Channel circuit and electronic device

A channel circuit comprising a power channel switch, a signal channel switch, a control module, and a comparison module, wherein

• the power channel switch is connected between a circuit input end and a first circuit output end, and the signal channel switch is connected between the circuit input end and a second circuit output end;
• the comparison module is connected to the circuit input end and is configured to compare an input voltage with a specified voltage threshold and feedback corresponding comparison results to the control module, wherein the specified voltage threshold comprises a first voltage threshold;
• and
• the control module is configured to control the signal channel switch to be turned on and the power channel switch to be turned off when the input voltage is lower than the first voltage threshold, and to control the signal channel switch to be turned off when the input voltage is higher than the first voltage threshold, wherein
• the specified voltage threshold further comprises a second voltage threshold, and the second voltage threshold is higher than the first voltage threshold;
• and
• the control module is further configured to control the power channel switch to be turned on when the input voltage is higher than the first voltage threshold and lower than the second voltage threshold, and to control the power channel switch to be turned off when the input voltage is higher than the second voltage threshold, wherein the comparison module comprises a second comparison unit configured to compare the input voltage with the second voltage threshold in the specified voltage threshold, and the second comparison unit is connected between the circuit input end and the control module.

A channel circuit comprising a power channel switch, a signal channel switch, a control module, and a comparison module, wherein

• the power channel switch is connected between a circuit input end and a first circuit output end, and the signal channel switch is connected between the circuit input end and a second circuit output end;
• the comparison module is connected to the circuit input end and is configured to compare an input voltage with a specified voltage threshold and feedback corresponding comparison results to the control module, wherein the specified voltage threshold comprises a first voltage threshold;
• and
• the control module is configured to control the signal channel switch to be turned on and the power channel switch to be turned off when the input voltage is lower than the first voltage threshold, and to control the signal channel switch to be turned off when the input voltage is higher than the first voltage threshold, wherein
• the specified voltage threshold further comprises a second voltage threshold, and the second voltage threshold is higher than the first voltage threshold;
• and
• the control module is further configured to control the power channel switch to be turned on when the input voltage is higher than the first voltage threshold and lower than the second voltage threshold, and to control the power channel switch to be turned off when the input voltage is higher than the second voltage threshold, wherein the second voltage threshold is an overvoltage protection voltage threshold, and the first voltage threshold is an undervoltage protection voltage threshold, wherein the comparison module comprises a second comparison unit configured to compare the input voltage with the second voltage threshold in the specified voltage threshold, and the second comparison unit is connected between the circuit input end and the control module.

A channel circuit comprising a power channel switch, a signal channel switch, a control module, and a comparison module, wherein

• the power channel switch is connected between a circuit input end and a first circuit output end, and the signal channel switch is connected between the circuit input end and a second circuit output end;
• the comparison module is connected to the circuit input end and is configured to compare an input voltage with a specified voltage threshold and feedback corresponding comparison results to the control module, wherein the specified voltage threshold comprises a first voltage threshold;
• and
• the control module is configured to control the signal channel switch to be turned on and the power channel switch to be turned off when the input voltage is lower than the first voltage threshold, and to control the signal channel switch to be turned off when the input voltage is higher than the first voltage threshold, wherein
• the specified voltage threshold further comprises a second voltage threshold, and the second voltage threshold is higher than the first voltage threshold;
• and
• the control module is further configured to control the power channel switch to be turned on when the input voltage is higher than the first voltage threshold and lower than the second voltage threshold, and to control the power channel switch to be turned off when the input voltage is higher than the second voltage threshold, wherein the second voltage threshold is an overvoltage protection voltage threshold, and the first voltage threshold is an undervoltage protection voltage threshold, wherein the signal channel switch is a bi-directional switch, wherein the comparison module comprises a second comparison unit configured to compare the input voltage with the second voltage threshold in the specified voltage threshold, and the second comparison unit is connected between the circuit input end and the control module.