GaN-on-GaN power semis
Power semiconductors based on gallium nitride (GaN) are heating up in the market.
Typically, suppliers are shipping devices using a GaN-on-silicon process. These devices are available with blocking voltages of up to 650 volts. Going beyond 650 volts is problematic, however. GaN-on-silicon processes suffer from lattice mismatches, cost and other issues.
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