202114 Apr
Qualcomm reference design extends 30W wireless charging to smartphones
General News

Qualcomm Technologies’ 5G mobile reference designs provide turnkey solutions that are intended to facilitate smartphone OEMs to quickly and cost effectively implement fast wireless charging on flagship and mid-range smartphones, with Multi-Time Programmability (MTP) and OTA updates to simplify software development and Qi certification process. “We are excited to grow our collaboration with Qualcomm Technologies as part of our journey to developing leading-edge wireless charging solutions and opening up reliable wireless power access for mass adoption,” said Amit Bavisi, Vice President and General Manager of Renesas Wireless Power Group, Mobility Infrastructure and IoT Power Business Division. “Working together with Renesas, we intend to deliver turnkey fast wireless charging solutions for mainstream mobile devices.” The Renesas P9412 wireless power receiver is the industry’s first 30W power receiver with a high voltage integrated capacitor divider, offering power efficiency with 40% reduction in solution size compared with conventional solutions and freeing up PCB area for customers to include other features. For a safe and fast charging experience, a custom high-power protocol is embedded in the device firmware, allowing the system to authenticate power transfer beyond the 15W defined by WPC EPP standard. Renesas’s Wattshare technology enables the mobile device to become a power source and wirelessly charge accessories in the ecosystem, such as earbuds and smart watches.

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