Patent ID: 11884182
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  G  H  Y | IPC B  G  H

Claim 7:
8. An electric vehicle comprising an electric-vehicle battery system, wherein the electric-vehicle battery system includes:
a high voltage system with a plurality of connected rechargeable battery cells;
a low voltage system powered by a low voltage power supply separately from the rechargeable battery cells of the high voltage system with an operating voltage lower than an operating voltage of the high voltage system, the low voltage system supplying a battery system manager;
a battery disconnect unit, including:
a high voltage section including at least one battery disconnect relay; and
a low voltage section including a battery disconnect controller, and

a real time clock, configured to provide a system time to the battery system manager, arranged on the low voltage section of the battery disconnect unit, and at least temporarily powered by the high voltage system.