Wake-up enabling circuit and motor controller

Abstract

The invention discloses a wake-up enabling circuit. The wake-up enabling circuit comprises a voltage stabilizing circuit, a first wake-up circuit, a second wake-up circuit, a power supply circuit and a controller; the voltage stabilizing circuit is used for supplying power to the first wake-up circuit and the second wake-up circuit; the first wake-up circuit and the second wake-up circuit are respectively used for receiving a first enable signal and a second enable signal, and outputting a wake-up signal to the power supply circuit according to an operation result; the power supply circuit is used for supplying power to the controller according to the wake-up signal to enable the controller to start working. According to the technical scheme, normal starting of the controller is guaranteed through redundancy design, and the requirements for high precision, high reliability and extremely low static power consumption are met.

Description

Technical field [0001] The present invention belongs to the field of circuit design, and in particular, the present invention relates to a wake-up enable circuit and a motor controller. Background technique [0002] In the context of rapid development of automotive electronics, many equipment require access to uninterruptible power supply (constant) systems due to functional needs. However, the manufacturer requires extremely low static power consumption on access to the device, and the threshold and hysteresis value of the circuit are precisely defined, and the reliability requirements of functional security are met. [0003] Currently more processing methods are required using relays or transistors as an interface that enables circuitry to meet low static power consumption. However, using a relay or transistor, although a very low power consumption, it is not possible to define the threshold of the enable and closing, and the reliability performance is generally due to the inte...

AI Technical Summary

Problems solved by technology

However, the use of relays or transistors can achieve extremely low power consumption, but the thresholds for enabling and closing cannot be accurately defined according to requirements, and in the application process, due to factors such as signal interference and drift, the reliability performance is average.

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