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Anbao Technology has been granted a patent for a digital high-power charger efficiency improvement circuit

Article Source：Kinri Energy | Author：Kinri Energy | Issuing Time：2024.05.25
According to data from Qichacha, Huizhou Anbao Technology Co., Ltd has obtained a new invention patent authorization, titled "A Digital High Power Charger Efficiency Improvement Circuit". The patent application number is CN219086859U, and the authorization date is May 26, 2023.

Patent abstract:

This utility model discloses a digital high-power charger efficiency improvement circuit, which includes a rectification circuit PFC circuit, power supply circuit The LLC circuit, feedback circuit, and control circuit of the microcontroller input a voltage of 100-240VAC. After rectification, the power supply circuit provides a 15VDC voltage to the LDO stabilizing circuit and then stabilizes it to 5V for the microcontroller. The control circuit of the microcontroller detects the model provided by the feedback circuit and outputs different PWM to the half bridge LLC, thereby changing the pulse width of the driving signal controlling the LLC MOS and adjusting the voltage and current. And it is reflected in the power supply of 40V-75V, 10A, and 750W. When the technical solution of this utility model was not used before, low voltage 40V, 10A, and 400W were output respectively, and the power supply efficiency was 88%. After adding this utility model, when the same output of 40V, 10A, and 400W was output, the power supply efficiency was 95%, and the efficiency was improved by 7.95% compared to the original. Reduced high-frequency losses of the power supply during the charging process, greatly improving power efficiency.


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