STMicroelectronics, Inc. Audio Amplifiers STPA001

The STPA001 is a 4 x 50 W MOSFET quad bridge power amplifier designed for high power car audio applications. It features an internally fixed gain of 26 dB and is capable of driving loads down to 2 Oc, making it suitable for various speaker configurations. The amplifier operates efficiently with low distortion and noise levels, ensuring high-fidelity audio performance. This device incorporates multiple protection features, including output short circuit protection, thermal limiting, and DC offset detection, enhancing reliability in automotive environments. It can operate at supply voltages as low as 6 V, aligning with modern OEM specifications for low voltage operation, which is particularly beneficial for vehicles with start-stop systems. The STPA001 is packaged in a Flexiwatt25 or Flexiwatt27 configuration, facilitating integration into compact designs with minimal external components required.