Method of controlling a power transfer system and power transfer system
AssigneeNXP B.V.
InventorsRemco H. W. Pijnenburg, Bruno Motte, Peter C. S. Scholtens
Life of this patent
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Abstract
A power transfer system which includes a power transfer device as well as at least one portable device, and to a method of controlling the power transfer system specifically in case of a dead battery condition of a battery of the portable device. The power transfer device for wireless charging of the battery arranged in the portable device and the power transfer device each comprise a near field communication functionality for data communication by a data communication link between the devices. The method includes a step of starting to establish the data communication link between the power transfer device and the portable device.
Claims20
A method of controlling a power transfer system for wireless charging of a battery power source of a portable device by a power transfer device comprising:
- initiating the data communication link between said power transfer device and said portable device,
- requesting said portable device to transmit identification information via said data communication link to said power transfer device,
- detecting whether said identification information of said portable device is received by said power device or not,
- setting a charging power to be transferred to said portable device, said charging power not exceeding a first predetermined value when said identification information is not received by said power transfer device, and
- establishing a power transfer link by said power transfer device to transfer said charging power to said portable device.
A power transfer system comprising:
- a first controller for establishing said data communication link between a power transfer device and a portable device, and for requesting said portable device to transmit an identification information via said data communication link to said power transfer device, the first controller further having a detector for detecting whether said identification information is received from said portable device, and the first controller setting a charging power to be transferred to said portable device, said charging power not exceeding a first predetermined value when said identification information is not received by said power transfer device, and
- at least one of first coils connected to said first controller of said power transfer device and as well as a second controller connected to a second coil of said portable device for establishing a power transfer link to transfer said charging power to said portable device.
Dependencies are inferred from the claim text.