Patent ID: 9465421
Filing Date: 2016-10-11
CPC Classification: G06F,H02M

Claim Text:
1. A power management system including an application processor and a power management unit (PMU), the power management system comprising: a first single-wire interface of the application processor, the application processor being configured to generate one or more control signals; a second single-wire interface of the PMU, the PMU being configured to generate an output voltage based on the one or more control signals; and a control signal line that connects the first and second single-wire interfaces, wherein the first single-wire interface transmits the one or more control signals to the second single-wire interface via the control signal line, and the second single-wire interface transmits one or more operating modes of the PMU to the first single-wire interface via the control signal line, wherein the one or more operating modes are used by the first single-wire interface to monitor the output voltage generated by the PMU, and wherein the one or more control signals are adjusted based on the one more operating modes to regulate the output voltage generated by the PMU.