CELL BALANCING METHOD AND BATTERY SYSTEM EMPLOYING SAME
Applicants
LG Energy Solution, Ltd.
Inventors
CHOI, Jang Hyeok, KIM, Kyeongmin
Abstract
The present invention relates to a cell balancing method and a battery system employing same. The battery system of the present invention comprises: a battery including a plurality of battery cells; a monitoring unit for performing a first low-power mode and a second low-power mode, wherein, in the first low-power mode, wakeup is executed every short term period and cell balancing is performed on each of the plurality of battery cells on the basis of a predetermined first cell balancing execution condition, and in the second low-power mode, if a period extension condition is satisfied, wakeup is executed every long term period that is longer than the short term period by a predetermined period, and cell balancing is performed on each of the plurality of battery cells on the basis of a second cell balancing execution condition; and a control unit for, if a low-power mode entry condition is satisfied, indicating the monitoring unit to enter the first low-power mode, and then entering a sleep mode in which a preconfigured operation is not performed.
IPC Classifications
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR