公开(公告)号：US09948112B2

公开(公告)日：2018-04-17

申请号：US14499009

申请日：2014-09-26

Applicant: Integrated Device Technology, Inc.

Inventor： Jianbin Hao ,  Detelin Martchovsky ,  Chan Young Jeong ,  Arman Naghavi

IPC: H01F38/14 ,  H02J5/00 ,  H04B5/00 ,  H02J50/12

CPC classification number: H02J5/005 ,  H01F38/14 ,  H02J50/12 ,  H04B5/0037 ,  H04B5/0081

Abstract: A wireless power receiver may include a receive coil configured to generate an AC power signal responsive to wireless power transfer from a wireless power transmitter, and control logic configured to detect misalignment of the receive coil and a transmit coil of the wireless power transmitter responsive to a determination of efficiency of wireless power transfer therebetween. A method for operating a wireless power receiver may include detecting misalignment between a receive coil and a transmit coil of a wireless power transmitter responsive to detecting monitoring a value indicative of efficiency of wireless power transfer between the wireless power transmitter and the wireless power receiver, and causing an indication to be provided to a user to assist with correcting the misalignment.

公开(公告)号：US11909220B2

公开(公告)日：2024-02-20

申请号：US16709699

申请日：2019-12-10

Applicant: Integrated Device Technology, Inc.

Inventor： Nicholaus Smith ,  Chan Young Jeong ,  Detelin Martchovsky ,  Ashley DeWolfe ,  Damla Acar

IPC: H02J50/10 ,  H02J50/70 ,  H02J50/40

CPC classification number: H02J50/10 ,  H02J50/70 ,  H02J50/40

Abstract: A wireless power device is presented that avoids transmit conflicts. The device can include a rectifier circuit coupled to a coil; a transmit driver coupled to the rectifier circuit; a transmit detect circuit configured to detect receipt of transmitted wireless power at the coil; and a controller coupled to the transmit driver and the transmit detect circuit, the controller receiving a signal from the transmit detect circuit and providing an alert of the presence of the transmitted wireless power, the controller activating the transmit driver to transmit wireless power in absence of the signal. The wireless device can determine an operating mode and in a transmit mode determine presence of a received power. If received power is detected an alert can be provided and an off state initiated. If transmit power is not detected the transmit driver can be activated.

公开(公告)号：US20190052117A1

公开(公告)日：2019-02-14

申请号：US16100544

申请日：2018-08-10

Applicant: Integrated Device Technology, Inc.

Inventor： Detelin Martchovsky

IPC: H02J7/02 ,  H02J50/80 ,  H02J50/10

Abstract: In accordance with some embodiments of the present invention a method of communicating with a wireless power receiver during a power transfer phase is presented. The method includes receiving from the wireless power receiver an receive packet; and transmitting an transmit packet within a time after receipt of the receive packet, the transmit packet being other than an acknowledgment packet. A method of communicating with a wireless power transmitter during a power transfer phase includes transmitter to the wireless power transmitter a receive packet; enabling a decoder within a time period; and if a start bit of a transmit packet is received, receiving the transmit packet, wherein the transmit packet is other than an acknowledgment packet.

公开(公告)号：US20210175745A1

公开(公告)日：2021-06-10

申请号：US16709699

申请日：2019-12-10

Applicant: Integrated Device Technology, Inc.

Inventor： Nicholaus Smith ,  Chan Young Jeong ,  Detelin Martchovsky ,  Ashley DeWolfe ,  Damla Acar

IPC: H02J50/10 ,  H02J50/70

Abstract: A wireless power device is presented that avoids transmit conflicts. The device can include a rectifier circuit coupled to a coil; a transmit driver coupled to the rectifier circuit; a transmit detect circuit configured to detect receipt of transmitted wireless power at the coil; and a controller coupled to the transmit driver and the transmit detect circuit, the controller receiving a signal from the transmit detect circuit and providing an alert of the presence of the transmitted wireless power, the controller activating the transmit driver to transmit wireless power in absence of the signal. The wireless device can determine an operating mode and in a transmit mode determine presence of a received power. If received power is detected an alert can be provided and an off state initiated. If transmit power is not detected the transmit driver can be activated.

公开(公告)号：US20160094043A1

公开(公告)日：2016-03-31

申请号：US14499009

申请日：2014-09-26

Applicant: Integrated Device Technology, Inc.

Inventor： Jianbin Hao ,  Detelin Martchovsky ,  Chan Young Jeong ,  Arman Naghavi

IPC: H02J5/00 ,  H01F38/14 ,  H04B5/00

CPC classification number: H02J5/005 ,  H01F38/14 ,  H02J50/12 ,  H04B5/0037 ,  H04B5/0081

Abstract: A wireless power receiver may include a receive coil configured to generate an AC power signal responsive to wireless power transfer from a wireless power transmitter, and control logic configured to detect misalignment of the receive coil and a transmit coil of the wireless power transmitter responsive to a determination of efficiency of wireless power transfer therebetween. A method for operating a wireless power receiver may include detecting misalignment between a receive coil and a transmit coil of a wireless power transmitter responsive to detecting monitoring a value indicative of efficiency of wireless power transfer between the wireless power transmitter and the wireless power receiver, and causing an indication to be provided to a user to assist with correcting the misalignment.

Abstract translation: 无线电力接收器可以包括接收线圈，其被配置为响应于来自无线电力发射器的无线功率传输而产生AC电力信号，以及控制逻辑，被配置为检测无线电力发射器的接收线圈和发射线圈的错位， 确定其间无线电力传输的效率。 用于操作无线电力接收器的方法可以包括检测无线电力发射器的接收线圈和发射线圈之间的未对准，其响应于检测到监视指示无线电力发射机和无线电力接收机之间的无线功率传输的效率的值，以及 使得向用户提供指示以辅助校正未对准。