DC-DC converter control method and system
A DC-DC, control method technology, used in control/regulation systems, conversion of DC power input to DC power output, instruments, etc.
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[0072] The present invention will be further described below in conjunction with specific examples.
[0073] Such as figure 1 Shown is the topological circuit diagram of the Buck DC-DC converter. The topology of the Buck converter is a combination of a voltage source, a series switch and a current load. It is also called a series switch converter. where V in and V out Respectively, the input voltage and output voltage, L is the inductance, R is the load resistance, C is the capacitance, r L is the internal impedance of the output inductor, r c is the equivalent series impedance of the output capacitor. r d and r ds are the parasitic loss impedances of the freewheeling diode and the field effect transistor respectively, Q is the main switching tube, and the main switching tube Q is provided with an input terminal of a control signal.
[0074] The basic working principle of the Buck DC-DC converter topology circuit is: the main switching tube Q is controlled by the modula...
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