公开(公告)号：US10298048B1

公开(公告)日：2019-05-21

申请号：US14642765

申请日：2015-03-10

Applicant: MEDIATEK INC.

Inventor： Kuan-Kai Juan ,  Li-Ting Tsai

IPC: H02J7/02 ,  H02J7/00

Abstract: A wireless charging system is provided. The wireless charging system includes a wireless power receiver circuit and a power management unit. The wireless power receiver circuit is arranged for adjusting an output power according to charging information. The power management unit is coupled to the wireless power receiver circuit, and is arranged for receiving the output power from the wireless power receiver circuit to charge an energy source, and transmitting the charging information to the wireless power receiver circuit.

公开(公告)号：US09941751B2

公开(公告)日：2018-04-10

申请号：US14242858

申请日：2014-04-01

Applicant: MEDIATEK INC.

Inventor： Kuan-Kai Juan ,  Li-Ting Tsai

IPC: H02J7/00 ,  H02J50/60 ,  H02J7/02 ,  H02J50/10 ,  H02J50/40 ,  H02J50/00 ,  H02J50/80

CPC classification number: H02J50/60 ,  H02J7/007 ,  H02J7/025 ,  H02J50/00 ,  H02J50/10 ,  H02J50/40 ,  H02J50/80

Abstract: A method for performing wireless charging control of an electronic device and an associated apparatus are provided, where the method includes: performing at least one detection operation at a direct current (DC) output terminal of a rectifier of the electronic device to generate at least one detection result, wherein two alternating current (AC) input terminals of the rectifier are coupled to two terminals of a power input coil of the electronic device, and the at least one detection operation is not performed at the power input coil; and estimating input power of the power input coil according to the at least one detection result with aid of a set of predetermined data, and sending a packet carrying information corresponding to the estimated input power, for performing wireless charging foreign object detection (FOD), wherein the set of predetermined data is stored in a non-volatile (NV) memory of the electronic device.

公开(公告)号：US20150214773A1

公开(公告)日：2015-07-30

申请号：US14242858

申请日：2014-04-01

Applicant: MEDIATEK INC.

Inventor： Kuan-Kai Juan ,  Li-Ting Tsai

IPC: H02J7/02 ,  H02J7/00

CPC classification number: H02J50/60 ,  H02J7/007 ,  H02J7/025 ,  H02J50/00 ,  H02J50/10 ,  H02J50/40 ,  H02J50/80

Abstract: A method for performing wireless charging control of an electronic device and an associated apparatus are provided, where the method includes: performing at least one detection operation at a direct current (DC) output terminal of a rectifier of the electronic device to generate at least one detection result, wherein two alternating current (AC) input terminals of the rectifier are coupled to two terminals of a power input coil of the electronic device, and the at least one detection operation is not performed at the power input coil; and estimating input power of the power input coil according to the at least one detection result with aid of a set of predetermined data, and sending a packet carrying information corresponding to the estimated input power, for performing wireless charging foreign object detection (FOD), wherein the set of predetermined data is stored in a non-volatile (NV) memory of the electronic device.

Abstract translation: 提供了一种用于执行电子设备和相关设备的无线充电控制的方法，其中所述方法包括：在所述电子设备的整流器的直流（DC）输出端执行至少一个检测操作，以产生至少一个 检测结果，其中整流器的两个交流（AC）输入端耦合到电子设备的电力输入线圈的两个端子，并且在电力输入线圈处不执行至少一个检测操作; 根据所述至少一个检测结果，通过一组预定数据估计所述电力输入线圈的输入功率，以及发送携带与所述估计输入功率相对应的信息的分组，用于执行无线充电异物检测（FOD） 其中所述一组预定数据被存储在所述电子设备的非易失性（NV）存储器中。