DC/DC conversion circuit
A technology for converting circuits and inductors, applied in the electrical field, can solve the problems of single function of topology structure and low boost ratio, and achieve the effect of multiple functions and high boost ratio.
Active Publication Date: 2017-11-17
华域汽车电动系统有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to provide a DC / DC conversion circuit. The DC / DC conversion circuit described in the prior art should solve the technical problems of low step-up ratio and single topology function of the DC / DC conversion circuit in the prior art.
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Embodiment 1
[0011] like figure 1 As shown, the DC / DC conversion circuit of the present invention includes an input signal terminal W1, an output signal terminal W2, a first capacitor C1, a second capacitor C2, an inductor L1, a first switch S1, a second switch S2, a first Three switches S3 and a fourth switch S4, the input signal terminal W1 includes a first output terminal A1 and a second output terminal A2, and the output signal terminal W2 includes a first input terminal B1 and a second input terminal B2, wherein , the first output terminal A1 of the input signal terminal W1 is connected to the first input terminal B1 of the output signal terminal W2 through the first switch S1, the inductor L1 and the third switch S3, and the two ends of the first capacitor C1 are respectively Connect the first output terminal A1 and the second output terminal A2 of the input signal terminal W1, and the two ends of the second capacitor C2 are respectively connected to the first input terminal B1 and t...
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The invention discloses a DC / DC conversion circuit. The DC / DC conversion circuit comprises a signal input end, a signal output end, a first capacitor, a second capacitor, an inductor, a first switch, a second switch, a third switch and a fourth switch, wherein the first output end of the signal input end is connected to the first input end of the signal output end through the first switch, the inductor and the third switch; two ends of the first capacitor are connected to two output ends of the signal input end; two ends of the second capacitor are connected with two input ends of the signal output end; the first end of the second switch is connected to the first end of the inductor; the second end of the second switch is connected to the first input end of the signal output end; the first end of the fourth switch is connected to the second end of the inductor; the second end of the fourth switch is connected to the second output end of the signal input end and the second input end of the signal output end respectively. High step-up ratio, more topological structure conversion functions and the objective of multiple step-up ratios can be realized, and the DC / DC conversion circuit has the advantages of low cost, simple control and the like.
Description
Technical field: [0001] The invention relates to the field of electricity, in particular to DC voltage conversion technology, in particular to a DC / DC conversion circuit. Background technique: [0002] With the rapid development of the power electronics industry, the requirements for DC / DC conversion circuits are getting higher and higher, especially for the high boost ratio conversion and buck-boost conversion of DC / DC conversion circuits. However, the current The DC / DC conversion circuit has the disadvantages of low step-up ratio and single function of the topology. Invention content: [0003] The purpose of the present invention is to provide a DC / DC conversion circuit, which solves the technical problems of the DC / DC conversion circuit in the prior art with low step-up ratio and single topological structure and function. [0004] The DC / DC conversion circuit of the present invention includes an input signal terminal, an output signal terminal, a first capacitor, a sec...
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IPC IPC(8): H02M3/155
CPCH02M3/155Y02B70/10
Inventor 李栋马岭竺仁杰黄鹏辉徐锋
Owner 华域汽车电动系统有限公司