TAS5421QPWPRQ1

Overview

The TAS5421QPWPRQ1 is a single-channel Class-D audio power amplifier manufactured by Texas Instruments, designed for automotive applications. It operates within a supply voltage range of 4.5V to 18V and delivers up to 22W of output power into a 4-ohm load. The device is housed in a 16-PowerTSSOP package with dimensions of 0.173 inches (4.40mm) width. It supports an operating temperature range from -40°C to 125°C and holds AEC-Q100 qualification.

Feature Summary

• Integrated protection mechanisms including mute, short-circuit, and thermal shutdown capabilities.

Applications

• Automotive audio systems

Procurement Notes

Verify the specific ordering suffix against official documentation to ensure correct packaging configuration. Confirm that the component meets current RoHS3 standards and REACH requirements before integration. Cross-reference the manufacturer part number with authorized distributor lists to validate authenticity and traceability.

Selection Notes

Select this component for designs requiring a high-power single-channel solution in a compact surface-mount package. Ensure the system power supply remains within the specified 4.5V to 18V operational limits. Verify that the thermal management strategy accommodates the maximum junction temperature specifications under expected load conditions.

Part Context

This part belongs to the TAS5421 family of automotive-grade audio amplifiers. It shares the same basic product architecture but differs in packaging and specific electrical characteristics compared to other variants in the series. The QPWR designation indicates a specific tape-and-reel packaging option suitable for automated assembly processes.

Replacement Considerations

Consult official datasheets for direct pin-to-pin replacements within the TAS5421 family. Verify compatibility regarding package dimensions and thermal performance when substituting with similar automotive audio amplifiers.