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PRODUCTS

AB1562 is a Bluetooth 5.2 dual mode certified single chip solution, integrated Active Noise Cancellation (ANC) and provide ultra- low power performance. AB1562 is optimized for use in TWS and Stereo headset and provides great audio performance, crystal voice and advanced music quality in most of the Bluetooth audio headset applications.
A Tensilica HiFi Mini processor is embedded for the I/O peripheral control, protocol stack and DSP processing functions of AB1562/1561. New generation echo cancellation and noise reduction schemes improved audio quality of the voice calls on the headset products.
AB1562 also supports Airoha MCSync(Multi cast synchronization) technology which allows earbuds to seamlessly switch between the left and right earbud for a more balanced sound with low latency.
 
DSP Host processor
•Cadence® HiFi Mini®Audio Engine DSP coprocessor
•Maximum speed: 208MHz
•544kB RAM
Peripheral
•I2C, UART, SPI, PWM, AUXADC, I2S
Bluetooth and Audio
•Bluetooth 5.2 Qualified
•BR, EDR, Bluetooth Low Energy, Dual-mode Bluetooth
•Support BLE1M/2M
Power management
•Highly integration PMU built in LDO and bucks
•Li-ion battery charger for internal charging and supports over-discharging protection
Memory
•System in Package (SiP) 16Mb flash memory
•System in Package (SiP) 32Mb flash memory (AB1562M and AB1561M)
Audio
•The maximum sample rate is 192 KHz and data precision is 24-bit.
•Side-tone filter
•Hardware Active Noise Cancellation(ANC)
-Feedforward ANC (only AB1562A and AB1562F support)
-Hybrid ANC (only AB1562A supports)
•I2S master or slave modes
•16/24-bit data addressing format
•mono or stereo data transactions
•Hardware gain control
•Noise suppression and echo cancellation
•Multiband Programmable EQ and Dynamic Range Control
•Ambient sound
Software
•FOTA
•Voice assistant support
•Reference IOS and Android smart phone APP
•Voice prompt
•SW development kit and tool support
Package
•QFN of 4mm*6.5mm package
Application
•True wireless earbuds(AB1562)
•Stereo headset(AB1561)