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Active Charging of Peripherals

A peripheral device, active charging technology, applied in the direction of electrical components, circuit devices, data processing power supplies, etc., can solve the problems of inability to charge peripheral devices 10, and inability to charge peripheral devices 10.

Active Publication Date: 2021-08-24
CIRRUS LOGIC INT SEMICON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another major disadvantage is that with existing methods, if the host computer 14 is not coupled to the peripheral device 10, the peripheral device 10 cannot be charged at all because the charger 11 cannot charge the peripheral device 10 directly

Method used

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Embodiment Construction

[0034] A system and method are disclosed for port policy management during active charging of a peripheral device having a first communication port and a second communication port. A host and charger can be coupled to peripheral devices. Peripherals, hosts, chargers and other such devices and their corresponding ports can communicate and transmit / receive power according to the communication bus protocol. Such protocols may include, but are not limited to, standard protocols such as USB protocols (USB-C and USB-PD protocols), or proprietary bus communication protocols, including but not limited to proprietary buses that support and are compatible / compliant with the Apple Lightning bus connector letter of agreement.

[0035] Figure 4 An example high level block diagram of a system for active charging according to an embodiment of the disclosure is shown. In contrast to existing pass-through charging methods that perform charging in a serial fashion, the Figure 4 In the dep...

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Abstract

A method of port policy management for active charging of a peripheral device having a first communication port and a second communication port may include: detecting whether there is an active power connection at the peripheral device; in response to detecting the active power connection, determining The relationship between the first communication port and the second communication port; based on the relationship, the peripheral device determines the power relationship between the peripheral device, the first communication port and the second communication port; selectively configures the first communication port, the second communication port and two communicating ports with the peripheral device to match a power relationship; and enabling active charging of the peripheral device if the power relationship supports active charging.

Description

technical field [0001] The present disclosure generally relates to circuits for electronic devices, including but not limited to audio devices, including personal audio devices such as wireless phones and media players, and more particularly relates to providing and managing active charging of peripheral devices ( active charge through) related systems and methods. Background technique [0002] Electronic devices are ubiquitous and used in everyday life. Electronic devices utilize communication bus protocols to be able to communicate with each other and transmit / receive power in a more uniform or standardized manner. Universal bus communication protocols such as Universal Serial Bus ("USB") as well as proprietary bus communication protocols such as Apple's Bus protocols for bus links already exist and are well known. [0003] USB is a well-known industrial bus communication protocol for electronic devices. USB provides a well-defined standard protocol that allows electr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/42G06F1/26
CPCG06F1/263G06F1/266G06F13/4282Y02D10/00G06F2213/0042H02J7/342H02J7/00
Inventor 布拉德·阿兰·兰伯特利迈克尔·A·考斯特甘尼许·萨利帕里格雷戈里·C·扬西
Owner CIRRUS LOGIC INT SEMICON
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