Motor control method, control circuit and electronic equipment

Abstract

The embodiment of the invention discloses a motor control method, a control circuit and electronic equipment. The motor control method is applied to the electronic equipment, the electronic equipmentcomprises a system motor, a camera motor, a system motor driving chip, a processor and a power supply, and the control method comprises the following steps that after receiving a starting instructionfor triggering vibration of the system motor, the processor sends a first triggering instruction to the power supply; and after the power supply receives the first trigger instruction, the power supply supplies power to a coil of the camera motor and the system motor driving chip. According to the invention, since current passes through the coil of the camera motor, the magnetic force is generated, so that components in the camera motor are changed from a loose state to a constrained state, it is facilitated that free vibration of the camera motor is inhibited, resonance of the camera motor during vibration of the system motor is avoided, and compared with the prior art, the problem of noise of electronic equipment during vibration of the system motor is reduced.

Description

technical field [0001] The embodiments of the present application relate to the field of electronic technology, and in particular, to a motor control method, a control circuit, and an electronic device. Background technique [0002] Electronic devices such as mobile phones, tablet PCs, personal digital assistants, etc. that have an autofocus function usually have two motors, one for the system and one for the camera. [0003] Among them, when the system motor is in the vibration mode of the mobile phone, if it receives a new message, a new call, or the current time is an alarm reminder time, the system motor will remind the user of a new message, a new missed call, or set the time by vibrating. It's time to wait. [0004] When the camera motor is in an unfocused state, the internal components of the camera motor are not tightly fixed and have a certain resonance frequency. When the system motor vibrates, the camera motor may be driven to resonate, causing the components ins...

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Problems solved by technology

[0006] The embodiment of the present application provides a motor control method, control circuit and electronic equipment, which can solve the problem that when the system motor vibrates and the camera motor is in a non-working state, the vibration frequency of the system motor overlaps with the resonant frequency of the camera motor to generate resonance, causing electronic The device has a problem with noise

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