Serial multi-channel power distribution switch control circuit

Abstract

The invention discloses a serial multi-channel power distribution switch control circuit, including FPGA, a shift register group, the serial data input end of the first shift register in the shift register group and the data signal output end of the control module DATA_P connection, the serial data input terminal of other shift registers in the shift register group is connected to the serial data output terminal of the previous shift register adjacent to it, the signal clock input terminal of the shift register is connected to the clock signal of the control module The output terminal CLK_P is connected, the latch clock input terminal of the shift register is connected to the first output terminal of the D flip-flop, the clear signal input terminal of the shift register is connected to the second output terminal of the D flip-flop, and the output of the shift register The enable signal input terminal is connected to the output terminal of the inverter, the input terminal of the inverter is connected to the data signal output terminal DATA_N of the control module, and multiple parallel data output terminals of the shift register are respectively connected to multiple power distribution switches. It saves time and effort, and saves FPGA pin resources.

Description

technical field [0001] The invention relates to the field of electronic and electrical equipment control, in particular to a serial multi-channel power distribution switch control circuit. Background technique [0002] At present, the start and stop of electronic and electrical equipment are all controlled by switches. However, when encountering multiple switch circuits, due to the single control of the switch series, the installation operation is complicated, time-consuming, laborious, and costly, which seriously affects the work efficiency of the staff. [0003] Faced with the disadvantages of multi-way switches, there are also parallel interface circuits on the market for control, but due to the parallel connection, there are many signal pins, resulting in waste of resources. [0004] For the control of multi-way switches, the system has relatively high requirements for synchronous control. Many systems cannot achieve the effect of synchronous switching. Because the syste...

AI Technical Summary

Problems solved by technology

[0002] At present, the start and stop of electronic and electrical equipment are all controlled by switches. However, when encountering multi-channel switch circuits, due to the single control of the switch series, the installation operation is complicated, time-consuming and labor-intensive, and at the same time the cost is high, which seriously affects the work efficiency of the staff.

[0003] In the face of the disadvantages of multi-way switches, there are also parallel interface circuits on the market to control, but due to the parallel connection, there are many signal pins, resulting in waste of resources

[0004] For the control of multi-way switches, the system has relatively high requirements for synchronous control, and many systems cannot achieve the effect of synchronous switching. Because the system is not powered on synchronously, it will cause startup imbalance equipment failure

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