The TFA9912 is very highly-efficient 12 V boost converter. It is equipped with a low-power CoolFlux™ DSP which runs an advanced algorithm for speaker boost and protection to bring high end audio quality into mainstream applications.
With the new speaker-as-microphone solution, the TFA9912 will offer great audio recording quality and reducing wind-noise when talking. It also has tap sensing on the speaker which allows you to tap anywhere on the phone to take selfie or any other feather. This tap detection will be in “Always On” mood.