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Combined power and input/output system, method and target device for providing power and i/o

A technology of output system and target device, applied in battery circuit device, distribution line transmission system, transmission system, etc., can solve the problem of increasing power consumption, resistor-capacitor solution baud rate and power consumption contention, low wave rate, etc.

Active Publication Date: 2018-10-26
MICROCHIP TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the diode-capacitor solution has proven to be disadvantageous in low voltage systems
More specifically, in such systems, the diode drop can be insurmountable
[0005] Resistor-capacitor solutions are disadvantageous due to baud rate and power consumption contention
That is, low power consumption requires large resistors that require longer on-times and lower baud rates, which increases power consumption

Method used

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  • Combined power and input/output system, method and target device for providing power and i/o
  • Combined power and input/output system, method and target device for providing power and i/o
  • Combined power and input/output system, method and target device for providing power and i/o

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Embodiment Construction

[0016] The invention and its various features and advantageous details are explained more fully with reference to the exemplary and therefore non-limiting embodiments illustrated in the drawings and detailed in the following description. Descriptions of well-known programming techniques, computer software, hardware, operating platforms and protocols may be omitted so as not to unnecessarily obscure the details of the present invention. It should be understood, however, that the detailed description and specific examples, while indicating preferred embodiments, are illustrative only and not restrictive. Those skilled in the art will appreciate from the present invention various substitutions, modifications, additions and / or rearrangements within the spirit and / or scope of the basic inventive concept.

[0017] As used herein, the terms "comprises," "comprising," "having," or any other variation thereof, are intended to cover a non-exclusive inclusion. For example, a process, pr...

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Abstract

The present invention discloses an electronic device comprising: a host system including a source; and a target system operably coupled to the host system via a combined power I / O line; wherein the The target system includes a pass transistor and a switching system that cooperate to allow the source to charge a power supply capacitor on the target system in a first mode via the combined power I / O line and in a second mode via The power supply capacitor is alternately charged and discharged during communication of the combined power I / O line, wherein the alternate charging and discharging is synchronized with the communication.

Description

technical field [0001] The present invention relates to power and communication connections for electronic devices. In particular, the present invention relates to combined power and input / output lines. Background technique [0002] Small form factors are an increasingly important design consideration in the field of mobile devices, such as cellular phones and BlackBerry handsets. Such devices typically include a battery pack with power lines and input / output lines. However, in some instances, the small form factor of the battery pack makes it difficult to provide enough pins for communication. [0003] Accordingly, it is known to provide a combined power and input / output pin or pins on an integrated circuit or other device. Such solutions typically include diodes and capacitors or resistors and capacitors to extract and store power for the device. [0004] However, the diode-capacitor solution has proven to be disadvantageous in low voltage systems. More specifically, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/42H04L12/40G06F1/26H04L12/10G05B19/042G06F13/40H04B3/54H02J7/00
CPCG06F13/4072G06F13/4291H04B3/542H04B3/548Y02D10/00G06F1/266G06F13/10
Inventor 约瑟夫·朱利谢尔彼得·席克维维安·德尔波特
Owner MICROCHIP TECH INC