The smart wireless earbuds market is growing at an impressive rate. According to a report from market researcher, Arizton, the global earbuds market is estimated to reach revenues of around $7 billion by 2023, growing at a CAGR of about 31% during 2018-2023.

Optimized for compact and low-power applications, this design incorporates the P9222-R, an integrated single-chip wireless power receiver IC. It is highly efficient at light loads and very well-suited for applications like earbuds case charging.

System Benefits:

  • The P9222-R is an ultra-compact, efficient wireless power receiver for up to 5W applications
  • The RL78/G13 microcontroller (MCU) provides a low power but flexible control unit
  • The ISL9205D is a complete charger for single-cell Li-ion/polymer batteries

smart-earbuds-case-charger-block-diagram

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