BMS SLEEP WAKE-UP CIRCUIT AND METHOD, AND BMS AND ELECTRIC DEVICE

A BMS sleep wake-up circuit and method, a BMS, and an electric device are provided. The BMS sleep wake-up circuit is provided with an enabling circuit (120). When a charging device (10) is connected, in response to the charging device being plugged in, the enabling circuit (120) generates an enabling level to wake up a BMS, and outputs a self-locking signal through a control circuit (130), so that a wake-up chip (200) keeps the BMS awake. Additionally, under the condition that the charging device remains plugged in, after the self-locking signal is canceled, the wake-up chip is turned off, so that the BMS can enter a sleeping state, thereby solving the problem in the related art that a BMS cannot enter a sleeping state unless a charging device is unplugged.