Switch device, electronic equipment, and vehicle

A switch device, comprising:

• a first terminal;
• a second terminal;
• a third terminal;
• a switch element disposed between the first terminal and the second terminal;
• a control line that reaches a control end of the switch element from the third terminal;
• a first circuit block that is disposed on the control line and is configured to drive the switch element according to a control signal supplied to the third terminal;
• at least one second circuit block, wherein
• each of the at least one second circuit block is connected to a corresponding one of branch power supply lines that branch from the control line;
• a first resistor disposed between the third terminal and the first circuit block;
• and
• at least one second resistor, wherein
• each of the at least one second resistor is disposed on the corresponding one of the branch power supply lines,
• the first circuit block and the at least one second circuit block include at least one P-channel metal oxide semiconductor field effect transistor,
• a resistance value of each of the first resistor and the at least one second resistor is based on a total area of a P-type well that is disposed in the at least one P-channel metal oxide semiconductor field effect transistor of a corresponding one of the first circuit block and the at least one second circuit block, and
• the branch power supply lines branch from the control line between the third terminal and the first resistor.

A switch device, comprising:

• a first terminal;
• a second terminal;
• a third terminal;
• a switch element disposed between the first terminal and the second terminal;
• a control line that reaches a control end of the switch element from the third terminal;
• a first circuit block that is disposed on the control line and is configured to drive the switch element according to a control signal supplied to the third terminal;
• at least one second circuit block, wherein
• each of the at least one second circuit block is connected to a corresponding one of branch power supply lines that branch from the control line;
• a first resistor disposed between the third terminal and the first circuit block;
• and
• at least one second resistor, wherein
• each of the at least one second resistor is disposed on the corresponding one of the branch power supply lines,
• each of the at least one second circuit block is disposed adjacent to a corresponding one of the at least one second resistor,
• the first circuit block, the at least one second circuit block, and the switch element line up along a first direction,
• the first circuit block and the first resistor line up along a second direction orthogonal to the first direction,
• each of the at least one second circuit block and the corresponding one of the at least one second resistor line up along the second direction,
• the first circuit block and the at least one second circuit block include at least one P-channel metal oxide semiconductor field effect transistor, and
• the branch power supply lines branch from the control line between the third terminal and the first resistor.