New GaN-Based Motor Drive Reference Design Optimized for Precision Motion in Humanoid Robots

21.02. 2025 | News

Efficient Power Conversion Corporation (EPC) announces the launch of the EPC91104, a high-performance 3-phase BLDC motor drive inverter reference design. This innovative design is ideal for powering compact, precision motors in humanoid robots, such as those used for wrist, finger, and toe movements.

The EPC91104 evaluation board uses the EPC23104 ePower™ Stage IC, offering a maximum RDS(on) of 11 mΩ and supporting DC bus voltages up to 80 V. The design supports up to 14 Apk steady-state and 20 Apk pulsed current, ensuring reliable performance for humanoid robot applications that require fine motor control and precision.

For higher-current requirements, such as elbow and knee motors in humanoid robots, EPC offers the EPC9176 board in the same family. With enhanced current capacity, the EPC9176 complements the EPC91104 to cover a full range of motor drive applications in humanoid robotics (more info).

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