Patent 9465421 was granted and assigned to Broadcom (company) on October, 2016 by the United States Patent and Trademark Office.
A single-wire interface of an application processor that communicates with another single-wire interface of a power management unit (PMU) via a control signal line. The control signal line can be a single signal path. Further, the single-wire interfaces can communicate with each other only via the control signal line. The single-wire interfaces can be utilized for the communication of pulse width modulation (PWM) control signals, current sensing, and Zero-I detection.