E-TDA7566

Overview

The E-TDA7566 is a quad bridge car radio amplifier manufactured by STMicroelectronics. It operates in Class AB topology and features an I2C interface for control functions including mute, standby, and automute capabilities. The device provides up to 4 x 45 W output power at 4 ohms and 4 x 60 W at 2 ohms. It utilizes multipower BCD technology with a MOSFET output stage. Operating voltage ranges from 8V to 18V. It includes internal high-side drivers and protections against short circuits and thermal overload.

Feature Summary

• Integrated I2C bus interface for digital control of amplifier states
• Automotive-grade AEC-Q100 qualification for reliability
• Built-in protection mechanisms including thermal and short-circuit safeguards

Applications

• Automotive audio systems
• Car radio amplifiers
• Vehicle infotainment sound processing

Procurement Notes

Verify component status as the E-TDA7566 is listed as discontinued or end-of-life. Confirm availability through authorized distributors or secondary markets. Check for valid RoHS compliance documentation and ensure the package type matches design requirements. Review process change notifications for any manufacturing updates prior to integration.

Selection Notes

Select this component for automotive applications requiring a quad bridge amplifier configuration. Ensure the design supports the required 8V to 18V supply range. Verify that the PCB layout accommodates the 25-Flexiwatt vertical package. Consider the discontinuation status when planning long-term production lifecycles.

Part Context

This part belongs to the TDA7566 series of audio amplifiers designed specifically for automotive environments. It represents a specialized solution for vehicle audio systems, leveraging STMicroelectronics' expertise in automotive integrated circuits. The series focuses on delivering high power output within compact packages suitable for modern vehicle architectures.

Replacement Considerations

Consult official manufacturer documentation for confirmed substitute part numbers due to the product's discontinued status. Evaluate alternative quad bridge amplifiers from the same family or newer generations that maintain compatible pinouts and performance specifications.