DC-DC boost converter circuit
A conversion circuit, DC boost technology, applied in the direction of converting DC power input to DC power output, electrical components, adjusting electrical variables, etc., can solve the problems of inability to achieve high gain, low converter efficiency, etc. The effect of improving work efficiency
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0039] in the above figure 1 The shown DC-DC boost converter circuit is based on the figure 2 As shown, the above-mentioned DC-DC boost conversion circuit further includes a first absorption diode Ds1 and a second absorption diode Ds2 connected in series, and the cathode of the first absorption diode Ds1 is connected to the anode of the input power supply Vin, and the first absorption diode Ds1 is connected to the positive pole of the input power supply Vin. The anode of the second absorption diode Ds2 is connected to the negative pole of the input power supply Vin;
[0040] The DC-DC boost conversion circuit further includes a first absorbing capacitor Cs1, one end of the first absorbing capacitor Cs1 is connected to the anode of the first absorbing diode Ds1, and the other end of the first absorbing capacitor Cs1 is connected to the anode of the first absorbing diode Ds1. The drain of the power switch tube S1 is connected.
[0041] It should be noted that, in this embodim...
Embodiment 2
[0048] in the above figure 1 The shown DC-DC boost converter circuit is based on the image 3 As shown, the above-mentioned DC-DC boost conversion circuit further includes a third absorption diode Ds3 and a fourth absorption diode Ds4 connected in series, and the cathode of the third absorption diode Ds3 is connected to the drain of the power switch S1, so The anode of the fourth absorbing diode Ds4 is connected to the source of the power switch tube S1; the DC-DC boost conversion circuit further includes a second absorbing capacitor Cs2, one end of the second absorbing capacitor Cs2 is connected to the first The anodes of the three absorbing diodes Ds3 are connected, and the other end of the second absorbing capacitor Cs2 is connected with the anode of the rectifying diode D2.
[0049] It should be noted that, in this embodiment, the third snubber diode Ds3 , the fourth snubber diode Ds4 and the second snubber capacitor Cs2 form a passive and lossless snubber circuit.
[00...
Embodiment 3
[0055] in the above figure 1 The shown DC-DC boost converter circuit is based on the Figure 4 As shown, the above-mentioned DC-DC boost conversion circuit further includes a fifth absorption diode Ds5 and a sixth absorption diode Ds6 connected in series, and the anode of the fifth absorption diode Ds5 is connected to the anode of the rectification diode D2, and the anode of the first absorption diode Ds5 is connected to the anode of the rectification diode D2. The cathode of the six absorbing diode Ds6 is connected to the cathode of the rectifying diode D2; the DC-DC boost conversion circuit also includes a third absorbing capacitor Cs3, one end of the third absorbing capacitor Cs3 is connected to the fifth absorbing diode Ds5 The cathode of the third absorption capacitor Cs3 is connected to the positive electrode of the input power supply Vin.
[0056] It should be noted that, in this embodiment, the fifth snubber diode Ds5 , the sixth snubber diode Ds6 and the third snubbe...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More