Communication interface circuit, portable electronic device and electronic system

A technology of communication interface and communication circuit, which is applied in the field of communication interface circuit, portable electronic equipment and electronic system, can solve the problem of limiting the maximum charging current and achieve the effect of increasing the charging speed

Pending Publication Date: 2016-03-23
WUXI ZGMICRO ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This limits the maximum input current to 2

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  • Communication interface circuit, portable electronic device and electronic system
  • Communication interface circuit, portable electronic device and electronic system
  • Communication interface circuit, portable electronic device and electronic system

Examples

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[0021] In order to make the above objectives, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0022] The "one embodiment" or "embodiment" referred to herein refers to a specific feature, structure, or characteristic that can be included in at least one implementation of the present invention. The appearances of "in one embodiment" in different places in this specification do not all refer to the same embodiment, nor are they separate or selectively mutually exclusive embodiments with other embodiments. Unless otherwise specified, the words connected, connected, and connected in this text indicating electrical connection all mean direct or indirect electrical connection, and indirect electrical connection refers to electrical connection via another device or circuit.

[0023] figure 1 The circuit diagram of the elec...

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Abstract

The present invention provides a communication interface circuit. The communication interface circuit comprises: a power supply port, a grounding port, a first data port, a second data port and a shielding port. The communication interface circuit further comprises: a communication circuit connected with the first data port and the second data port; a primary charging circuit connected with the power supply port and the grounding port; and one or two auxiliary charging circuits. The communication interface circuit has a rapid charging mode and a prohibited rapid charging mode, when the rapid charging mode is allowed, the primary charging circuit and the one or two auxiliary charging circuits are charged by the power supply port, the grounding port, the first data port, the second data port and / or the shielding port; when the rapid charging mode is prohibited, the communication circuit can transfer data by the first data port and the second data port, and the primary charging circuit is charged by the power supply port and the grounding port. Compared with the prior art, the communication interface circuit provided by the present invention can support a more rapid charging for the battery.

Description

【Technical field】 [0001] The invention relates to the field of battery charging, in particular to a communication interface circuit supporting fast charging, portable electronic equipment and an electronic system. 【Background technique】 [0002] At present, with the development of modern electronic devices (such as smart phones, tablet computers, bluetooth speakers, etc.), the battery capacity is getting larger and larger. If you still charge according to the traditional charging technology, the charging time will be too long. Users are increasingly pursuing shorter charging times. Switching charging circuits based on inductance are more and more widely used to realize high-current fast charging. In order to further increase the charging speed, it is necessary to improve the existing charging technology. Currently, the more popular interface method is the USB (UniversalSerialBus) interface, especially the interface connected to portable devices is usually microUSB, which h...

Claims

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Application Information

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IPC IPC(8): G06F13/40H02J7/00
CPCH02J7/00G06F13/4068Y02E60/10
Inventor 王钊
Owner WUXI ZGMICRO ELECTRONICS CO LTD
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