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Method for controlling soft start time by multiple times of charging

A soft start and time technology, applied in electrical components, electronic switches, pulse technology, etc., can solve the problems of reducing system reliability, unable to make accurate judgments, unable to guarantee the operation time of subsequent modules, etc., to improve reliability and hardware structure. simple effect

Active Publication Date: 2016-04-20
陕西中油丝路能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the soft start device provides enough time for the follow-up module to make a judgment, that is, it is equivalent to a delay device, so the soft start device without charging or only one charge cannot make an accurate judgment because the calculation time of the follow-up module cannot be guaranteed. thereby reducing the reliability of the system

Method used

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  • Method for controlling soft start time by multiple times of charging
  • Method for controlling soft start time by multiple times of charging
  • Method for controlling soft start time by multiple times of charging

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with accompanying drawing:

[0019] Such as figure 1 As shown, the present invention charges the initial signal multiple times through the ramp signal generation circuit for charging the MOS capacitor, the ramp signal shaping circuit, the soft start control signal generation circuit and the feedback control circuit to achieve the purpose of controlling the soft start time. The slope signal output end of the slope signal generating circuit for charging the MOS capacitor is connected with the slope signal input end of the slope signal shaping circuit, the feedback signal end of the feedback control circuit is connected with the feedback signal end of the slope signal generating circuit for charging the MOS capacitor, and the slope The signal output end of the signal shaping circuit is connected with the signal input end of the soft-start control signal generation circuit, the signal input end of the slop...

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Abstract

The invention discloses a method for controlling soft start time by multiple times of charging. A ramp signal generating circuit, a ramp signal reshaping circuit, a soft start control signal generating circuit and a feedback control circuit, which charge an MOS (Metal Oxide Semiconductor) capacitor, charge initial signals for multiple times, so as to fulfill the purpose of controlling the soft start time. The method can ensure the operation time of following modules, so that the following modules make an accurate judgment and then the reliability of a system is improved.

Description

technical field [0001] The invention relates to the technical field of integrated circuits, in particular to a method for controlling soft-start time by using multiple charging. Background technique [0002] With the vigorous discovery of the modern electronic information industry, electronic products are developing towards diversification. The soft start device without charging or only charging once lacks the flexibility of design and the effective use of resources in the system design, which shows great limitations in the design of modern new electronic systems. Because the soft start device provides enough time for the follow-up module to make a judgment, that is, it is equivalent to a delay device, so the soft start device without charging or only one charge cannot guarantee the calculation time of the follow-up module, so it cannot make an accurate judgment. Thereby reducing the reliability of the system. Contents of the invention [0003] The object of the present ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K17/687
CPCH03K17/6871
Inventor 刘晓云
Owner 陕西中油丝路能源有限公司