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Reset control method of sampling circuit

A technology of sampling circuit and reset control, which is applied in the direction of electrical components, electronic switches, pulse technology, etc., can solve problems such as safety risks, sampling chip lockup, etc., to solve lockup, realize chip reset, and avoid cell data loss Effect

Active Publication Date: 2019-07-23
CONTEMPORARY AMPEREX TECH CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In view of this, the embodiment of the present invention provides a reset control method of the sampling circuit, which is used to solve the problem of sampling chip lockup in the prior art and the further security risk caused by it

Method used

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  • Reset control method of sampling circuit
  • Reset control method of sampling circuit

Examples

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Effect test

Embodiment 1

[0057] An embodiment of the present invention provides a reset control method for a sampling circuit, the method is applied to a sampling circuit including a controller and a plurality of chips to be reset, and between the controller and an initial chip to be reset among the plurality of chips to be reset, And, every two adjacent chips to be reset are connected to a daisy chain communication circuit through an isolation circuit.

[0058] In this case, please refer to figure 1 , which is a schematic interactive flowchart of a reset control method for a sampling circuit provided in an embodiment of the present invention, including the following steps:

[0059] S101, the controller outputs a first driving signal to the connected isolation circuit to reset and start the chip to be reset.

[0060] S102, the controller outputs a first driving instruction to the initial chip to be reset through the daisy chain communication circuit.

[0061] S103. Initially, the chip to be reset ou...

Embodiment 2

[0128] Embodiments of the present invention provide a reset control method and controller for a sampling circuit.

[0129] The method is applied in a sampling circuit including a controller and a plurality of chips to be reset, the controller and the initial chip to be reset among the plurality of chips to be reset, and between every two adjacent chips to be reset, through The isolation circuit is connected to the daisy chain communication circuit, and the method is implemented in the controller.

[0130] Please refer to Figure 4, which is a schematic flowchart of a reset control method applied to a sampling circuit in a controller provided by an embodiment of the present invention, including the following steps:

[0131] S401, outputting a first driving signal to a connected isolation circuit to reset and start a chip to be reset.

[0132] S402, according to the direction in which the initial chip to be reset is away from the controller, sequentially send a driving instruc...

Embodiment 3

[0144] Embodiments of the present invention provide a reset control method of a sampling circuit and a chip to be reset.

[0145] The method is applied in a sampling circuit including a controller and a plurality of chips to be reset, the controller and the initial chip to be reset among the plurality of chips to be reset, and between every two adjacent chips to be reset, through The isolation circuit is connected to the daisy chain communication circuit, and the method is implemented in the controller.

[0146] Please refer to Figure 6 , which is a schematic flowchart of a reset control method applied to a sampling circuit in each chip to be reset provided by an embodiment of the present invention, including the following steps:

[0147] S601. In response to receiving a reset signal output by a connected isolation circuit, perform self-initialization so as to reset the chip to be reset.

[0148] S602, and, after the reset is completed, in response to receiving the drive in...

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PUM

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Abstract

The embodiment of the invention provides a reset control method of a sampling circuit. In the embodiment of the invention, a controller outputs a first driving signal to an isolating circuit connectedwith the controller, so that the initial chip to be reset is reset; then, the controller outputs a first driving instruction to the initial chip to be reset through the communication circuit, the initial chip to be reset outputs a second driving signal to the other connected isolation circuit according to the first driving instruction so as to reset the other chip to be reset connected to the other isolation circuit; then the controller outputs a second driving instruction to the other chip to be reset through the communication circuit, and the above steps are repeated until the plurality ofchips to be reset are all reset. According to the technical scheme provided by the embodiment of the invention, the problem of sampling chip locking and the problem of safety risk further caused in the prior art can be solved.

Description

[0001] 【Technical field】 [0002] The invention relates to the technical field of circuit reset, in particular to a reset control method for a sampling circuit. [0003] 【Background technique】 [0004] With the development of the battery field, electric vehicles have become more and more popular. Electric vehicles are powered by power batteries. For the safety of electric vehicles, it is necessary to collect current, voltage, temperature and other data that can characterize the state of each battery cell in the power battery, so as to collect data based on these data. It monitors the working status of the data, and then reminds and handles the fault when any one or more cells fail. In the prior art, the collection of data such as current, voltage, and temperature of the battery cell is generally realized through a battery cell sampling chip. During the data collection process of the cell sampling chip on the battery module or the cells in the electric box, it is susceptible t...

Claims

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Application Information

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IPC IPC(8): H03K17/22
CPCH03K17/223
Inventor 王兴昌郭阳东李前邓
Owner CONTEMPORARY AMPEREX TECH CO
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