Patent ID: 11929605
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H | IPC H

Claim 7:
8. The semiconductor device according to claim 7, wherein
the disconnection detection circuit includes a series circuit of a resistor and a current source connected between the first power supply terminal and the second power supply terminal,
the current source operates and generates current at a time of supply of the first and second power supply voltages,
the first or second reference voltage is output from a predetermined node in the series circuit, and
when a voltage drop amount in the resistor by current of the current source disappears due to occurrence of the first or second disconnection, a voltage at the predetermined node changes from a voltage level at which the first or second transistor turns on to a voltage level at which the first or second switch transistor turns off.