Wireless power transfer

摘要

Systems and methods are disclosed that enable power regulation during wireless power transfer, such as during magnetic resonance (MR) charging of one or more devices from a power transfer device, by applying a cascading charging mechanism that includes identifying a priority order of charging of each of the one or more devices to allocate wirelessly transmitted power to the one or more devices.

主权项

1. A method performed by a wireless power transfer device, the method comprising:
applying a cascading charging mechanism to allocate wirelessly transmitted power to one or more wireless devices, wherein applying the cascading charging mechanism comprises, performing:
determining that a percentage of battery charge of each of the one or more wireless devices is at or below a threshold;identifying a priority order of charging of each of the one or more wireless devices, wherein a first priority order of a first wireless device of the one or more wireless devices is based on a first percentage of battery charge of the first wireless device; andrepeating, according to the priority order, for each particular wireless device of the one or more wireless devices other than a lowest-priority wireless device:
determining an amount of remaining power available for wireless transfer; andassigning to the particular wireless device a portion of the remaining power,wherein the lowest-priority wireless device is assigned a remaining portion of available power.