TDA7562

Overview

The TDA7562 is a quad bridge-type car radio amplifier utilizing BCD technology in a Flexiwatt-27V package. It delivers a maximum output power of 4x60W into 2 Ohms or 4x25W into 4 Ohms at 14.4V with 10% THD. The device operates on a single power supply ranging from 8V to 18V, features Class-AB topology, and achieves a THD+N of 0.02%. It supports an output current of 8A, offers selectable gain between 30dB and 16dB, and includes AEC-Q100 qualification for automotive reliability.

Feature Summary

• Integrated full diagnostics array communicating speaker status via I2C bus
• DMOS power output stage ensuring low distortion and high sound clarity
• Comprehensive protection mechanisms including short circuit, DC offset, and thermal limiting
• Flexible configuration control through I2C bus for standby, mute, and gain settings

Applications

• Car radio audio amplification systems
• Automotive infotainment center integration
• Vehicle speaker monitoring and diagnostic circuits

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct packaging and temperature grade compatibility. Confirm that the Flexiwatt-27V package variant matches your PCB footprint requirements. Check for any recent product change notifications regarding pinout or electrical characteristics before finalizing procurement specifications.

Selection Notes

Select this component when designing automotive audio systems requiring integrated digital diagnostics alongside high-power amplification. The I2C interface allows for real-time speaker fault detection, simplifying system maintenance. Ensure the design accommodates the required heat dissipation for the Flexiwatt-27V package under maximum load conditions.

Part Context

This part belongs to STMicroelectronics' TDA7562 series of multifunction quad power amplifiers. It is designed specifically for automotive applications where space efficiency and diagnostic capabilities are critical. The series leverages BCD technology to combine bipolar, CMOS, and DMOS processes for optimal performance in vehicle environments.

Replacement Considerations

Consult official substitution lists for compatible alternatives such as the TDA7560 if higher power output into lower impedances is required. Verify pin-to-pin compatibility and electrical parameter overlaps before swapping components in existing designs.