Why Not A Wire? The case for wireless power.

Kalyan Siddabattula - System Architect, bqTESLA Wireless Power Solutions, Texas Instruments

What is the efficiency of a traditional wired charger? And how does that compare with wireless charging?

This presentation analyses the efficiency losses in the total system chain, including AC/DC conversion and battery charging regulator. An example demonstrates that a wireless charging chain can be as efficient as a wired charger when the receiver implements 'direct charging'.

The complete presentation is also available as download: Why Not A Wire - The case for wireless power.pdf

 

This presentation is also available as PDF file: Why Not A Wire - The case for wireless power.pdf

From the Qi Blog

Benefits of Qi Wireless Charging

One of the things we hear the most after consumers use Qi wireless charging for the first time is, “it’s so simple” or “how did I go without wireless charging before?” Most people don’t realize the convenience of wireless charging until they use it throughout their daily life.
Read more

Apple Chooses Qi Wireless Charging Standard for new iPhones

“Today marks a pivotal day for wireless charging, and those that stand to benefit are consumers. With Apple’s announcement to include Qi wireless charging in the iPhone 8, iPhone 8 Plus and iPhone X, we expect to see rapid acceleration in consumer adoption and an increase in category innovation. We’re closer to the day of ubiquitous access to wireless charging, giving people a convenient, always-charged experience."
Read more

Beware of fake wireless phone chargers

Wireless chargers are sophisticated, high-tech products – safe, efficient, and easy to use. More than 150 million wireless chargers are used safely every day, and that number is growing fast. The vast majority of these 150 million wireless chargers use our Qi standard. We are proud of Qi’s safety record.
Read more