Deep Dive Teardown of the Amazon Fire TV Soundbar EVG487 Smart Speaker
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Several manufacturers share design wins in the Amazon Fire TV Soundbar EVG487. The audio Processor with memory was supplied by SunPlus, Texas Instruments supplied the 23 W Stereo Class-D audio amplifiers, 1 A Synchronous Buck Converter, and 3 A Step-Down DC-DC Converter. ESMT provided the EN25QH32B 4 MB serial flash memory. The Amazon Fire TV Soundbar EVG487 is a low-end device in the Fire TV platform family. The Soundbar doesn’t support Alexa or Alexa Home Theater. The speaker connects to the system with an HDMI or Optical Audio Connector. The HDMI ARC (Audio Return Channel) feature allows for a single HDMI connection between the soundbar and the TV, simplifying setup and enabling two-way communication between the devices. Actions Technology supplied ATS2853 Bluetooth 5.0 Audio SoC. The Smart Soundbar operates with one PCB antenna, which is used for Bluetooth connectivity (2.4 GHz). IR connectivity is managed by SEMICO 4-Bit microcontroller CS53P88AGO which provided the control solution in the Remote subsystem.
