Electric tool

The application discloses an electric tool comprising a motor comprising a rotor and a multi-phase stator winding; a plurality of power switches disposed between the power source and the motor, the plurality of power switches including a plurality of high-side switches and a plurality of low-side switches; the parameter detection device is used for detecting electrical parameters of the motor; the controller is set to output a control signal to control the plurality of power switches and is at least used for controlling the motor to brake; wherein the controller is configured to determine the braking time of the braking motor according to the electrical parameters, and start to control the motor to brake when the braking time arrives. 本申请公开一种电动工具，包括：电机，包括转子和多相定子绕组；布置在电源和电机之间的多个功率开关，多个功率开关包括多个高侧开关和多个低侧开关；参数检测装置，用于检测电机的电参数；控制器，设置为输出控制信号控制多个功率开关，至少用于控制电机制动；其中，控制器被配置为：根据电参数确定制动电机的制动时机，并在制动时机到达时开始控制电机制动。