| 摘要 |
The rectifier circuit includes: three terminals A, K, VR; voltage comparator including a positive input terminal, a negative input terminal, and a comparative output terminal; current switching unit including source terminal, drain terminal, and control terminal; first switching unit that conducts or cuts off between source terminal and control terminal of the current switching unit; second switching unit that conducts or cuts off between control terminal of the current switching unit and terminal VR; and reference voltage generator that uses terminal A and terminal VR as input terminals, and includes a voltage output terminal. The voltage output terminal of reference voltage generator is connected to the negative input terminal of the voltage comparator, terminal K is connected to the positive input terminal of voltage comparator, and current flow between first switching unit and second switching unit is exclusively allowed or interrupted by a signal output from the comparative output terminal of voltage comparator). |
| 主权项 |
1. A rectifier circuit comprising:
a first terminal (A); a second terminal (K); and a third terminal (VR), wherein the rectifier circuit configured to allow a current to flow in a direction from the first terminal (A) to the second terminal (K), and to interrupt a reverse current flowing from the second terminal (K) to the first terminal (A), a voltage across the third terminal (VR) is set to be greater than a voltage across the first terminal (A), the rectifier circuit further comprises: a voltage comparator (B1) including a positive input terminal, a negative input terminal, and a comparative output terminal; a current switching unit (SW0) including a source terminal (S), a drain terminal (D), and a control terminal (G); a first switching unit (SW1) that conducts or cuts off between the source terminal (S) and the control terminal (G) of the current switching unit; a second switching unit (SW2) that conducts or cuts off between the control terminal (G) of the current switching unit and the third terminal (VR); and a reference voltage generator (B2) that uses the first terminal (A) and the third terminal (VR) as input terminals, and includes a voltage output terminal, the voltage output terminal of the reference voltage generator (B2) is connected to the negative input terminal of the voltage comparator (B1), the second terminal (K) is connected to the positive input terminal of the voltage comparator (B1), the comparative output terminal of the voltage comparator (B1) is connected to the first switching unit (SW1) and the second switching unit (SW2), and when a difference in voltage between the positive input terminal and the negative input terminal of the voltage comparator (B1) is greater than a threshold, the rectifier circuit causes the first switching unit (SW1) to be in a conductive state, and causes the second switching unit (SW2) to be cut off, so that the current switching unit (SW0) is cut off, and when the difference in voltage between the positive input terminal and the negative input terminal of the voltage comparator (B1) is less than the threshold, the rectifier circuit causes the first switching unit (SW1) to be cut off, and causes the second switching unit (SW2) to be in a conductive state, so that the current switching unit (SW0) is brought into a conductive state. |
