RT5507WSC

Overview

The RT5507WSC is a stereo Class-G audio amplifier manufactured by Richtek USA Inc. It delivers 150 mW of output power per channel into an 8-ohm load. The device operates within a supply voltage range of 1.62 V to 5.5 V, making it suitable for battery-powered applications. It utilizes a compact package design optimized for space-constrained portable electronics.

Feature Summary

• Stereo Class-G architecture for improved efficiency and sound quality
• Low voltage operation compatible with single-cell lithium-ion batteries
• Compact footprint designed for mobile and portable devices

Applications

• Smartphones and mobile phones
• Portable media players
• Bluetooth speakers

Procurement Notes

Verify the specific suffix and package variant against the official Richtek datasheet to ensure compatibility with your PCB layout. Confirm RoHS compliance status and check for any recent product lifecycle notices, as availability may vary by region and distributor.

Selection Notes

Select this component when a low-power stereo solution is required for ultra-portable devices. Ensure the application supports the 1.62 V minimum operating voltage. Compare total harmonic distortion specifications against alternative Class-D amplifiers if higher fidelity is needed.

Part Context

This part belongs to Richtek's audio amplifier portfolio, specifically targeting the low-power segment. It complements other Richtek ICs in portable electronics by providing efficient stereo amplification without requiring complex external components or high-voltage rails.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's cross-reference guide or contact technical support directly for verified alternatives.