Product Overview
The AB1526 is a Bluetooth 5.0 dual-mode audio SoC (System-on-Chip) from Airoha Technology (MediaTek Group). It is a highly integrated single-chip solution combining baseband, RF transceiver, DSP, and power management for TWS (True Wireless Stereo) earbuds and Bluetooth headset applications. The chip supports A2DP, HFP, HSP, AVRCP profiles, AAC codec, dual-mic noise cancellation, and echo cancellation. It comes in a small BGA package, making it ideal for ultra-compact wireless audio devices.
Key Specifications
| Chip Type | Bluetooth Audio SoC |
| Bluetooth Version | Bluetooth 5.0 Dual Mode (BR/EDR + BLE) |
| Profiles | A2DP 1.3, HFP 1.7, HSP 1.2, AVRCP 1.5, SPP 1.2 |
| Audio Codecs | SBC, AAC-LC |
| DSP | Embedded dual-MAC DSP (96MIPS) |
| Microphone | Dual-mic ANC/ENC support |
| Charging | Integrated Li-ion charger (250mA) |
| Package | Small BGA package |
| TWS Support | Yes (True Wireless Stereo) |
| OTA Upgrade | Yes (Firmware over-the-air) |
Features
- Bluetooth 5.0 dual-mode certification (BR/EDR + BLE)
- EDR (Enhanced Data Rate) support
- Embedded 96MIPS dual-MAC DSP co-processor
- Dual-microphone noise reduction and echo cancellation
- Programmable equalizer (EQ)
- Packet loss concealment support
- Wideband speech and voice prompts
- AAC-LC decoder support
- Custom voice prompts and voice commands
- Air firmware upgrade (OTA) support
- iOS and Android APP support
- Integrated Li-ion battery charger (250mA fast charge)
- Over-discharge protection
- TWS (True Wireless Stereo) support
- Ultra-small BGA package for compact earbuds
Applications
- TWS (True Wireless Stereo) earbuds
- Bluetooth stereo headsets
- Wireless earphones
- Sports headphones
- Gaming earbuds
- Hearable devices
- Wearable audio devices
\li>Smart audio accessories