The core advantages of GaN devices in robotic joint motor drives lie in their high-frequency operation, high precision, and exceptional power density. Increasing the switching frequency significantly reduces current ripple and torque pulsation while markedly improving motion smoothness and positioning accuracy. Furthermore, extremely low switching losses minimize driver heating, effectively addressing thermal management challenges in confined joint spaces. This allows for greater load capacity within smaller form factors, creating compact and efficient joint modules that empower high-performance collaborative and humanoid robot development.
Reference Designs
48V/22A Motor Drive Evaluation Board
This solution incorporates three ISG3204LA half-bridge co-packaged GaN devices (with integrated drivers), delivering high integration and clean layout. With 48V-60V input, it achieves continuous peak phase current output of 22A, perfectly matching 1kW-level motor drive requirements. Featuring low loss, high frequency, excellent thermal performance, and strong current output capability, it brings revolutionary breakthroughs to low-voltage motor applications including robotics and drones.
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