Adaptive Body Biasing (ABB)

Adaptive Body Biasing (ABB) is an advanced power and performance optimization technique used in modern semiconductor technologies—especially in FDSOI, advanced CMOS, IoT chips, mobile processors, and automotive electronics. ABB dynamically adjusts a transistor’s threshold voltage (Vt) by applying forward or reverse biasing to the substrate (body), enabling higher performance, lower leakage, and optimized energy efficiency across different workloads and temperature conditions.

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