The HC7702S is a high-efficiency Gallium Nitride (GaN) AC-DC integrated circuit from HCW-HENGCHENGWEI, designed for modern compact and energy-saving offline power conversion systems. Built on advanced GaN semiconductor technology, it offers ultra-fast switching performance with significantly reduced switching and conduction losses compared to traditional silicon-based AC-DC solutions.
With a high voltage capability of 700V, the HC7702S is optimized for primary-side switching applications in low-power SMPS and adapter designs. Its low-loss architecture enhances overall system efficiency while minimizing heat generation, resulting in improved thermal stability and long-term reliability under continuous operating conditions.
The device supports high-frequency operation, enabling the use of smaller magnetic components and achieving higher power density in compact power supply designs. This makes it ideal for modern energy-efficient applications where space optimization and thermal management are critical.
Packaged in a standard SOP-8 form factor, the HC7702S provides easy PCB integration and cost-effective manufacturing. Its integrated design reduces the need for external components, simplifying circuit layout, reducing BOM cost, and improving overall system reliability.
The HC7702S is well-suited for next-generation low-power offline power systems that require high efficiency, compact size, and stable performance across a wide range of operating conditions.
Key Features:
- Advanced GaN-based AC-DC integrated circuit
- High voltage rating: 700V
- Ultra-fast switching performance
- Low switching and conduction losses
- Improved thermal efficiency and reliability
- Compact SOP-8 package design
- Supports high-frequency operation
- 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
