STPA001AH

Overview

The STPA001AH is a Class-AB audio power amplifier designed for automotive applications. It features a fully complementary P-Channel/N-Channel MOSFET output structure enabling rail-to-rail voltage swing and high output current. The device provides four-channel stereo amplification with internally fixed gain of 26 dB. It operates on a single supply voltage ranging from 6V to 28V, supporting low-voltage start-stop profiles. Key electrical parameters include a maximum output power of 75W per channel into 2Ω loads and a typical quiescent current of 300mA at 14.4V.

Feature Summary

• Complementary MOSFET output stage delivering rail-to-rail voltage swing and minimized saturation losses
• Integrated protections including short circuit detection, thermal limiting, and load dump handling
• Low voltage operation capability down to 6V for compatibility with modern automotive battery profiles
• High immunity to RF noise injection ensuring stable performance in electrically noisy environments

Applications

• High-power car radio systems
• Automotive audio amplification circuits
• Start-stop vehicle battery profile compliant audio designs

Procurement Notes

Verify the specific suffix 'AH' against official manufacturer documentation to confirm package type and tape-and-reel configuration. Ensure the component meets required automotive qualification standards such as AEC-Q100 if specified for your application. Cross-reference the part number with the latest datasheet revision to confirm active status and availability.

Selection Notes

Select this amplifier for applications requiring high efficiency and low distortion in automotive environments. The rail-to-rail output maximizes dynamic range under varying supply voltages. Consider the internal fixed gain and protection features to simplify external circuit design. Evaluate thermal management requirements given the high power dissipation capabilities.

Part Context

This component belongs to the STPA series of multi-channel audio power amplifiers. It utilizes Multipower BCD technology to achieve high output power density. The family is characterized by robust protection mechanisms and compatibility with standard automotive electrical systems. It serves as a solution for upgrading audio performance in vehicle infotainment systems.

Replacement Considerations

Check for direct substitutes within the STPA series that share identical pinouts and electrical characteristics. Verify compatibility with existing PCB layouts and thermal constraints when considering alternative models.