A switching power supply control device, method, and switching power supply
A switching power supply and control device technology, applied in the power supply field, can solve the problems of inability to flexibly and independently control each functional module of the switching power supply control device, and cannot effectively reduce the power consumption of the switching power supply control device, so as to achieve the effect of reducing power consumption
Active Publication Date: 2020-03-31
FUZHOU ROCKCHIP SEMICON
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Problems solved by technology
[0003] In view of the shortcomings of the prior art described above, the object of the present invention is to provide a switching power supply control device, a method, and a switching power supply, which are used to solve various problems in the prior art that cannot flexibly and independently control the switching power supply control device. functional modules, and cannot effectively reduce the power consumption of the switching power supply control device, etc.
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[0034] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.
[0035] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and number of componen...
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The invention provides a switching power supply control apparatus and method, and the switching power supply. The switching power supply control apparatus comprises a clock control module and at least one functional module, wherein the clock control module is used for outputting a clock signal or a forbidding signal to the at least one functional module according to a received clock control instruction to enable the at least one functional module to work or stop working, so as to lower the energy consumption of the switching power supply control apparatus and perform flexible and independent management on the clock of each functional module in the switching power supply control apparatus.
Description
technical field [0001] The invention relates to the field of power supplies, in particular to a switching power supply control device and method and a switching power supply. Background technique [0002] In the existing switching power supply control chip, when the function of a certain digital module has been completed, the clock corresponding to the digital module will remain on, so that the corresponding register in the chip will continue to flip, resulting in the function of the control chip. Consumption is relatively large. Moreover, in the existing switching power supply control chip, there is usually only one clock corresponding to multiple digital modules, and the clock of a single digital module cannot be flexibly controlled. Contents of the invention [0003] In view of the shortcomings of the prior art described above, the object of the present invention is to provide a switching power supply control device, a method, and a switching power supply, which are us...
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IPC IPC(8): H02M1/08
Inventor 施乐宁李亮胡如波
Owner FUZHOU ROCKCHIP SEMICON