NV9581F112-RA

AC DC Converters, Offline Switchers Overview

The NV9581F112-RA is a GaNSense controller from Navitas Semiconductor, designed for secondary-side synchronous rectification in flyback topologies. It integrates an isolated driver with a 700V breakdown voltage and operates within a temperature range of -40°C to +125°C. The device features a startup voltage of 13.5 V and draws an operating supply current of 750 uA. Packaged in a PQFN format, it serves as a specialized power management IC (PMIC) for efficient power conversion systems.

AC DC Converters, Offline Switchers Feature Summary

• Integrates isolated gate drive functionality for synchronous rectification
• Supports flyback topology with secondary-side control
• High voltage breakdown capability for robust operation

AC DC Converters, Offline Switchers Applications

• Flyback power supplies with secondary-side synchronous rectification
• Adapters and chargers requiring high efficiency
• Industrial power conversion systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'RA' against the manufacturer's official datasheet to confirm packaging and tape-and-reel specifications. Ensure compatibility with your PCB footprint, as the component utilizes a PQFN package. Cross-reference the part number with authorized distributors to confirm current availability and authenticity, as supply status may vary by region.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring integrated isolation and control in flyback converters. Consider the 700V breakdown rating and 750 uA supply current when designing the bias circuitry. Verify that the PQFN package dimensions fit your board layout constraints and thermal requirements compared to alternative controllers.

AC DC Converters, Offline Switchers Part Context

This part belongs to the GaNSense family, which combines Gallium Nitride (GaN) technology with advanced control logic. Navitas Semiconductor specializes in power integrated circuits that simplify design by integrating drivers, controllers, and protection features into single packages, targeting high-efficiency power management solutions.

AC DC Converters, Offline Switchers Replacement Considerations

The NV9581F1C1-RA is listed as a related product in the same series. Verify pinout compatibility and electrical parameters before substitution. No other direct public substitutes are confirmed in the provided data.