The MX6678DH from HCW-HENGCHENGWEI is a high-performance 700V GaN integrated AC-DC power IC developed for compact and energy-efficient power conversion systems. Utilizing advanced Gallium Nitride (GaN) technology, this device enables fast switching operation at 105KHz, significantly reducing switching losses and improving overall system efficiency. Its low RDS(on) of 2500mΩ minimizes conduction losses, ensuring superior thermal performance and enhanced reliability in continuous operation.
With a high 700V voltage rating, the MX6678DH offers a clear advantage over lower voltage devices by providing increased safety margins and better tolerance to voltage spikes and unstable input conditions. This makes it ideal for wide-range AC input designs and demanding power environments. The IC integrates essential power control and switching functions, reducing external component count and simplifying circuit design for improved system stability.
Encased in a compact DFN 6×8 package, the MX6678DH delivers excellent thermal dissipation and PCB layout flexibility, making it suitable for high-density and space-constrained applications. It is widely used in AC-DC adapters, LED drivers, smart home power modules, industrial auxiliary supplies, and consumer electronics. The MX6678DH combines high efficiency, compact design, and robust performance, making it an excellent choice for modern power supply solutions.
Key Features:
- 700V GaN integrated AC-DC power IC
- 20W output power capability
- Low RDS(on) 2500mΩ for reduced conduction loss
- High-frequency switching at 105KHz
- Advanced GaN technology for improved efficiency
- Excellent thermal performance and reliability
- Integrated functions reduce external components
- Compact DFN 6×8 package for space-saving designs
Applications:
- AC-DC adapters and chargers
- LED drivers and lighting systems
- Smart home and IoT power supplies
- Industrial auxiliary power systems
- Consumer electronics power conversion
- Compact offline switching power supplies
