The HC7702B is a high-efficiency Gallium Nitride (GaN) AC-DC integrated circuit from HCW-HENGCHENGWEI, designed for compact and energy-optimized offline power conversion applications. Leveraging advanced GaN semiconductor technology, it delivers ultra-fast switching performance with significantly reduced switching and conduction losses compared to traditional silicon-based solutions.
With a high voltage rating of 700V, the HC7702B is optimized for primary-side switching in modern low-power SMPS and adapter designs. Its low-loss architecture enhances overall system efficiency while minimizing heat generation, ensuring stable thermal behavior and reliable long-term operation even under continuous load conditions.
The device supports high-frequency operation, enabling reduced transformer size, higher power density, and improved energy conversion efficiency. This makes it highly suitable for compact power supply designs where space efficiency and thermal management are critical requirements.
Packaged in a standard SOP-8 form factor, the HC7702B ensures easy PCB integration and cost-effective manufacturing. Its integrated structure reduces external component count, simplifying circuit design, lowering BOM cost, and improving overall system reliability.
The HC7702B is ideal for next-generation offline power systems requiring high efficiency, compact size, and stable performance across a wide range of operating conditions.
Key Features:
- Advanced GaN AC-DC power integration
- High voltage rating: 700V
- Ultra-fast switching performance
- Low switching and conduction losses
- Improved thermal efficiency and reliability
- Compact SOP-8 package design
- High-frequency operation support
- Reduced external component count
- High power density capability
Applications:
- Fast charging adapters
- USB and mobile chargers
- Smart power supplies
- LED driver systems
- Compact SMPS designs
- Consumer electronics power modules
- Low-power offline converters
- Energy-efficient AC-DC adapter solutions
