Reference design highlights GaN for motor drives
EPC offers a GaN-based motor drive inverter reference design for industrial and battery-powered applications. The EPC91200 demonstration board, built for 3-phase brushless DC motors, integrates the EPC2305, a 150-V, 3.0-mΩ GaN FET.
With a wide input voltage range of 30 V to 130 V, the EPC91200 supports 80-V and 110-V battery systems in industrial automation and material handling equipment. It delivers up to 40 ARMS (60 A pk) of output current and operates at PWM switching frequencies up to 150 kHz, demonstrating GaN technology’s efficiency, reliability, and adaptability in power systems.
An optimized PCB layout and GaN technology minimize resistance and heat generation, enhancing performance. The 130×100-mm demo board features current sensing, voltage monitoring, overcurrent protection, and temperature sensing. It also includes a preconfigured shaft encoder/Hall sensor interface and supports field-oriented control. Compatible with various controller boards from STMicroelectronics, Texas Instruments, and Microchip, the EPC91200 offers broad integration flexibility.
The EPC91200 reference design board costs $812.50 and is available from Digi-Key.
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