en.Wedoany.com Reported - SK Key Foundry has announced the launch of its "Bi-SCR-based on-chip EMC protection technology" designed to enhance the electromagnetic compatibility (EMC) of automotive semiconductors, and has commenced mass production using the 0.13μm BCD process. The Bi-SCR structure employed in this technology combines trigger voltage adjustability, high current handling capability, and area efficiency, specifically developed to address the protection needs of automotive power semiconductors with tight space constraints and high integration. This solution enables EMC stress control within the chip, eliminating the need for external protection components—such as transient voltage suppression (TVS) diodes—commonly used in traditional system designs, thereby helping to balance circuit design and spatial efficiency.
Unlike previous devices focused on electrostatic discharge (ESD) protection during assembly processes, this technology is designed to control system-level EMC stress generated during vehicle operation from within the chip. Based on this mass production milestone, SK Key Foundry plans to expand its portfolio of protection devices leveraging high-voltage LDMOS, BJT, SCR, and diodes, and aims to extend its market reach to applications such as automotive power management ICs (PMICs), motor drivers, and power control integrated circuits (ICs).
Lee Dong-jae, CEO of SK Key Foundry, stated that in the current automotive semiconductor market, "EMC robustness" in actual harsh automotive electrical system environments—beyond device-level ESD performance—is becoming a core competitive differentiator. The mass production of this Bi-SCR on-chip EMC protection technology marks a significant technical milestone in enhancing the reliability of automotive semiconductor products and system stability.
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