Courtesy: Renesas
As energy efficiency and smart connectivity take center stage in HVAC design, manufacturers face pressure to deliver systems that perform seamlessly while reducing energy consumption. Renesas’ “High-Power 10.5kW Motor Control” winning combination steps up to this challenge with an innovative design that combines high-power synchronous/BLDC motor control with embedded artificial intelligence (e-AI) capabilities, enabling superior performance and reliability.
This system is built to handle up to 10.5kW of power, sourced from 3-phase Y-connected power mains. Powered by the high-performance RA6T2 microcontroller and combined with advanced e-AI software tools like Reality AI for predictive maintenance, this design offers a robust foundation in a wide range of motor-based appliances.

The Future of the HVAC Industry
The HVAC industry has evolved significantly from its origins in mechanical heaters and air conditioners. Today’s smart HVAC systems offer remote control, renewable energy integration, and advanced air filtration while balancing comfort with sustainability. However, the future holds even more promise.
With increasing regulatory pressure to phase out harmful refrigerants and adopt energy-efficient technologies, the focus is shifting toward AI-driven solutions. By optimizing system performance and leveraging predictive algorithms and real-time data, AI can manage energy usage more effectively, decreasing the reliance on traditional refrigerants. Smart HVAC systems powered by the High-Power 10.5kW Motor Control system design can adapt to user habits, predict system failures, and optimize performance in real time. The integration of Reality AI further enhances these systems, making them indispensable for modern homes and businesses.

This 7kW+ system leverages the High-Power 10.5kW Motor Control designs’ motor control and e-AI features, combined with the e-AI-Ready GUI Controller for Appliances and Industrial Systems, to drive dual motors with precision, enabling efficient heating and cooling for large residential and commercial applications. By bridging the past and future of HVAC, the High-Power 10.5kW Motor Control paves the way for systems that are smarter, more efficient, and more sustainable.
A Closer Look at the RA6T2 MCU
The RA6T2 MCU is the backbone of this design, bringing unmatched processing power and specialized motor control capabilities. With a 240MHz Arm Cortex-M33 core, this MCU enables the next generation of high-speed, high-response motor algorithms, thereby ensuring precise control and efficiency. Integrated hardware accelerators handle the heavy lifting for motor control calculations, reducing latency and freeing up resources for additional tasks.
The RA6T2 performs both motor control and power factor correction (PFC), simplifying system architecture and reducing component costs. Its CAN interface ensures reliable communication with external control units, further enhancing its adaptability. Moreover, the RA6T2 introduces features for motor failure detection and prediction, delivering reliability and added value needed in today’s competitive motor control market.
Adding Intelligence with Reality AI and e-AI
Bringing AI into HVAC systems opens doors to unprecedented capabilities. Reality AI, integrated within the High-Power 10.5kW Motor Control design, is a sophisticated software package that equips these systems with predictive maintenance features powered by embedded AI. e-AI refers to AI inference performed on an embedded processor using a pre-trained machine learning model. By leveraging advanced signal processing and machine learning, Reality AI enables systems to detect and respond to issues like coil frosting, refrigerant charge imbalances, or faulty components before they escalate.
This integration transforms HVAC systems from reactive to proactive. Predictive maintenance reduces downtime, extends equipment lifespan, and minimizes operational costs, thereby delivering significant value to the end users. In this design, Reality AI enhances the system’s ability to self-monitor, learn from performance data, and ensure optimal operation.
Conclusion
Renesas’ High-Power 10.5kW Motor Control design represents a decisive step forward in the evolution of motor-driven HVAC and industrial systems. By combining high-efficiency synchronous/BLDC motor control with embedded AI capabilities on the RA6T2 MCU, it delivers a powerful blend of performance, intelligence, and reliability. The integration of Reality AI enables predictive maintenance and real-time optimization, transforming conventional motor systems into adaptive, self-aware platforms. As the industry moves toward stricter energy regulations, smarter connectivity, and sustainable operation, this AI-powered control architecture provides manufacturers with a future-ready foundation—one that not only improves efficiency and uptime today, but also sets the benchmark for next-generation, intelligent motor-based systems.

