Provided are systems and methods for execution by a core of a peripheral component to provide power management for a data bus in a electronic device, such as a mobile electronic device. One method comprises determining whether a device in the peripheral component is inactive, transmitting a request for deactivation of at least one data channel to the device, receiving a command to deactivate the at least one data channel, determining whether any remaining devices in the peripheral component are active, and placing the peripheral component in a first low power mode wherein the core remains active in order to monitor a data bus clock.