Efficient Power Conversion (EPC) has commenced mass production of its innovative 100 V integrated gallium nitride (GaN) power-stage IC family, which includes models EPC23108, EPC23109, EPC23110, and EPC23111. Tailored for high-performance motion-control applications, these ePower™ Stage ICs incorporate high-side and low-side eGaN® FETs, gate drivers, and level-shifting circuitry within compact, thermally optimized QFN packages. The devices are designed to operate efficiently at up to 100 V, featuring current ratings of 35 A and 20 A, subject to the specific model. This integration aims to enhance power density and efficiency, simplifying the system design process.
The EPC IC family boasts features such as rapid fault shutdown, secure gate control during power-loss scenarios, and continuous 100% duty-cycle operation. They also offer single-input PWM options suitable for multi-axis motor-control applications. Complementing these ICs, EPC introduces the EPC91128, EPC91129, EPC91130, and EPC91131 three-phase BLDC motor-drive evaluation boards. These boards, designed around the new power-stage ICs, are equipped with gate drivers, current and voltage sensing, housekeeping power supplies, and temperature monitoring and protection functions.
Available through EPC’s global distribution network, which includes partners like Digi-Key and Mouser, these new devices target a range of applications such as humanoid robots, drones, industrial motor drives, medical equipment, synchronous rectification, and high-density DC-DC converters. Pricing for the EPC23108 and EPC23109 is set at US$3.70 each, while the EPC23110 and EPC23111 are priced at US$2.47 each, based on purchases of 3,000 units. Meanwhile, the EPC91128 and EPC91129 evaluation boards are priced at US$640, with the EPC91130 and EPC91131 priced at US$630 each.
In addition to the hardware, EPC is releasing a technical white paper available in both English and Chinese. This document provides in-depth insights into the architecture, design considerations, and evaluation platforms associated with the new integrated GaN power-stage ICs. Founded in 2007, Efficient Power Conversion specializes in enhancement-mode gallium nitride (eGaN®) power devices and integrated circuits, developing GaN-based power solutions for a variety of applications including DC-DC converters, lidar, motor drives, robotics, drones, and satellite systems.
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