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A multi-input single-output intelligent selection power supply circuit

An intelligent selection, multi-input technology, applied in the direction of load supply circuit, battery circuit device, circuit device, etc., can solve the problem of unable to meet the charging needs of mobile terminals

Active Publication Date: 2022-03-22
上海泰矽微电子有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The simple two-way selection power selection scheme currently used in the market can no longer meet the charging needs of mobile terminals, and there is an urgent need to reform the existing technology

Method used

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  • A multi-input single-output intelligent selection power supply circuit
  • A multi-input single-output intelligent selection power supply circuit
  • A multi-input single-output intelligent selection power supply circuit

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Embodiment Construction

[0024] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0025] refer to figure 1 , the present invention provides an optional embodiment, a multi-channel input single-output intelligent selection power supply circuit, including: a multi-channel power supply terminal, the highest power generation module, a signal detection module, and a priority selection output module;

[0026] The multi-channel power supply terminal includes at least 2 power supply input terminals, and the multi-channel power supply terminal includes one or more power supply terminals, which can be wired fast charging terminals, wired general charging terminals, wireless charging terminals, battery charging terminals, etc. One of multiple power supply methods...

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Abstract

The invention discloses a multi-channel input and single-channel output intelligent selection power supply circuit, comprising: a multi-channel power supply terminal, a highest power generation module, a signal detection module, and a priority selection output module. input terminal, and the multi-channel power supply terminal includes one or more power supply terminals, the highest power generation module includes at least one high power supply selector composed of CMOS, and the forward input terminal of the high power supply selector and the reverse The input terminals are all coupled to the multi-channel power supply terminals, and the high power selector compares the voltages of the two power supply input terminals and outputs the higher voltage; it can be a wired fast charging terminal, a wired general charging terminal, a wireless charging terminal, There are many combinations of different power supply methods such as battery charging terminals. Different power supply terminals can be selected according to the actual situation to meet the application requirements of different systems on a chip.

Description

technical field [0001] The invention specifically relates to a multi-channel input single-channel output intelligent selection power supply circuit, which belongs to the technical field of charging. Background technique [0002] Power supply circuits are widely used in mobile terminal smart devices, and the current power supply technologies are also diversified, such as internal lithium battery power supply, external wired charging and wireless charging, etc. With the diversification of mobile terminal charging methods, and handheld devices The popularity of smart devices requires that smart devices support multiple charging modes. When there are multiple power sources to charge mobile terminals, especially smart devices (such as mobile phones, tablets, etc.), the mobile terminal needs to select a suitable voltage as the working power supply. [0003] The simple two-way selection power supply selection scheme currently used in the market can no longer meet the charging needs...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00
CPCH02J7/0063H02J7/007
Inventor 宋宇陈立新熊海峰
Owner 上海泰矽微电子有限公司
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