TBox power consumption management method

Abstract

The invention discloses a TBox power consumption management method. TBox comprises a working state, a standby state, a dormant state, a factory state and a shutdown state. Compared with the prior art,the method has different operation states, power consumption is different by corresponding to different operation states, and the average power consumption of the TBox is lowered so as to be finallyembodied in the reduction of finished automobile power consumption. The factory state is that the power supply of an internal battery, an MCU (Microprogrammed Control Unit), a power supply module andeach function module are cut off, all equipment stops consuming the power supply, and the leakage current of the device is about 50uA@12v. The working state is that an automobile storage battery is used for supplying power, the TBox can carry out Internet of Vehicles business through a functional module, global function work operation power consumption is about 600mA@12V, and the MCU carries out periodic operation monitoring. The standby state is that the TBox can carry out local and Internet of Vehicles remote awakening business, and shuts down or carries out standby on other all functional modules except the mobile networks (2G, 3G and 4G), shuts down or carries out standby on power supply chips or devices, and shuts down or carries out standby on a power consumption processing logic circuit, wherein the power consumption of the TBox at the current moment is about 3-4mA@12V.

Description

technical field [0001] The invention relates to the field of TBox, in particular to a TBox power consumption management method. Background technique [0002] In order to prevent the vehicle battery from feeding power, traditional vehicle OEMs generally have extremely high requirements on the power consumption of the vehicle. As the remote communication terminal of the vehicle, TBox generally has modules such as 4G, WIFI, BLE, and GPS. The power consumption of 4G, WIFI and other modules is relatively large. Therefore, a better TBox power management strategy can improve the current consumption in various standby states, so as to meet the power consumption requirements of the whole vehicle. At the same time, when TBox is in a certain application state, such as emergency rescue service, in order to ensure the effectiveness and reliability of the service, TBox generally has a built-in battery. In an accident, when the external power supply is cut off, the internal battery is us...

AI Technical Summary

Problems solved by technology

The power consumption of 4G, WIFI and other modules is relatively large

Images