STPA008-48X

Overview

The STPA008-48X is a Class-AB MOSFET quad bridge power amplifier designed for high-power car radio applications. It delivers 50 W output per channel into a 4 Ohm load with a supply voltage of 6 V. The device features fully complementary P-Channel/N-Channel technology and operates within a maximum junction temperature of +150 °C. Total Harmonic Distortion plus Noise (THD+N) is specified at ≤1%. It is AEC-Q100 qualified and housed in a Flexiwatt-V-25 package.

Feature Summary

• Fully complementary P-Channel/N-Channel MOSFET technology
• Quad bridge configuration delivering high power output
• AEC-Q100 automotive qualification
• High thermal stability up to +150 °C

Applications

• High-power car radio systems
• Automotive audio amplification
• Vehicle sound system integration

Procurement Notes

Verify the specific suffix against official documentation, as variations exist within the STPA008 family. Confirm that the Flexiwatt-V-25 package matches your PCB layout requirements. Ensure the 6 V supply voltage aligns with your vehicle's electrical architecture. Check for AEC-Q100 certification if automotive reliability standards are mandatory for your design implementation.

Selection Notes

Select this component when designing automotive audio systems requiring high power density and robust thermal performance. The 50 W per channel capability suits demanding speaker loads. Consider the through-hole Flexiwatt-V-25 package for efficient heat dissipation. Verify compatibility with 6 V automotive power rails before finalizing the schematic design.

Part Context

Part of the STPA008 series from STMicroelectronics, focusing on automotive audio solutions. This series utilizes advanced MOSFET technology to achieve high efficiency and power output in compact packages. The STPA008-48X specifically targets the 4-channel high-power segment, offering a complete solution for multi-speaker vehicle audio setups.

Replacement Considerations

STPA008-4WX and STPA008-QIX are related variants within the same series. Verify package type and specific electrical tolerances before substitution. Ensure the replacement part maintains the required 50 W output and 6 V operating voltage specifications.