Small-size rapid charging circuit based on thick film technology

The invention provides a small-size quick charging circuit based on a thick film technology, which comprises an input filter circuit, a power supply circuit, a PWM (Pulse Width Modulation) controller, a silicon carbide MOS (Metal Oxide Semiconductor) tube Q1, a transformer T1, an output rectification filter circuit and a feedback circuit, the transformer T1 and the silicon carbide MOS tube Q1 are electrically connected with the input filter circuit, the input filter circuit supplies power to the transformer T1 and the silicon carbide MOS tube Q1, the PWM controller is electrically connected with the power supply circuit, the power supply circuit supplies power to the PWM controller, the output rectification filter circuit is electrically connected with the transformer T1, and the output rectification filter circuit is electrically connected with the silicon carbide MOS tube Q1. One end of the feedback circuit is electrically connected with the output rectification filter circuit, and the other end of the feed