RT9116GQW

Overview

The RT9116GQW is a stereo Class-D audio amplifier manufactured by Richtek Technology Corporation. It delivers 10W per channel into an 8-ohm load with an 8V to 17V supply voltage. The device operates within a temperature range of -40°C to +85°C and utilizes a 28-WQFN (4x5) surface-mount package.

Feature Summary

• High efficiency design eliminates the need for external heat sinks during music playback
• Integrated auto-recovery short circuit protection against ground, power supply, and output-to-output faults
• Supports filter-less operation for simplified system architecture
• Gain configuration adjustable via dedicated select pins

Applications

• LCD-TV systems
• Computer monitors
• Home audio equipment
• Amusement equipment
• Electronic music devices

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and lead plating specifications match project requirements. Validate package marking and date codes against current production batches to ensure reliability standards are met for final assembly.

Selection Notes

Select this component for applications requiring high-power stereo audio output without thermal management constraints. Ensure the input supply voltage remains within the 8V to 17V operational window. Verify that the load impedance supports the specified 10W per channel performance at the target THD+N levels for optimal audio fidelity.

Part Context

This part belongs to the RT9116 series of high-efficiency Class-D amplifiers. It is designed for driving bridge-tied load (BTL) speakers with loads as low as 4 ohms. The G suffix indicates Green packaging, which is halogen-free and lead-free, adhering to environmental regulations.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.