| 摘要 |
PROBLEM TO BE SOLVED: To provide a monitoring circuit capable of precisely detecting the current carried to a current detecting resistor with a simple circuit. SOLUTION: This monitoring circuit comprises a transistor circuit 10 provided with the current detecting resistor Re and generating a signal corresponding to the current carried to the resistor, a current mirror pair 20 connected to the transistor circuit 10, and a current detecting circuit 30 for detecting a current signal corresponding to the current carried to the current detecting resistor Re.
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