Patent ID: 11905906
Assignee: HITACHI ASTEMO, LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  H | IPC F

Claim 5:
6. A load drive device comprising:
a first switching element that is connected to a high-side of a load;
a second switching element that is connected to a low-side of the load;
a pre-driver circuit that transmits a drive instruction to the first switching element and the second switching element;
an arithmetic device that transmits a control instruction to the pre-driver circuit; and
a current cut-off circuit that is provided at least one of between the first switching element and a power supply and between the second switching element and a ground, and directly controlled by the arithmetic device,
wherein the arithmetic device turns off the current cut-off circuit provided at least one of between the first switching element and the power supply and between the second switching element and the ground, before starting the engine.