NCP2990FCT2G

Overview

The NCP2990FCT2G is a Class D audio amplifier manufactured by onsemi, designed for high-efficiency sound reproduction in portable devices. It delivers 1.3 W of continuous output power into an 8-ohm load with a supply voltage of 5 V and less than 1% total harmonic distortion plus noise. The device operates within a wide supply voltage range from 2.5 V to 5.5 V and supports both single-ended and differential input configurations. Integrated protection features include thermal shutdown and short-circuit current limiting to ensure reliable operation under fault conditions.

Feature Summary

• Class D architecture providing high energy efficiency suitable for battery-powered applications
• Integrated thermal shutdown and short-circuit protection mechanisms
• Supports flexible input modes including single-ended and differential connections

Applications

• Portable media players and smartphones
• Wireless speakers and Bluetooth audio modules
• Tablets and handheld gaming devices

Procurement Notes

Verify the exact suffix against official onsemi documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with existing PCB footprints and thermal management designs. Confirm RoHS compliance status through the manufacturer's latest material declaration before finalizing procurement plans.

Selection Notes

Select this component when low power consumption and minimal external filtering are required for compact audio systems. Evaluate the trade-off between output power capabilities and available supply voltage headroom. Consider the integrated protection features as a primary advantage for reducing system-level safety design complexity.

Part Context

This part belongs to the NCP2990 family of digital audio amplifiers. It shares architectural similarities with other members but differs in specific pinout configurations and packaging options. The FCT2G suffix indicates a specific surface-mount package variant intended for automated assembly processes.

Replacement Considerations

Direct substitutes may include other Class D amplifiers from onsemi or competitors offering similar 1.3 W output power. Verify pin-to-pin compatibility and thermal performance characteristics before substitution.