Components for wireless battery charging: coil modules to Qi global standard

Components for wireless battery charging: coil modules to Qi global standard

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By eeNews Europe

The RWC5353 series comprise transmitter coil modules that meet the Wireless Power Consortium’s WPC) Qi standard, the global standard for wireless charging. With more than 20 million people using Qi-phones, the market for wireless charging devices is poised for explosive growth.

“Laird is a leader in ferrite products and offers an extensive line of signal integrity and EMI filtering solutions,” said Jill Tsai, product specialist at Laird. “We have taken our expertise one step further and developed a solution for the emerging wireless charging market that reduces EMI and improves performance while still keeping costs down.”

These RWC5353 series charging coil modules use ferrite material 28, which is not only WPC-recommended but also improves reliability. The power transmitter in the modules is A1 compliant and can support up to 5W of power transfer. This complete solution features a high Q factor for maximum wireless power charging efficiency and is designed for extended operating temperatures of -40° to 85°C.

There are over 200 Qi certified products available on the WPC’s website, ranging from smart phones and tablets to components. The company’s RWC5353 series provides a standard solution to help shorten design cycles for engineers who are developing wireless charging devices.

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