Wireless charging transmitting circuit, and wireless charging receiving circuit and method

A technology of wireless charging and transmitting circuit, which is applied in the field of communication and can solve the problems of large temperature rise in wireless charging

Active Publication Date: 2018-11-30
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides a wireless charging transmitting circuit, a wireless cha...

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  • Wireless charging transmitting circuit, and wireless charging receiving circuit and method
  • Wireless charging transmitting circuit, and wireless charging receiving circuit and method
  • Wireless charging transmitting circuit, and wireless charging receiving circuit and method

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] An embodiment of the present invention provides a wireless charging transmitting circuit. see figure 1 , figure 1 It is the circuit structure diagram of the wireless charging transmitting circuit provided by the embodiment of the present invention, as figure 1 As shown, the wireless charging transmitting circuit 10 includes a power input interface 11, a voltage stabilizing circuit 12, a first inverter circuit 131, a second inverter circuit 132...

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Abstract

The invention provides a wireless charging transmitting circuit, and a wireless charging receiving circuit and method. The circuit comprises a power supply input interface, a voltage stabilizing circuit, a first transmitting coil, a second transmitting coil and a charging control circuit, wherein one end of the voltage stabilizing circuit is connected with the power supply input interface, and theother end is connected with the first input end of a first inverter circuit and the first input end of a second inverter circuit separately; the first transmitting coil is connected with the output end of the first inverter circuit; the second transmitting coil is connected with the output end of the second inverter circuit; and the charging control circuit is used for controlling the first transmitting coil and the second transmitting coil to charge synchronously or controlling the first transmitting coil and the second transmitting coil to charge alternately when the receiving coil exists in both of the charging ranges of the first transmitting coil and the second transmitting coil. By virtue of the wireless charging transmitting circuit provided by the invention, the temperature rise and the charging loss in the wireless charging process can be reduced.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a wireless charging transmitting circuit, a wireless charging receiving circuit and a method. Background technique [0002] With the continuous popularization of mobile terminals such as smartphones, tablet computers, and cameras, the requirements for battery life of mobile terminals are increasing day by day. Wireless charging can realize the charging of the mobile terminal without connecting the mobile terminal to the wireless charger through a charging cable, thereby improving the convenience and waterproofness of the mobile terminal during charging. However, although wireless charging has been widely used in mobile terminals, the wireless charging speed is relatively slow due to heat generation in the wireless charging process. [0003] In the prior art, there is no effective solution to the problem of large temperature rise in the wireless charging process. ...

Claims

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Application Information

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IPC IPC(8): H02J7/02H02J50/10H02J50/40H02J50/60H02J5/00
CPCH02J5/005H02J7/025H02J50/10H02J50/40H02J50/60H01F38/14G06F1/1652G06F1/189H02J50/402
Inventor 张文成
Owner VIVO MOBILE COMM CO LTD
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