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Product Detailed Parameters
- Description：IC AMP CLASS D QUAD 116W 44HSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：Class D
- Output Type：4-Channel (Quad)
- Max Output Power x Channels @ Load：116W x 2 @ 2Ohm, 58W x 4 @ 4Ohm
- Voltage - Supply：8V ~ 22V
- Features：Depop, Differential Inputs, I2C, Mute, Short-Circuit and Thermal Protection, Shutdown
- Mounting Type：Surface Mount
- Supplier Device Package：44-HSSOP
- Package / Case：44-BSSOP (0.433", 11.00mm Width) Exposed Pad
- Operating Temperature：-40°C ~ 105°C (TA)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The TAS5424ATDKDRQ1 is a four-channel automotive digital Class-D audio amplifier manufactured by Texas Instruments. It operates within an 8V to 22V supply voltage range and delivers up to 116W x 2 @ 2 ohms or 58W x 4 @ 4 ohms. The device features I2C control, differential inputs, and integrated protection against short circuits and thermal overload. Packaged in a 44-HSSOP with exposed pad, it supports AEC-Q100 qualification for automotive environments.
Feature Summary
- Four-channel digital Class-D architecture for high-efficiency audio amplification
- Integrated I2C interface for system configuration and monitoring
- Built-in diagnostic features including depop, mute, and shutdown modes
- Comprehensive protection mechanisms for thermal and short-circuit safety
Applications
- Automotive center console speaker systems
- Vehicle door panel audio amplification
- Surround sound channel processing in infotainment systems
- High-power multi-zone audio distribution networks
Procurement Notes
Verify component authenticity through authorized distributors as the part may be obsolete. Confirm package integrity and pin alignment before integration. Check for recent production change notices affecting electrical parameters. Ensure compatibility with existing I2C bus configurations. Validate thermal management requirements for the specific enclosure design.
Selection Notes
Select this component for applications requiring high power density in automotive environments. Consider the 44-HSSOP package constraints for PCB layout. Evaluate thermal dissipation needs given the high output capabilities. Verify that the host controller supports the required I2C communication protocol. Assess system voltage stability within the 8V to 22V operating range.
Part Context
This amplifier belongs to the TAS54x4 family of four-channel automotive digital amplifiers from Texas Instruments. It shares architectural similarities with the TAS5414A but offers distinct performance characteristics tailored for higher power applications. The series is designed to meet stringent automotive reliability standards while providing flexible digital control interfaces.
Replacement Considerations
The TAS5424ATDKDRMQ1 is listed as a recommended replacement. Verify pinout compatibility and electrical specifications before substitution. Confirm that any suffix changes do not alter functional behavior. Review updated datasheets for potential parameter variations.
