EPC91202 Evaluation Board Added for Three-Phase BLDC Motor Drive Inverter

Why It Matters

The EPC91202 accelerates development of high‑density, low‑loss motor drives for robotics, e‑mobility and drones, giving engineers a ready‑to‑test GaN solution that cuts system size, cost and electromagnetic interference.

Key Takeaways

• EPC91202 delivers 70 A peak, 150 kHz PWM.
• Uses EPC2361 100 V eGaN FET for high efficiency.
• Supports 14‑76 V input, sensorless and encoder control.
• dv/dt under 10 V/ns reduces EMI and acoustic noise.
• Priced $500, available through Digi‑Key and Mouser.

Pulse Analysis

Gallium‑nitride (GaN) power devices are reshaping motor‑drive architecture by offering faster switching speeds and lower on‑resistance than traditional silicon. These characteristics translate into higher power density, reduced thermal footprints, and the ability to operate at higher frequencies without excessive losses. For high‑performance applications such as robotics joints or drone propulsion, the shift to GaN can unlock smoother torque delivery and quieter operation, addressing long‑standing challenges in precision motion control.

The EPC91202 board consolidates the advantages of GaN into a single, turnkey reference design. Leveraging the EPC2361 100 V eGaN FET, the inverter achieves 70 A peak current and a 150 kHz PWM ceiling, while maintaining a dv/dt below 10 V/ns to suppress EMI and acoustic emissions. Integrated gate drivers, current‑sense amplifiers, and comprehensive protection circuitry eliminate the need for ancillary components, allowing engineers to prototype and validate designs rapidly. Compatibility with popular microcontroller ecosystems further streamlines firmware development, supporting advanced control schemes like field‑oriented control and space‑vector PWM.

From a market perspective, the EPC91202 lowers the barrier to entry for developers targeting battery‑powered platforms in e‑mobility, industrial automation, and autonomous robotics. At a $500 price point and with immediate stock through major distributors, the board offers a cost‑effective path to GaN adoption, potentially accelerating the transition away from silicon‑based inverters. As OEMs seek higher efficiency and smaller form factors, solutions that combine performance, integration, and accessible design resources are poised to become standard building blocks in next‑generation motor‑drive systems.