A method and system for determining the charging and discharging frequency of a capacitor
A frequency determination, charge and discharge technology, applied in the field of capacitor charge and discharge frequency determination, capacitor charge and discharge frequency determination system, can solve the problems of inaccurate judgment, inaccurate capacitance sampling value, and affecting fundamental charge and discharge current, etc.
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Embodiment 1
[0044] Please refer to figure 1 , figure 1 A process flow chart of a method for determining the frequency of capacitor charge and discharge provided by the present invention, the method includes:
[0045] Step s101: Obtain the voltage of the capacitor, and perform analog-to-digital conversion on the voltage to obtain a corresponding voltage digital quantity;
[0046] When the charging and discharging circuit charges and discharges the capacitor, the sensor collects the voltage of the capacitor in real time, and transmits the collected voltage to an analog-to-digital ADC (Analog-to-Digital Converter) converter, which performs analog-to-digital conversion on the voltage Finally, the corresponding voltage digital quantity is obtained and the voltage digital quantity is sent to the micro control unit MCU (MicroControl Unit).
[0047] Step s102: When the voltage digital quantity is greater than the trigger voltage digital quantity threshold, determine the maximum charge and disch...
Embodiment 2
[0059] Please refer to figure 2 , figure 2 The process flowchart of another method for determining the frequency of capacitor charging and discharging provided by the present invention, the method includes:
[0060] Step s201: obtain the voltage of the capacitor, and carry out analog-to-digital conversion to the voltage to obtain the corresponding voltage digital quantity;
[0061] Step s202: When the voltage digital quantity is greater than the trigger voltage digital quantity threshold, determine the maximum charge and discharge frequency of the capacitor;
[0062] In this embodiment, for example, it may be determined that the maximum charging and discharging frequency of the capacitor is 10 MHz.
[0063] Step s203: set the step size of the frequency increase, take the step size as the initial value, perform frequency iterative addition calculation according to the step size, and obtain N frequency values not greater than the maximum charge and discharge frequency, whe...
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