Constant voltage and current limiting pulse charging control system and its charging method
A technology of pulse charging and control system, applied in secondary battery charging/discharging, battery circuit devices, different battery charging, etc., can solve the problems of small acceptable current, slow charging speed, single constant voltage charging, etc., to achieve Fast charging speed, high work efficiency, and the effect of ensuring safe charging
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[0034] The constant voltage current limiting pulse charging control system of this embodiment mainly includes an AVR128 single-chip microcomputer, a constant voltage pulse charging circuit, a battery temperature detection circuit, a voltage detection circuit, a button circuit, a clock circuit, and an LCD display circuit. The main function of the AVR128 single-chip microcomputer is to assume the role of the charge controller in the present invention. The main function is to detect battery voltage, battery temperature, charging current, power supply voltage data, accept button input from the button circuit, and control the voltage amplitude during charging. And pulse duty cycle. The constant voltage current limiting pulse charging part is mainly composed of two MOS tubes and two MOS tube driving circuits. One group of MOS tubes and its driving circuit function is to adjust the voltage amplitude of the constant voltage current limiting pulse charging, and the other group The funct...
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