Low-power-consumption control device for automobile system

The utility model discloses a low power consumption control device for an automobile system, which relates to the technical field of automobiles, detects a LINBUS signal sent by an upper computer controller through a LIN dormancy wake-up circuit, generates a high-level ENBAT enable signal when the LINBUS signal is a LIN communication signal, enables a voltage conversion circuit through the ENBAT enable signal, and controls the voltage conversion circuit to be connected with the upper computer controller. The voltage conversion circuit converts a battery power supply into a power supply with a preset amplitude and outputs the power supply, the MCU module sends an ENLIN enable signal and a high-level ENMCU signal after being connected with the power supply converted by the voltage conversion circuit, and the LIN communication circuit awakens an LIN chip based on the ENLIN enable signal sent by the MCU module to realize an LIN communication function, that is, the LIN communication circuit realizes the awakening