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Time：2024-01-16 Views：1
MOSFET is a commonly used switching device used to control the switching of high-power charges in circuits. The selection and operating state of MOSFETs in motor drive circuits can have an impact on the performance and efficiency of the motor.
The following are the effects of MOSFETs on motors:
1. Motor speed: The conduction and cutoff speeds of MOSFETs directly affect the motor speed. When the MOSFET conducts, the motor can operate normally; When the MOSFET is cut off, the motor stops running.
2. Motor efficiency: The losses caused by the conduction and cutoff of MOSFET circuits have an impact on motor efficiency. When the MOSFET switch loss is very low, the motor can achieve higher efficiency.
3. Motor lifespan: The selection of MOSFETs and the design of driving circuits directly affect the lifespan of the motor. If the voltage level of the MOSFET used is not high enough or the capacity is insufficient to support the load of the motor, the motor is easily damaged by overcurrent or overheating.
4. Motor noise: The noise of the motor is also related to the switching frequency of MOSFETs and the design of their driving circuits. In the case of high-speed switching, significant electromagnetic interference will be generated, leading to an increase in motor noise.
Therefore, selecting suitable MOSFETs and designing appropriate driving circuits is crucial for improving the performance and efficiency of the motor.
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