TDA8571J car audio amplifier electronic project circuit design

This electronic circuit diagram is an audio power amplifier based on TDA8571J integrated circuit, class-B output amplifier with four amplifiers in a BTL configuration, each with a gain of 34 dB.
The maximum output power delivered by TDA8571J is 40 W into a 4 ohms load and is designed for car radio applications.
Main features of the TDA8571J amplifier circuit are : high output power , low output offset voltage, diagnostic facility (distortion, short-circuit and temperature pre-warning) , good ripple rejection , mode select switch (operating, mute and standby) , load dump protection , short-circuit safe to ground and to VP and across the load , low power dissipation in any short-circuit condition , thermally protected , reverse polarity safe.This audio IC power amplifier is pin compatible with TDA8568Q audio amplifier circuit and require a 14.4 volts power supply .