The disconnection sensing circuit is provided with: the control unit having the ground connection terminal and the input terminal; the first external connection terminal capable of being connected to an external ground, the first external connection terminal being connected to the control-side ground line as a conduction path connected to the ground connection terminal; the second external connection terminal capable of being connected to an external ground, the second external connection terminal being connected to the power-side ground line as a conduction path having a greater electrifying current than the control-side ground line; and the transistor that restricts the electric power direction of the first bypass line connected between the control-side ground line and the power-side ground line to one direction, and that outputs the sensing signal corresponding to the electric power flowing through the first bypass line to the input terminal.
Disconnection sensing circuit and electrical connection box
16.02.2021
Patent
Elektronische Ressource
Englisch
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