Automotive

Automotive audio amplifier with load dump and I2C diagnostics

27th March 2019
Alex Lynn

The TAS5421-Q1 from Texas Instruments is a mono digital audio amplifier, well suited for use in automotive emergency call (eCall), telematics, instrument cluster, and infotainment applications. The device provides up to 22W into 4Ω at less than 10% THD+N from a 14.4-Vdc automotive battery. 

The wide operating voltage range and excellent efficiency make the device ideal for start-stop support or running from a backup battery when required.

The integrated load-dump protection reduces external voltage clamp cost and size, and the onboard load diagnostics report the status of the speaker through I2C.

For more information, click here.

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