Patent attributes
An example integrated circuit includes: (i) a processing subsystem configured to control operation of the integrated circuit, (ii) a waveform generator, operatively coupled to the processing subsystem, configured to generate radio frequency (RF) power transmission signals using an input current, (iii) a first digital interface that couples the integrated circuit with a plurality of power amplifiers that are external to the integrated circuit, and (iv) a second digital interface, distinct from the first digital interface, that couples the integrated circuit with a wireless communication component that is external to the integrated circuit. The processing subsystem is configured to: receive, via the second digital interface, an indication that a receiver is within transmission range of a transmitting device controlled by the circuit, and in response to receiving the indication: provide, via the first digital interface, the RF power transmission signals to at least one of the plurality of power amplifiers.
