage Challenges | 2026 Update - News and Statistics - IndexBox

As electricity increasingly replaces fossil fuels across expanding applications, engineers designing systems require switches and power converters capable of handling elevated source voltages and seve... Read original →

The reliability gap in GaN power devices under short-circuit and overvoltage stress is triggering a full-stack reassessment—from epitaxial substrates to system-level protection. Upstream SiC wafer suppliers are accelerating low-defect GaN-on-SiC development, while downstream automotive OEMs delay 800V traction inverter adoption, forcing co-design of gate drivers and fault-detection ICs. The EU’s new Power Electronics Efficiency Regulation now mandates robustness certification, raising compliance costs for Taiwan, China and Southeast Asian OSATs. Meanwhile, U.S. CHIPS Act funding increasingly favors wide-bandgap semiconductors, deepening tech fragmentation. Infineon and Wolfspeed leverage vertical integration to lock in 'material-to-system' advantages, whereas Navitas and GaN Systems pivot to intelligent protection algorithms. Over the next 18 months, GaN will scale first in data centers and solar inverters—but automotive adoption hinges on AEC-Q101 Rev-D updates. The real inflection point isn’t performance; it’s industry-wide consensus on failure-mode standards.