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High voltage dedicated charging port

A technique for voltage levels, battery charging specifications, used in battery circuit arrangements, exchanging data chargers, measuring current/voltage, etc.

Active Publication Date: 2015-07-01
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many batteries now have a float voltage of 4.35V which exacerbates the stated problem, especially since the trend is to use higher voltages

Method used

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  • High voltage dedicated charging port
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Examples

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Embodiment Construction

[0017] In the following description, for purposes of explanation, numerous examples and specific details are set forth in order to provide a thorough understanding of the invention. However, it will be apparent to those skilled in the art that the invention as expressed in the claims may include some or all of the features of the described examples (alone or in combination with other features described below), and may further include Modifications and equivalents of the features and concepts described in .

[0018] figure 1 A circuit 100 according to an embodiment of the invention is shown. Circuit 100 may be included in portable device 10 (eg, smartphone, tablet computer, etc.). The portable device 10 may include a battery 12 for powering the portable device. In some embodiments, the battery 12 may be a rechargeable battery that the circuit 100 can charge. The battery 12 may be in a single cell configuration or may be a multi-cell stack.

[0019] The portable device 10 ...

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PUM

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Abstract

Circuitry in an adapter, such as a power supply, can provide power at a desired voltage level to a portable device. The circuitry may assert one of several electrical configurations on the cabling that electrically connects the portable device to the external device to indicate to the external device a desired voltage level.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Application No. 13 / 759,865, filed February 5, 2013, which also claims priority to U.S. Provisional Application No. 61 / 719,822, filed October 29, 2012 , the contents of both applications are hereby incorporated by reference in their entirety for all purposes. Background technique [0003] Unless otherwise indicated herein, the approaches described in this section are not prior art to the claims in this application and are not admitted to be prior art by inclusion in this section. [0004] Power requirements for modern portable electronic devices (eg, devices with larger displays, LTE devices (radios, modems, etc.), multi-core processors, etc.) are increasing extremely rapidly. In order to maintain an acceptable usable time, the device utilizes a battery with a higher capacity. In such systems, battery charging times tend to be extremely long when using conventional power sources...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00G06F1/26H02J7/02
CPCH02J2007/0062H02J7/0068H02J7/0055H02J2007/0001G06F1/26G06F1/3203H02J7/0004G01R19/2509G06F1/266H02J7/0052H02J7/00045H02J2207/40H02J7/00H02J7/00036
Inventor 沙迪·哈瓦维尼乔治欧斯·K·帕帕里佐斯
Owner QUALCOMM INC