Qi-certified, 15-W wireless power transmitter

July 27, 2016 // By Graham Prophet
Texas instruments aims its latest wireless-charging transmitter IC at fast-charge industrial applications. Offered as the first Wireless Power Consortium (WPC) v1.2 Qi-certified 15-W wireless power transmitter, bq501210 enables 84% system efficiency with lower thermal dissipation than traditional wireless power devices.

The transmitter supports multiple fast-charging protocols and offers an array of flexible and customizable features for personal electronics, medical and space-constrained industrial applications. Specific deployments are anticipated in point-of-sale devices and handheld medical equipment that will benefit from 15-W wireless power. Fixed-frequency operation helps achieve highest 15-W efficiency as well as reducing electromagnetic interference (EMI).

Fast-charge negotiation with mobile devices enables the transfer of up to 10W to compatible receivers, including existing fast-charging devices on the market. The High-Voltage Dedicated Charging Port (HVDCP) protocol negotiates with capable AC/DC wall adapters to adjust the input voltage. The rail control output provides power to deliver a full 15W with inputs between 15 and 19 , and enables lower power operation, such as 5 , with inputs as low as 5 .

 

Evaluate the device’s features and performance with the bq501210 evaluation module (EVM). The bq501210EVM-756 is available for $149. A blog post addresses, “ What does wireless power mean for industrial applications?

 

The bq501210 transmitter in a 9 x 9-mm very thin quad flat no-lead (VQFN) package is priced at $3.75 (1,000).

 

TI; http://www.ti.com/bq501210-pr