Wireless power receiver IC matches wired charging speeds

Posted By : Barney Scott
Wireless power receiver IC matches wired charging speeds

Toshiba has launched a wireless power receiver IC that will enable mobile devices to be charged wirelessly, as fast as if they were connected to the charger via a cable. The TC7764WBG supports a maximum power output of 5W and is compliant with the Qi standard’s low power specification V.1.1.2, defined by the Wireless Power Consortium (WPC).

Wireless power transfer allows adoption of a fully insulated case free of exposed charging ports, an advantage that is stimulating demand for waterproof and dustproof portable products, such as smartphones and tablets. However, wireless charging has not always been as fast as charging by cable.

To overcome this difference, Toshiba has optimised the circuit design of the TC7764WBG so that maximum output power is increased to 5W and a maximum power conversion efficiency of 95% is achieved. This enables mobile devices to be charged wirelessly as fast as if they were connected to a cable charger.

To ensure mobile device safety, the IC integrates a Qi protocol authentication circuit for power transfers, foreign object detection functions, Under-Voltage LockOut (UVLO) and Over-Voltage LockOut (OVLO) functions for the external power supply bypass option as well as Thermal ShutDown functions (TSD).

The IC is housed in a WCSP28 package measuring just 2.4x3.67x0.5mm.


You must be logged in to comment

Write a comment

No comments

Sign up to view our publications

Sign up

Sign up to view our downloads

Sign up

European Microwave Week 2018
23rd September 2018
Spain Ifema Feria De Madrid
Connected World Summit 2018
25th September 2018
United Kingdom Printworks, London
IoT Solutions World Congress 2018
16th October 2018
Spain Barcelona
Engineering Design Show 2018
17th October 2018
United Kingdom Ricoh Arena, Coventry
Maintec 2018
6th November 2018
United Kingdom NEC, Birmingham