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A Versatile Three-Phase Motor Drive Platform For Rad-Hard Space Applications Focus: By integrating radiation-hardened GaN power ICs into compact, flexible platforms,
engineers can accelerate the development and validation of advanced motor control
solutions while meeting reliability and size, weight, and power (SWaP) requirements. In
this context, the EPC7C021 demo board provides a three-phase motor drive platform based on
the rad-hard EPC7011L7C eGaN half-bridge IC, enabling efficient evaluation and prototyping
for space-grade motor drive applications. This article describes the features,
specifications and operating requirements of the EPC7C021, and explains various aspects of
how to configure it for different uses. Applications of the board with externally
generated PWM signals and with the EPC9147A controller card are discussed, as are details
relating to monitoring and protection, output filtering and thermal management. The
authors also offer some guidance on commissioning of the motor and the types of motors and
motor configurations that the demo board accomodates.
What you’ll learn: - How to configure the EPC7C021 demo board for evaluation of three-phase motor drives based on
the EPC7011L7C eGaN half-bridge IC
- How to speed development of three phase motor drives for space
View the Source
Author & Publication: Diego de Azcuénaga and Tony Marini, EPC Space, Andover, Mass., How2Power Today, Mar 15 2026
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