TDA75612LV-48X

Overview

The TDA75612LV-48X is a quad bridge car radio amplifier utilizing Multipower BCD technology and DMOS output stages. It delivers high output power capability of 4x25 W into 4 Ω loads at 14.4 V with 10% THD, and supports 2 Ω driving for up to 64 W maximum power. The device features full I2C bus control for standby, independent front/rear soft play/mute, and selectable gain settings of 30 dB or 16 dB. Integrated diagnostics include DC and AC load detection, clipping detection, and thermal shutdown.

Feature Summary

• Supports low voltage operation down to 6 V for start-stop battery profiles
• Includes Speaker Safety Routine (SSR) for automatic shutdown on dangerous DC voltage
• Provides comprehensive I2C digital diagnostics for speaker status monitoring
• Features robust protection against misconnections and short circuits

Applications

• Automotive infotainment systems requiring intelligent power amplification
• Vehicle audio architectures supporting start-stop battery technologies
• Car radio designs needing integrated speaker safety routines
• Systems requiring extensive I2C-based diagnostic feedback

Procurement Notes

Verify the specific suffix '48X' against official STMicroelectronics documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with existing I2C bus configurations and supply voltage ranges before procurement. Confirm that the selected variant meets the required automotive qualification standards for your target application environment.

Selection Notes

Select this component when designing for vehicles with start-stop functionality requiring reliable operation at voltages as low as 6 V. Choose this part if the design demands integrated speaker safety routines to prevent damage from DC offsets. It is suitable for applications needing flexible gain selection and detailed diagnostic reporting via the I2C interface.

Part Context

This component belongs to the TDA756x family of automotive intelligent power amplifiers. These devices are designed using Multipower BCD technology to offer high efficiency and robust performance in compact packages. The family targets modern vehicle infotainment systems, providing high output power with advanced diagnostic capabilities and low external component counts.

Replacement Considerations

Consult official substitution lists for compatible alternatives within the TDA756x series. Verify pinout and electrical parameter compatibility before replacing components in existing designs.