QCS-405-0-NSP722-MT-01-2-AA

Soc System On Chip Overview

The Qualcomm QCS405 is a System-on-Chip designed for premium smart audio applications, featuring a quad-core CPU and integrated Adreno 306 GPU with display support. It includes dual DSPs and an AI Engine for local voice UI and machine learning. The SoC supports up to 32 channels of audio post-processing via hardware enhancement. Connectivity options include integrated 2x2 Wi-Fi 802.11ac, Bluetooth 5.1, and Zigbee/15.4 with coexistence technology. It enables low-latency streaming and immersive audio formats like Dolby Atmos and DTS:X.

Soc System On Chip Feature Summary

• Integrated Adreno 306 GPU and display interface for premium smart speakers with visual capabilities
• Dual DSP architecture supporting up to 32-channel audio post-processing and multi-mic beamforming
• On-device AI Engine enabling local automatic speech recognition and configurable multi-keyword detection
• Highly integrated connectivity with Wi-Fi 802.11ac, Bluetooth 5.1, and Zigbee coexistence

Soc System On Chip Applications

• Premium smart speakers
• Smart soundbars
• Home automation hubs
• Audio visual receivers
• Smart assistants with display

Soc System On Chip Procurement Notes

Verify the specific ordering suffix against the official Qualcomm product brief to confirm feature set alignment, such as display support or connectivity variants. Ensure compliance with the Product Longevity Program requirements if long-term supply stability is required for the design. Confirm that the component meets all relevant regulatory standards for the target market before finalizing procurement plans.

Soc System On Chip Selection Notes

Select the QCS405 when display integration and high channel count audio processing are required, distinguishing it from the QCS404 which lacks the GPU and has fewer audio channels. Consider the QCS407 for similar features but verify specific tier differences. Evaluate power consumption profiles for battery-powered versus mains-connected designs, leveraging the SoC's optimized standby performance for voice wakeup scenarios.

Soc System On Chip Part Context

The QCS405 belongs to the Qualcomm QCS400 series of dedicated audio System-on-Chips. This family targets the voice-controlled home audio ecosystem, offering scalable architectures across different tiers. While sharing core technologies like the AI Engine and dual DSPs with siblings like the QCS404 and QCS407, the QCS405 specifically adds GPU and display capabilities for enhanced user interfaces in premium audio devices.

Soc System On Chip Replacement Considerations

Public documentation identifies the QCS404 and QCS407 as related series members. However, direct substitution requires careful evaluation of feature differences, particularly regarding display support and audio channel capacity. Verify that any alternative component maintains compatibility with existing software stacks and hardware reference designs to ensure seamless integration without redesign.

Soc System On Chip FAQ

Does the QCS405 support display output?

Yes, the QCS405 includes an integrated Adreno 306 GPU and display interface, unlike the QCS404 and QCS403 which do not have these features.

What is the maximum number of audio channels supported?

The QCS405 supports up to 32 channels of audio post-processing through its dedicated high-performance audio DSP with hardware enhancement.

Which wireless connectivity standards are integrated?

The SoC integrates 2x2 Wi-Fi 802.11ac, Bluetooth 5.1, and Zigbee/15.4 with advanced coexistence technology for low-latency streaming.