Efficient Power Conversion (EPC) has commenced mass production of its innovative 100 V integrated gallium nitride (GaN) power-stage IC family, which includes the EPC23108, EPC23109, EPC23110, and EPC23111 models. These ePower™ Stage ICs are crafted for high-performance motion-control applications, integrating high-side and low-side eGaN® FETs, gate drivers, and level-shifting circuitry into compact, thermally optimized QFN packages. Aimed at enhancing power density and efficiency, the integrated design also simplifies system configuration.
The new IC family operates up to 100 V with current ratings of 35 A and 20 A, depending on the specific model. Key features comprise rapid fault shutdown, secure gate control during power-loss scenarios, and continuous 100% duty-cycle operation. Additionally, single-input PWM options are available, catering to multi-axis motor-control applications. To complement these ICs, EPC is offering evaluation boards—EPC91128, EPC91129, EPC91130, and EPC91131—designed for three-phase BLDC motor-drive systems. These platforms incorporate essential components such as gate drivers, current and voltage sensing, housekeeping power supplies, and temperature monitoring with protection functionalities.
The new devices are distributed globally through partners including Digi-Key and Mouser, targeting applications in 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 available at US$2.47 each, based on orders of 3,000 units. Meanwhile, the EPC91128 and EPC91129 evaluation boards are priced at US$640 each, with the EPC91130 and EPC91131 at US$630 each.
EPC is also enhancing resource availability with the release of a technical white paper in both English and Chinese. This document delves into the architecture, design considerations, and evaluation platforms for the newly launched GaN power-stage ICs. Established in 2007, Efficient Power Conversion (EPC) is a semiconductor company dedicated to the development of enhancement-mode gallium nitride (eGaN®) power devices and integrated circuits, catering to a range of applications such as DC-DC converters, lidar, motor drives, robotics, drones, and satellite systems.
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