With the continuous development of Bluetooth and chip technologies, Bluetooth audio SOC has been widely used. Recently, I love audio network disassembled a Green Link USB car Bluetooth audio receiver product, which has a built-in Bluetrum AB5335B Bluetooth module, supports Bluetooth 5.0 wireless transmission technology, SBC/AAC audio codec; easy to connect , It will automatically connect after starting the car after one connection; also built-in microphone supports CVC call noise reduction and hands-free call.

Bluetrum Expands the Application Area, AB5335B Bluetooth Module Enters the Car Bluetooth Audio Receiver Products-askpower

The appearance of Greenlink USB Car Bluetooth Audio Receiver adopts TPE material spring cable with high resilience performance, which can realize the use distance of 0.3m-1.5m; the wire and interface are all covered with long tail protection to increase the life of cables.

Bluetrum Expands the Application Area, AB5335B Bluetooth Module Enters the Car Bluetooth Audio Receiver Products-askpower

Green Union USB Car Bluetooth Audio Receiver is disassembled for the family portrait. Both the USB-A interface and AUX plug are protected by a metal shell, and a plastic frame is buffered inside the shell to reduce the risk of damage to the motherboard.

Bluetrum Expands the Application Area, AB5335B Bluetooth Module Enters the Car Bluetooth Audio Receiver Products-askpower

The internal configuration adopts AB Bluetrum AB5335B Bluetooth audio SOC, supports Bluetooth 5.0 technology, SBC/AAC audio codec; built-in Greenlink UG002 power isolation module chip, filter electromagnetic interference; microphone unit realizes call noise reduction and hands-free call, etc. Features.

Bluetrum Expands the Application Area, AB5335B Bluetooth Module Enters the Car Bluetooth Audio Receiver Products-askpower

The main control chip is Lanxun AB5335B Bluetooth audio SoC.

AB5335B has a 32-bit processor, supports DSP instruction set, operating frequency up to 125MHz; supports Bluetooth 5.0 EDR/BLE; built-in lithium battery charging management, built-in battery protection devices such as overvoltage, overcurrent, and undervoltage protection; adopts QFN24 4×4 Small package, suitable for various headsets, Bluetooth receivers and other products.

Bluetrum Expands the Application Area, AB5335B Bluetooth Module Enters the Car Bluetooth Audio Receiver Products-askpower

Bluetrum AB5335B detailed data picture.

Shenzhen Bluetrum Technology Co., Ltd. is a high-tech company focusing on R&D and sales of wireless interconnect SoC chips, providing one-stop application solutions to help customers quickly launch industry-leading wireless smart products. Its products are rich and widely used. During the process of dismantling, I learned about five representative audio products of  2020 Bluetrum, and recently discovered that Lanxun’s Bluetooth audio SOC has entered the field of car wireless charging.