Electroplating power supply circuit capable of realizing stable output of any current waveform

Abstract

The invention discloses an electroplating power supply circuit capable of realizing stable output of any current waveform. The electroplating power supply circuit comprises a current signal input circuit, a feedback current signal circuit, a current comparison circuit, a current output circuit, a power supply circuit and a power amplifier, wherein the power supply circuit provides required 12V and5V working power supplies for the current signal input circuit, the feedback current signal circuit, the current comparison circuit and the current output circuit; the current signal input circuit isused for carrying out 1: 1 multistage amplification processing on input current signals and then outputting the current signals to the current comparison circuit; the feedback current signal circuitis used for carrying out multi-stage operational amplification on a load current signal and then inputting the load current signal into the current comparison circuit for comparison with an input current signal; and the current output circuit transmits the current signal output and compared by the current comparison circuit to the power amplifier and then feeds the current signal back to the load.The electroplating power supply circuit can realize the output of stable and undistorted waveform after amplification when inputting any current waveform.

Description

technical field [0001] The invention relates to the technical field of electroplating power supplies, and more particularly, to an electroplating power supply circuit that realizes stable output of arbitrary current waveforms. Background technique [0002] With the advancement of science and the performance requirements of electronic products, the current low-voltage capacitor products are developing towards high-performance high-frequency low-impedance electrode foil aluminum electrolytic capacitors. Due to the particularity of its application, it is required to have the characteristics of high and low temperature resistance, low loss, low impedance, good frequency characteristics, high withstand ripple current intensity, good anti-interference characteristics, and excellent acid resistance. Therefore, the characteristics of high frequency and low impedance electrode foil are proposed. higher requirements. [0003] At present, low-voltage anode aluminum foil products are m...

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Problems solved by technology

[0005] In order to solve the problem that the existing electroplating power supply cannot meet the production requirements of the existing multi-stage frequency conversion corrosion process, the present invention provides an electroplating power supply circuit that can output a stable current waveform arbitrarily, which can realize amplified output of any current waveform without distortion, It can meet the production requirements of frequency conversion corrosion process

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