Wireless Power Has A Rich History at Renesas

PublishTime： 2022-11-09 Article Source：Renesas Blogs

Renesas is committed to the corporate vision outlined by CEO Toshi Shibata to “make our lives easier.” Wireless Power is one of many technologies that Renesas has continued to innovate and raise customer expectations. For more than 10 years now, Renesas has persistently focused on improving in three dimensions; creativity and better user experience, better ergonomics in industrial design to help devices blend into users’ lifestyles, and versatile.

While you can find wireless power embedded into various everyday devices such as in home, car, airplanes, hotels, and industrial robots, each of Renesas' wireless power solutions have been designed to excel in technical advancement and practical solutions to the common problems that improve bill of material and customer design cycle time.

Creativity

Renesas solutions can be found in low-power and low-thickness applications such as active styli or digital pens. These pens are now common in smartphones, tablets, and other creativity-driven devices. Renesas has developed significant system knowledge to help Renesas customers develop next-generation stylus solutions with wireless charging receiver and transmitter solutions (for stylus and end device respectively). Renesas has particularly optimized the magnetic coil design, and higher frequency of operation enabling a sleek stylus design and eliminating e-waste by eradicating the coin cell or AAAA batteries.

Versatility

Renesas was the first to market to enable premium smartphones with reverse charging or bidirectional charging capability. Renesas enabled such versatile features by focusing on system-level collaborative design with Renesas' customers, in addition to IC design, as well as firmware communication and control algorithms. Such features have enabled highly versatile wireless charging capabilities in smartphones that enable the next generation of applications such as smart doors and e-locks, smart banking, smart batteries, and accessories. By optimizing the overall solution and ease of design, Renesas is also excited to find applications in even broader solutions such as smart pet tags and trackers.

Better ergonomics

While flat back or planar industrial devices were almost mandatory for wireless charging early on, Renesas continues to excel in blending Renesas' solutions to meet more ergonomic industrial design requirements that are now demanded in everyday devices such as smartwatches and smart glasses. In these applications, Renesas has crafted Renesas solutions by keeping in mind customer requirements for fast charging capabilities while keeping surface temperatures low and keeping the overall solution small by launching the world’s highest power density devices with high efficiency. In addition, Renesas has optimized operating solution frequencies to enable smaller and lighter coil designs to limit the weight added to the final products.

In a supply-constrained environment, Renesas continues to provide these cutting-edge solutions with Renesas' global supply partners and a robust supply chain to back Renesas' products. In addition, to ensure even more scale and ease of use, Renesas is expanding Renesas' overall appeal to customers by attaching wireless power to even more Winning Combination reference designs to simplify design and deployment.

Renesas will soon bring to market new IC architectures and feature-rich solutions including complete battery management solutions, as well as broad digital features to simplify system design. Renesas' talented global technical teams in the US, China, and Europe are available to work very closely with industrial design and solution partners and customers to ensure that the next generation of wireless charging-enabled devices is even better.

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