Digital controller of soft switch PWM converter
A digital controller and converter technology, applied in the direction of high-efficiency power electronic conversion, output power conversion devices, electrical components, etc., can solve the problems of low frequency, low control accuracy, easy to be interfered, etc., to reduce loss, flexible programming Effect
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[0024] The overall structure diagram of the present invention is as follows figure 1 As shown, a digital controller of a soft-switching PWM converter is provided, including a control module, a sampling module, a driving module, a power supply module and an overcurrent protection module; a power supply module, a sampling module, a driving module, an overcurrent protection module and a control module Module connection, the data collected by the sampling module enters the microcontroller through the A / D conversion channel of the microcontroller in the control module, and the microcontroller processes the data through the preset program to obtain PWM, and then drives the switch of the soft switching circuit through the drive module The tube controls the on and off of the switch tube; the power supply module provides power for the entire controller, and the overcurrent protection module is used to protect the circuit when the current in the circuit exceeds the preset maximum value. ...
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