The IC will be used in wireless power supply applications, such as smartphones and mobile accessories. Fabricated in a combined CMOS-DMOS process it reduces losses by 30%, representing a reduction in heat generation of 70% compared to previous products. It achieves 95% power conversion efficiency. The IC’s built-in protocol authentication circuit, includes a foreign object detection (FOD) function, eliminates the need for an external microcontroller and contributes to simplified system designs.
TC7761WBG has been Qi-certified for an output power of 3.5W, and can handle a maximum output power of 5W.