Receiver IC promises faster wireless charging
Toshiba Electronics Europe has announced the launch of the industry’s first single-chip 15W wireless power receiver IC that is compliant with the Qi v1.2 specifications defined by the Wireless Power Consortium (WPC). The TC7766WBG has been designed for use in mobile devices such as smartphones, tablets and a range of mobile industrial devices.
The TC7766WBG enables fast wireless charging, with charging times similar to, and in some cases less than, wired charging. It accomplishes this by increasing the power reception capability by a factor of three compared to existing products, while maintaining a small footprint.
In addition, a receiver side I2C interfacecompatible host controller can exchange information with a compatible transmitter to enable user-notification of wireless charging status via the mobile device display.
Housed in a WCSP28 package measuring just 2.4x3.67x0.5mm, the TC7766WBG features a host of protection functions as well as all the rectifier circuits and controllers needed to construct a standalone wireless power transfer RX system. The device is constructed using Toshiba’s original cutting-edge CD-0.13 process.
With a maximum output current of 1.7A and adjustable output voltage settings of 5-14V, the receiver is compatible with Toshiba’s 5W transmitter IC TB6865AFG, as well as with other 15W wireless charging transmitters complying with the Qi v1.2 standard.
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