0421 Mw Nxp Qfn Wi Fi 6 6 E Modules Promo

Wi-Fi 6/6E Comes to Handsets in QFN Front-End ICs

April 28, 2021
NXP looks to get ahead of the curve on Wi-Fi 6/6E adoption in growing markets like industrial applications, the IoT, and home/enterprise access points.

Over the next few years, Wi-Fi 6 and 6E technologies are poised to grab a big piece of the growing connectivity market in applications such as wireless online access, automotive, industrial/IoT, and portable devices. And NXP Semiconductors, already very well established in those markets, knows that the market will be hungry for front-end ICs (FEICs) in compact form factors like the quad-flat no-leads (QFN) package.

That’s why the Netherlands-based semiconductor maker is betting on its lineup of Wi-Fi FEICs in packages including the QFN, chip-scale packages (CSPs), and RF front-end modules (RFFEs) for applications such as smartphones and computing devices.

NXP says that OnePlus has chosen its WLAN7205C QFN RFFE for Wi-Fi 6 for its latest flagship smartphone, the OnePlus 9, making that handset the industry’s first to feature a Wi-Fi 6E QFN device. That device, a single-channel RFFE, packs a monolithic integrated SiGe power amplifier, switch, and low-noise amplifier to improve the range capability of the handset’s Wi-Fi communications.

The WLAN7205C covers from 5.150 to 7.125 GHz, which enables it to range across the 5-GHz Wi-Fi 6 band and beyond into the 6-GHz Wi-Fi 6E (Extended) spectrum, where device OEMs can reap the rewards of uncongested frequencies that lend 5G-like performance to Wi-Fi connectivity. It features five transmit modes per band and two receive modes.

An advantage of the 2- × 2-mm QFN module is that it can be placed close to the antenna, reducing trace losses, as opposed to dual-channel, modular solutions available in the market. This improves transmission and reception, increases battery life for longer Wi-Fi usage, and enables faster data transmission for an improved user experience. The device’s high level of integration is what makes the smallest QFN package possible.

What’s more, the WLAN7205C includes integrated RF decoupling capacitors for all VCC and control pins and requires no external matching components to gain a 50-Ω impedance into the antenna. That saves even more space within the handset.         

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