QCC-721-1-217MSP-MT-0D-0

Overview

The Qualcomm QCC721 is a Bluetooth 5.4 System-on-Chip designed for ultra-low power applications. It integrates a Cortex-M33 processor, a dedicated application MCU, and a security subsystem within a compact package. The device supports Bluetooth LE Audio, including LC3 codec processing, and offers hardware-accelerated cryptography. Key electrical characteristics include a supply voltage range of 1.62V to 3.63V and operation across an industrial temperature range. It features integrated RF transceivers for sub-1GHz and 2.4GHz bands, enabling multi-protocol connectivity without external components.

Feature Summary

• Integrates a dedicated application microcontroller to offload tasks from the main Bluetooth core, enhancing efficiency for IoT workloads.
• Includes a hardware-based security subsystem with a Root of Trust CPU for secure boot and encrypted storage.
• Supports Bluetooth LE Audio with built-in LC3 codec decoding for high-quality, low-power audio streaming.
• Features multi-protocol capability supporting both Bluetooth 5.4 and sub-1GHz ISM band communications.

Applications

• Smart home sensors and actuators requiring long battery life
• Wearable health and fitness devices with audio capabilities
• Asset tracking beacons and location tags
• Wireless headphones and earbuds utilizing LE Audio

Procurement Notes

Verify the specific suffix codes against the official datasheet to confirm package type, temperature grade, and tape-and-reel specifications. Ensure compatibility with the required antenna design and external crystal oscillator if applicable. Confirm that the selected variant meets the regulatory certification requirements for your target market before finalizing procurement orders.

Selection Notes

Select this component when designing for Bluetooth 5.4 LE Audio or mixed-signal IoT environments. It is suitable for applications needing simultaneous sub-1GHz and 2.4GHz radio access. Consider the integrated MCU resources for firmware complexity. Evaluate power consumption profiles against battery constraints. Compare pinout compatibility with existing reference designs if migrating from previous generations.

Part Context

This part belongs to the Qualcomm QCC7000 series of Bluetooth SoCs. It represents an evolution in low-power wireless connectivity, focusing on audio integration and security. The series targets the growing market for smart accessories and connected devices. It complements higher-performance platforms by offering specialized efficiency for constrained embedded systems.

Replacement Considerations

Check for direct replacements within the QCC7xxx family, such as QCC711 or QCC721 variants with different suffixes. Verify pin-to-pin compatibility and software stack support. Ensure any substitute maintains the required Bluetooth version and security features.

FAQ

Does the QCC721 support Bluetooth LE Audio?

Yes, the QCC721 supports Bluetooth 5.4 and includes hardware acceleration for the LC3 codec used in Bluetooth LE Audio.

What is the purpose of the dedicated application MCU?

The dedicated application MCU allows customer code to run independently of the Bluetooth stack, freeing the main processor for other tasks and improving overall system efficiency.