NV9574S121-RA

AC DC Converters, Offline Switchers Overview

The NV9574S121-RA is a GaNSense Control series AC-DC controller manufactured by Navitas Semiconductor. It integrates secondary side synchronous rectification (SR) control with flyback topology support. The device operates at switching frequencies of 100kHz and 129kHz. Designed for high-efficiency power conversion, it utilizes the GaNFast technology platform to enable compact power supply designs.

AC DC Converters, Offline Switchers Feature Summary

• Integrates GaNSense Control technology for autonomous gate driving
• Supports secondary side synchronous rectification in flyback topologies
• Enables high power density through integrated wide-bandgap semiconductor management

AC DC Converters, Offline Switchers Applications

• Ultra-fast mobile phone chargers
• Compact consumer power adapters
• High-density AC-DC power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix -RA against official datasheets to confirm pinout and thermal characteristics. Confirm availability status as distributors may list this as a new product or limited stock item. Ensure compatibility with existing flyback transformer designs before procurement.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring high efficiency and small form factor. It is suitable for replacing traditional silicon-based SR controllers. Consider the operating frequency range when designing magnetic components. Verify input voltage ranges match target application requirements.

AC DC Converters, Offline Switchers Part Context

This part belongs to the GaNSense Control series, representing Navitas' integration of Gallium Nitride power ICs. The series targets the transition from discrete SiC/Si solutions to monolithic GaN controllers. It supports the company's strategy to expand into high-power infrastructure while maintaining dominance in fast-charging markets.

AC DC Converters, Offline Switchers Replacement Considerations

Check for direct substitutes within the NV9574 family. Verify if older revisions require firmware updates. Ensure replacement parts maintain the same ESOP-7 package dimensions for PCB compatibility.