NV9573S121-RA

AC DC Converters, Offline Switchers Overview

The NV9573S121-RA is a GaNSense Control integrated circuit designed for secondary-side synchronous rectification in flyback topologies. It features a 700V breakdown voltage and an internal on-resistance of 330mOhm. The device operates within a supply voltage range of 6.5V to 77V, with a startup threshold of 13.5V. It utilizes an 8-SOIC package (ESOP-7 equivalent) and supports surface mount installation. The component functions as a specialized power management IC within the GaNSense series.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a low-on-resistance synchronous rectifier switch for efficient power conversion.
• Includes built-in control logic for secondary-side flyback applications.
• Supports wide input supply voltage ranges for versatile system integration.

AC DC Converters, Offline Switchers Applications

• Secondary-side synchronous rectification in flyback converters
• Power supplies for renewable energy integration systems
• HVDC transmission equipment power modules

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific ordering suffix against official Navitas Semiconductor documentation to ensure correct packaging and variant selection. Confirm that the RA suffix corresponds to the required tape and reel configuration. Cross-reference the datasheet revision history to validate current manufacturing status and compliance certifications before finalizing procurement orders.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high-efficiency secondary-side rectification in isolated flyback architectures. Ensure the system's operating voltage remains within the specified 6.5V to 77V range. Verify thermal management requirements for the 8-SOIC package under maximum load conditions. Confirm compatibility with the target controller's switching frequency and gate drive characteristics.

AC DC Converters, Offline Switchers Part Context

This part belongs to the GaNSense Control series from Navitas Semiconductor, which specializes in Gallium Nitride power ICs. The series targets high-voltage applications including grid-scale storage and performance computing. The NV9573x family provides integrated solutions for secondary-side rectification, reducing component count and improving overall system efficiency compared to discrete MOSFET implementations.

AC DC Converters, Offline Switchers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult Navitas Semiconductor technical support or authorized distributors for direct replacements or pin-compatible alternatives if this specific variant is unavailable.

AC DC Converters, Offline Switchers FAQ

What topology does the NV9573S121-RA support?

It is designed for flyback topologies, specifically functioning as a secondary-side synchronous rectifier.

What is the internal switch resistance of this component?

The internal switch has an on-resistance of 330mOhm.