Bluetooth Module Datasheet

PublishTime：2025-03-19

The SJR-BTM551 is a high-performance, cost-effective, low-power, and compact Bluetooth 5.3 module developed by Sky Jiarun Technologies Co., Ltd. It is based on the QCC5151 WLCSP chipset, which is a single-chip radio and baseband IC for Bluetooth 2.4GHz systems. The module is fully qualified for the Bluetooth v5.3 specification and offers dual 120 MHz Qualcomm® Kalimba™ audio DSPs, a 32/80 MHz developer processor, and a firmware processor for the system. It features a flexible QSPI flash programmable platform, high-performance 24-bit stereo audio interface, digital and analog microphone interfaces, and advanced audio algorithms. The module supports active noise cancellation, Qualcomm® aptX™ and aptX HD Audio, aptX Adaptive, and Qualcomm® cVc™ Noise Cancellation Technology. It also includes an integrated PMU with dual SMPS for system/digital circuits and an integrated Li-ion battery charger. The module is suitable for applications such as wired/wireless stereo headsets/headphones and Qualcomm TrueWireless™ stereo earbuds.

Brand of Product：	天嘉润科技
Part#：	SJR-BTM551 More Part#
Product Category：	Bluetooth 5.3 Module More
Application：	[ Wired/wireless stereo headsets/headphones ][ Qualcomm TrueWireless™ stereo earbuds ] More
Data Type：	Datasheet More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	2022-04-07
Version Number：	V1.2
Data Encoding：	Doc: SJR-BTM551_V1.2
Data Size：	683 KB

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