TDA7073A/N4,112

Overview

The TDA7073A/N4,112 is a dual BTL power driver manufactured by NXP Semiconductors. It operates within a supply voltage range of 3 V to 18 V and delivers an output current of 600 mA. The device functions across a temperature range of -55 °C to +150 °C with a quiescent current of 8 mA. It is housed in a SOIC-16 surface-mount package and contains two drivers providing four outputs. This component is currently discontinued.

Feature Summary

• Dual bridge-tied-load (BTL) power driver architecture
• High thermal stability for automotive environments
• Surface-mount packaging for automated assembly

Applications

• Automotive radio power amplification
• Car audio system driver stages
• Vehicle infotainment systems

Procurement Notes

This part number is officially marked as No Longer Manufactured by the supplier. Availability is restricted to existing stock or secondary market channels. Verify authenticity through authorized distributors and confirm RoHS compliance status via the manufacturer's material declaration before procurement. Historical datasheets remain available for reference only.

Selection Notes

Designers should evaluate alternative components due to the discontinuation status. Consider modern equivalents that offer updated thermal management and interface compatibility. Ensure replacement parts support the required BTL configuration and meet the original electrical specifications for automotive applications.

Part Context

The TDA7073 series belongs to NXP's portfolio of automotive audio solutions. These devices are engineered for robust performance in vehicle environments. The specific model provides efficient driving capabilities for loudspeakers in car radios.

Replacement Considerations

Consult official cross-reference lists for direct replacements. Verify pinout compatibility and thermal characteristics when selecting substitutes.