Adjustable and controllable delay circuit, delay circuit system and method

A delay circuit and control circuit technology, which is applied in the field of delay circuit systems and adjustable delay circuits, can solve problems such as difficult implementation, complicated power sequence control design, and failure of integrated circuits to operate normally, and achieve difficult and costly design. Effect

Active Publication Date: 2021-09-03
SHANDONG YINGXIN COMP TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention mainly solves the problem that the precise power supply sequence control design in the current hardware method is complicated and not easy to implement. If the code is wrong in the software method for precise power supply sequence control, the problem that the integrated circuit cannot operate normally will occur.

Method used

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  • Adjustable and controllable delay circuit, delay circuit system and method
  • Adjustable and controllable delay circuit, delay circuit system and method
  • Adjustable and controllable delay circuit, delay circuit system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] Embodiments of the present invention provide an adjustable delay circuit, see figure 1 with figure 2 , Including: conductive circuitry, control circuitry, charge discharge circuit, driving circuit, and buffer circuit;

[0072] The conduction circuit is connected to the charging discharge circuit by the first NPN triode Q1; the guiding circuit is used to trigger the required voltage to be turned on, for implementing the delay integrated circuit to monitor the outside. Voltage to make enabled function;

[0073] The charging discharge circuit is connected to the control circuit;

[0074] The control circuit selects the operating state of the control circuit according to the state of the first NPN triode Q1;

[0075] When the trigger state of the first NPN triode Q1 is a trigger state, the control circuit is used to accelerate the charging time of the charging discharge circuit;

[0076] When the trigger state of the first NPN triode Q1 is inverted, the control circuit is an in...

Embodiment 2

[0111] One of the above-mentioned modulatled delay circuits is a perspective from a hardware circuit, and the embodiment of the present invention further provides an adjustable delay system, and is a perspective of a functional module, see image 3 , Including: turn-on module, control module, charging discharge module, push module, buffer module, and fourth power module;

[0112] The conduction module is connected to the charging discharge module via the first NPN triode; the turning module is used to control the voltage of the first NPN triode; the charging discharge module is used to perform RC discharge;

[0113] The charging discharge module is connected to the control module; the control module is used to select a working state according to the status of the first NPN triode;

[0114] The charging discharge module is connected by a second NPN triode and a push module; the push module is connected to the fourth power module by the buffer module;

[0115] The push module is used...

Embodiment 3

[0121] Embodiments of the present invention also provide an adjustable delay method, please refer to Figure 4 , Including the following steps:

[0122] S100, set on resistance, first NPN triode, first diode D1, RC circuit, and buffer control circuitry;

[0123] S200, through the conductive resistance and the first NPN triode monitor and control the external power supply for enabling;

[0124] The specific step is: by selecting the resistance of the on-resistance to control the voltage of the first NPN triode, and then monitor and control the external power supply through the first NPN triode;

[0125] S300, controls the working state of the first diode D1 according to the state of the first NPN triode;

[0126] The specific step is: When the state of the first NPN triode is on state, the working state of the first diode D1 is the charging time of the accelerated capacitor;

[0127] When the state of the first NPN triode is not in-state, the working state of the first diode D1 is n...

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Abstract

The invention discloses an adjustable and controllable delay circuit, a delay circuit system and a method. The adjustable and controllable delay circuit comprises a conduction circuit, a control circuit, a charging and discharging circuit, a pushing circuit and a buffer circuit, wherein the conduction circuit is connected with the charging and discharging circuit through a first triode; the conduction circuit is used for controlling the voltage for conducting the first triode; the charging and discharging circuit is used for performing RC discharging; the charging and discharging circuit is connected with the control circuit; the control circuit selects a working state according to the state of the first triode; the charging and discharging circuit is connected with the pushing circuit through a second triode; the pushing circuit is connected with the buffer circuit; the pushing circuit is used for controlling voltage of a fourth power supply in the buffer circuit; and the buffer circuit is used for controlling the slow rising time of the fourth power supply. By means of the mode, the advantages of the delay circuit made of pure hardware or software can be compatible, the purposes of reducing cost and various delay times are achieved at the same time, and product competitiveness is improved.

Description

Technical field [0001] The present invention relates to the field of circuit design, and more particularly to a regulatable delay circuit, a delay circuit system, and a method. Background technique [0002] As needed, more functions are increasing, the functionality of the chip in the server is increasing, and the design of the integrated circuit is increasing, in order to support the needs of various applications in the server, the integrated circuit itself needs to be divided into Different areas are added to various functional modules, so there is a need for different sets of voltage input to different integrated circuits to produce different operating environments, and there may be a four groups or five sets of power supply requirements on the integrated circuit. The timing of the power supply at each group is required to control the specifications of the integrated circuit, usually solve the way of changing hardware lines or software control. [0003] Hardware ways cannot ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/07H02M1/34
CPCH02M3/07H02M1/34
Inventor 黃冠隴
Owner SHANDONG YINGXIN COMP TECH CO LTD
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