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PRODUCTS

General Description

AB1533 is a Bluetooth 5.0 dual mode certified single chip solution, which supports HD Audio. AB1533 provides premium audio performance, crystal voice and advanced music quality in most of the Bluetooth audio headset applications. New generation echo cancellation and noise reduction schemes improved audio quality of the voice calls on the headset products.A Tensilica HiFi EP processor is embedded for the I/O peripheral control, protocol stack and DSP processing functions of AB1533. MMI and voice prompt contents can be customized. Internal Audio codec supports high quality audio signals for premium audio applications. A specific touch sensor controller is equipped with power on/off control capability. A Feed-Forward ANC circuitry is embedded to reduce the ambient noise and leave the pure music for the audience.

 

Features

Platform
  • Tensilica HiFi EP processor
  • Embedded 16Mb flash
  • Support iOS and Android APP
  • Capacitive touch sensor controller with power control modes
  • Integrated Li-ion battery charger supports over-discharging protection
  • Integrated 1.35V/1.8V Buck and 3V/1.2V LDO regulator
Connectivity
  • SPI, UART, I2C, I2S, USB Device, SDIO, AMIC and DMIC
Bluetooth and Audio
  • Bluetooth 5.0 dual mode, including low energy profiles
  • A2DP profile version 1.3 compliant
  • HFP profile version 1.7 compliant
  • HSP profile version 1.2 compliant
  • AVRCP profile version 1.6 compliant
  • SPP profile version 1.2 compliant
  • 24-bit 96KHz HD Audio
  • Noise reduction and echo cancellation
  • Multiband Programmable EQ and Dynamic Range Control
  • Packet loss concealment
  • Wideband speech, wideband voice prompt and customized voice prompt
  • AiroThru

Applications

  • ANC headsets and headphones

Package

  • 5.5mm x 5.9mm 96-ball BGA package