NV9581F2C2

AC DC Converters, Offline Switchers Overview

The NV9581F2C2 is a GaNSense Control integrated circuit from Navitas Semiconductor, designed for professional power management applications. It operates as a high-frequency quasi-resonant (HFQR) flyback controller with secondary side synchronous rectification topology. The device supports switching frequencies of 164 kHz and 225 kHz. It features a 700V rating and an on-resistance of 210 mOhm. Packaged in a PQFN 56-23L (QFN-23) format, it functions within a temperature range of -40°C to +125°C and draws a supply current of 750 uA.

AC DC Converters, Offline Switchers Feature Summary

• Integrates GaNSense control technology for high-frequency quasi-resonant flyback conversion
• Supports secondary side synchronous rectification topology
• Operates at defined switching frequencies of 164 kHz and 225 kHz

AC DC Converters, Offline Switchers Applications

• Offline flyback AC-DC converters
• Secondary side synchronous rectification circuits
• High-frequency quasi-resonant power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'C2' against official Navitas documentation to confirm pinout and electrical characteristics, as suffixes often denote package or tape-and-reel variations. Confirm RoHS compliance status directly with the manufacturer or authorized distributors. Ensure the QFN-23 package compatibility matches your PCB footprint design requirements before ordering.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated GaNSense control in HFQR flyback topologies. The 210 mOhm resistance and 700V rating define its conduction and blocking capabilities. Consider the 750 uA supply current for low standby power requirements. Validate that the 164 kHz/225 kHz frequency options align with your transformer design and EMI constraints.

AC DC Converters, Offline Switchers Part Context

This part belongs to the GaNSense Control series by Navitas Semiconductor, specializing in professional power management ICs. It utilizes Gallium Nitride (GaN) technology to enhance efficiency in power conversion systems. The series targets compact, high-density power adapter and charger applications where size and thermal performance are critical.

AC DC Converters, Offline Switchers Replacement Considerations

Publicly confirmed substitute part numbers for the NV9581F2C2 are not available in the provided source material. Cross-reference with other GaNSense controllers only if functional equivalence is verified through official datasheet comparison.