Buck converter control circuit and method, buck converter and electronic device
A technology for converter control and voltage control, which is applied in the field of step-down converters, electronic devices, and step-down converter control circuits, and can solve problems such as difficulty in controlling switching converters.
Active Publication Date: 2021-12-31
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology
[0003] The main purpose of the present invention is to propose a buck converter control circuit, method, buck converter and electronic device, aiming to solve the problem of difficult control of switching converters in the prior art
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[0055] It is to be understood that the specific embodiments described herein are intended to explain the present invention and is not intended to limit the invention.
[0056] Next, the technical solutions in the embodiments of the present invention will be described in the following examples, and the described embodiments are merely, not all of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained without creative labor are not made in the premise of creative labor.
[0057] It should be noted that all directional indications (such as above, lower, left, right, front, and then ...) are only used to interpret each particular attitude (as shown in the drawings). The relative positional relationship between components, movement conditions, etc., if the specific posture changes, the directional indication is also correspondingly changed.
[0058] Further, in the present invention, "first", "second", and the like ar...
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The invention provides a buck converter control circuit and method, a buck converter and an electronic device. The buck converter control circuit comprises a buck converter and a predictive deadbeat control module; the predictive deadbeat control module is used for acquiring an input voltage and an output voltage of the buck converter through a first detection end and a second detection end, generating a control signal according to the input voltage and the output voltage, and sending the control signal to the buck converter through a control end; and the buck converter is used for adjusting the voltage output to a load according to the control signal output by the predictive deadbeat control module. Actual operation parameters, including the input voltage and the output voltage, of the buck converter are obtained, control over the buck converter is adjusted according to the actual operation parameters, and therefore accurate control over the buck converter is achieved on the basis that modeling of the buck converter is not needed.
Description
Technical field [0001] The present invention relates to power control, more particularly to a control circuit of the buck converter, the method, the buck converter and electronic device. Background technique [0002] Conventional deadbeat control system modeling techniques rely on, but due to the presence of parasitic buck converter, therefore, it is difficult for the buck converter is more accurate modeling of the system, so that the control difficult for a buck converter. Inventive content [0003] The main object of the present invention is to provide a control circuit of the buck converter, the method, the buck converter and the electronic device, to solve difficulties in the prior art control problems for the switching converter. [0004] To achieve the above object, the present invention provides a control circuit of the buck converter, the buck converter control circuit comprises a buck converter and a prediction deadbeat control module; the buck converter and the power s...
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Login to View More IPC IPC(8): H02M3/156
CPCH02M3/156Y02B70/10
Inventor 霍星星高小丽张岩雷龙朱永强殷童欢
Owner GREE ELECTRIC APPLIANCES INC