Turn Up The Volume With Tiny 12V Audio Amplifier


NXP has unveiled a tiny but powerful 12-volt audio amplifier with embedded DSP to obtain deeper bass and higher sound fidelity in smartphones, netbooks, sound bars and more.

The TFA9892 has an embedded DSP featuring an integrated speaker boost algorithm that provides tremendous improvements in bass and drums performance, reduces background noise and eliminates compression artifacts.

The new chip is introduced as the industry’s first power amplifier capable of delivering a 12-volt boosted output, reaching above seven watts of output power from a single cell battery, or up to 15 watts from a 12-volt supply.

The chip features smart speaker protection by sensing current, power, and temperature, thus allowing consumers to get the best audio quality performance out of the speakers while preventing damage, says NXP.


“Delivering superior sound quality with acoustic perfection is important to NXP and we always strive to create solutions that complement the user experience,” said Chae Lee, senior vice president and general manager, secure interfaces and power business with NXP. “As a leading supplier of smart audio solutions, the new TFA9892 is a testament to how NXP delivers exceptional long lasting audio experiences in portable and mobile consumer devices.”

The TFA9892 provides exceptional power efficiency, enables louder sound capability and wider dynamic range on to an 8-ohm speaker. In addition, high efficiency can reduce battery consumption to enable longer playing and listening time.

A speaker protection algorithm enables power delivery of up to more than 7.4 watts on 4.2-volt batteries with one percent Total Harmonic Distortion (THD) on 8-ohm and two watt rated speakers.

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