Patent ID: 11899951
Assignee: LG ENERGY SOLUTION, LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 6:
7. An error restoring method of a microcontroller unit (MCU) that includes non-transitory flash memory, the flash memory including a flash boot loader, an application block, and an application key block, the method comprising:
when the MCU is powered on, determining, by the flash boot loader, an application key value in the application key block; and
when the application key value is invalid in the determining of the application key value, entering a flash boot loader mode for enabling reprogramming of the flash memory,
wherein the flash memory is configured to store a plurality of applications,
wherein the plurality of applications includes a state of charge (SOC) estimation application, and
wherein in response to the SOC estimation application being executed in the MCU, the MCU sends a control signal to a battery management system (BMS) to operate based on a SOC estimated by the SOC estimation application.