SiliconIntervention: Low-Level Efficiency Improvements in Class-D

Driven by the need to maximize battery life in portable devices, Class-D efficiency at low output levels is receiving greater attention. This is particularly important to achieve longer battery life in designs such as true wireless earbuds. Power optimized amplification is precisely the goal for Multilevel Class-D, and now there's also Fractal Class-D, a new technology developed by SiliconIntervention, a Canadian company formed in 2019 as the result of the pioneering research and development of its founder Martin Mallinson, the former Chief Scientist at ESS Technology.

Silicon Mitus, an advanced specialist in Power Management Integrated Circuit (PMIC) and audio semiconductor solutions, announced the launch of its SM58IP04 device, a single-chip buck-boost USB Type-C Narrow VDC (NVDC) charger targeting 2S/3S and 4S battery applications that take full advantage of the new USB Type-C features embedded in the latest PD3.0 specifications such as PPS and Fast Role Swap.

Texas Instruments (TI) introduced the industry's first 16-V input, 40-A synchronous DC/DC buck converter with an internally compensated advanced-current-mode (ACM) control topology supporting frequency synchronization. Designers can stack two converters side by side to drive loads up to 80 A for processors in space-constrained and power-dense applications in various markets, including wired and wireless communications, enterprise and cloud computing, and data storage systems.