QCA-9378-7-176CSP-TR-04-0

Overview

The QCA9378 is a single-stream 802.11ac MU-MIMO and Bluetooth 5 wireless LAN and Bluetooth combination solution. It supports 1x1 802.11a/b/g/n/ac WLAN standards and Bluetooth 5.0 + HS, delivering superior integration of WLAN/Bluetooth and low-energy technology. The chip features an integrated RF front end with a single-ended design, supporting Class-1 and Class-2 transmissions without an external power amplifier. It operates on a single regulated 3.3V supply and includes offloading capabilities for minimal host utilization. Key Wi-Fi specifications include up to 433 Mbps peak speed, 256-QAM modulation in the 2.4GHz band, and support for LDPC encoding/decoding, STBC, and Transmit Beamforming.

Feature Summary

• Integrated single-die solution combining 1x1 802.11ac WLAN and Bluetooth 5.0
• Supports advanced 802.11ac features including MU-MIMO and Host wake-on-wireless
• Dual-mode Bluetooth 5 operation supporting Class-1 and Class-2 transmissions
• WLAN/Bluetooth coexistence for superior throughput and low-latency performance

Applications

• Smartphones and mobile devices requiring integrated connectivity
• IoT devices needing low-power WLAN and Bluetooth solutions
• Consumer electronics utilizing 802.11ac and Bluetooth 5 standards

Procurement Notes

Verify the specific ordering suffix against official Qualcomm documentation to ensure correct package type and tape-and-reel configuration. Confirm that the component meets all relevant regulatory certifications for the target market. Ensure compatibility with the host system's interface requirements and power supply constraints before procurement.

Selection Notes

Select this component for applications requiring a compact, single-chip solution for both Wi-Fi and Bluetooth connectivity. It is suitable for designs prioritizing low power consumption and high integration levels. Consider the integrated RF front end and lack of need for an external power amplifier for simplified board design.

Part Context

The QCA9378 belongs to Qualcomm's portfolio of wireless connectivity solutions, specifically designed for mobile and IoT markets. It represents a generation of chips integrating 802.11ac Wi-Fi with Bluetooth 5, offering backward compatibility with older Bluetooth versions. This series aims to reduce system complexity and cost by consolidating multiple radio functions into a single die.

Replacement Considerations

Check for pin-to-pin compatible alternatives within the same Qualcomm family or newer generations with updated security patches. Verify if existing firmware drivers support the replacement part number. Ensure any substitute maintains the required 802.11ac and Bluetooth 5 feature set.