Method and circuit for overvoltage protection control of four-switch Buck-Boost converter
A technology for controlling circuits and control methods, applied in emergency protection circuit devices, converting DC power input to DC power output, electrical components, etc., can solve problems such as burning circuits and subsequent circuit damage, and achieve the effect of solving output voltage overshoot
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[0037] Several preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention is not limited to these embodiments. The present invention covers any alternatives, modifications, equivalent methods and schemes made on the spirit and scope of the present invention. In order to provide the public with a thorough understanding of the present invention, specific details are set forth in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details.
[0038] figure 2 Shown is a circuit diagram of a four-switch Buck-Boost converter according to the present invention; its power stage circuit includes a first switch K1, a second switch K2, a third switch K3 and a fourth switch K4, and also includes an inductor L, and the connection method Same as in the prior art. The converter also in...
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