Active diode of adaptive conduction resistor
An on-resistance, self-adaptive technology, applied in the direction of logic circuit interface device, logic circuit connection/interface layout, etc., can solve the problems of low zero-crossing detection accuracy, high conduction voltage drop, large diode conduction loss, etc., to achieve Improve the accuracy of zero-crossing detection, reduce conduction loss, and reduce the effect of conduction voltage drop
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Embodiment 1
[0040] see figure 1 , figure 1It is a logical schematic diagram of an active diode with adaptive on-resistance provided by an embodiment of the present invention. The active diode of the adaptive on-resistance includes: a switching tube module 101, a comparator module 102 and a logic and control unit module 103; wherein,
[0041] The output terminal of the switch tube module 101 is electrically connected to the input terminal of the comparator module 102, which is used to change the conduction path and limit the current flow direction according to the output signal of the logic and control unit module 103;
[0042] The output end of the comparator module 102 is electrically connected to the input end of the logic and control unit module 103 for generating a driving signal acting on the logic and control unit module 103;
[0043] The output terminal of the logic and control unit module 103 is electrically connected to the switching tube module 101 for controlling the working ...
Embodiment 2
[0052] In order to facilitate the understanding of the working principle of the present invention, this embodiment describes in detail the circuit structures of the comparator module 102 and the logic and control unit module 103 on the basis of the above embodiments.
[0053] See image 3 , image 3 It is a structural schematic diagram of a comparator module provided by an embodiment of the present invention. The comparator module 102 includes a first comparator COMP1 and a second comparator COMP2, wherein,
[0054] The positive input terminal of the first comparator COMP1 is electrically connected to the anode terminal ANODE of the switching tube module 101, the negative input terminal is electrically connected to the cathode terminal CATHODE of the switching tube module 101, and its output terminal is electrically connected to the first input terminal of the logic and control unit module 103. ;
[0055] The positive input terminal of the second comparator COMP2 is electri...
Embodiment 3
[0061] See Figure 5 , Figure 5 It is a schematic circuit diagram of an active diode with adaptive on-resistance provided by an embodiment of the present invention. As shown in the figure, the clock signal input terminal CLK2 of the counter I2 is electrically connected to the clock signal output terminal CLK1 of the clock signal logic circuit I1, and its addition and subtraction counting control terminal V ADDSUB2 The addition and subtraction counting control output terminal V electrically connected to the clock signal logic circuit I1 ADDSUB1 , the reset input terminal RST2 of which is electrically connected to the reset output terminal RST1 of the clock signal logic circuit I1.
[0062] Further, the counter I2 is a 3-bit counter and the decoder I3 is a 3-5 decoder, wherein the first output terminal QA1 of the 3-bit counter is electrically connected to the first input terminal QA2 of the 3-5 decoder; The output terminal QB1 is electrically connected to the second input te...
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