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Применить Всего найдено 2. Отображено 2.
02-05-2023 дата публикации

Switching power supply system with analog feedback and digital feedback

Номер: CN116054594A
Автор: LIU WANLE
Принадлежит:

The invention discloses a switching power supply system with analog feedback and digital feedback at the same time, and the output voltage of the switching power supply system is adjusted by the following steps: indirectly obtaining the system output voltage at the primary side of a switching power supply, and carrying out the primary adjustment of the output voltage through controlling a primary switching tube; the actual output voltage of the system is directly obtained on the secondary side of the switching power supply, the voltage difference value between the actual output voltage of the system and the load demand voltage is obtained, and the output voltage is secondarily adjusted according to the voltage difference value. According to the technical scheme, the problems of poor output voltage precision and slow response speed of traditional primary feedback are solved, a complex circuit used for adjusting the phase and gain margin of a feedback network and needed by a secondary simulation ...

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Номер записи: 1
02-05-2023 дата публикации

Method for switching power supply to transmit information through transformer

Номер: CN116054593A
Автор: LIU WANLE
Принадлежит:

The invention relates to a method for a switching power supply to transmit information through a transformer. The method comprises the steps that a coding and control circuit generates a coding signal according to secondary side output information and electric equipment request information; modulating the coded signal to a switching voltage waveform; the primary chip obtains an induced switching voltage waveform from the auxiliary winding; the decoding and control circuit decodes the modulated switching voltage waveform, and the loop control and driving module controls the on-off of the primary side switching tube according to the decoding result so as to adjust the output information of the secondary side. In order to overcome the fatal defects that the system cannot work stably or even cannot work, information transmission is unreliable and the like due to the fact that the information transmission process seriously interferes with the system work in the prior art, a brand new secondary ...

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Номер записи: 2