Key Design Challenges
This subsystem must provide real-time, high-precision control of multiple brushless DC motors with tight synchronization to replicate natural human motion. Accurate current sensing and signal conditioning are essential for torque control, fault detection, and ensuring operational safety. Additionally, the unit must efficiently manage substantial power demands while maintaining thermal limits. Reliable wired communication is necessary to support control signals and sensor feedback with minimal latency.
STMicroelectronics Product Portfolio
- STM32F4, STM32F7, and STM32H7 Microcontrollers: High-performance MCUs optimized for real-time motor control and signal processing.
- MOTIX Motor Control ICs and EiceDRIVER Gate Drivers: Integrated motor drivers offering compact, efficient, and precise control of brushless DC motors.
- XENSIV Current Sensors (TLI4971, TLx5570/72): High-accuracy current measurement for feedback and protection.
- Power MOSFETs and CoolGaN HEMTs: High-efficiency power switches for motor drive stages.
- Connectivity Solutions: Industrial grade CAN and Ethernet transceivers for robust wired communication.
ST Total Solution Advantages
ST provides integrated motor control solutions that reduce design complexity and size while improving efficiency and reliability. High-precision current sensing enhances safety and performance, and advanced power devices help manage thermal challenges. Flexible connectivity options enable scalable and modular limb designs, supported by comprehensive software libraries and development tools.