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  • Application of MOSFET In Electric vehicle controller

Application of MOSFET In Electric vehicle controller

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Description

Application of MOSFET In Electric vehicle controller

MOSFET TYPICAL APPLICATION: Electric vehicle controller


Part Number Description Package
MIC-PE011NG N Channel/60V/75A/11mΩ(8mΩ) TO-220
MIC-DOP3205G N Channel/55V/110A/8mΩ(7mΩ) TO-220
MIC-PS008NG N Channel/70V/68A/8.4mΩ(7mΩ) TO-220
MIC-PS007NG N Channel/70V/80A/7.2mΩ(6mΩ) TO-220
MIC-PG009NG N Channel/80V/75A/8.5mΩ(7.5mΩ) TO-220
MIC-PG008NG N Channel/80V/95A/8mΩ(6.5mΩ) TO-220
MIC-PG006NG N Channel/80V/110A/6mΩ(5mΩ) TO-220

The heart of electric vehicle controller

MOS tube is used in most electronic equipment, such as home appliances, automobile power supply, charger, electric vehicle controller, etc. Moreover, it can play many roles in these devices, such as amplifying circuit, variable resistance, constant current source and electronic switch. Today, what the manufacturers of flying rainbow MOS tube want to share is the role in the electric vehicle controller.

In normal operation, the direct current in the battery is converted into alternating current to drive the motor. When braking, the alternating current fed back by the motor is converted into direct current to return to the battery. In short, the motor is driven by the output current of MOS. The larger the output current is (in order to prevent the over-current from burning the MOS tube, the controller limited current protection), the stronger the motor torque and the stronger the acceleration, so the MOS tube plays a "heart" role in use.

It has several states. Opening process, on state, off process, cut-off state and breakdown state. MOS main losses include switching loss (opening and closing process), conduction loss, cut-off loss (caused by leakage current, which is ignored), and avalanche energy loss. As long as these losses are controlled within the MOS withstand specification, MOS will work normally, beyond the withstand range, and damage will occur.

However, the switch loss is often greater than the on-off state loss, especially when PWM is not fully open and in the PWM state (corresponding to the starting acceleration state of electric vehicle), and the highest rush state is usually the on-off loss.

Over current, high-temperature damage caused by high current (including continuous high current and instantaneous high current pulse, which leads to junction temperature exceeding the withstand value); over voltage, source drain level exceeding the breakdown voltage and breakdown; gate breakdown, generally due to gate voltage being damaged by the outside or driving circuit exceeding the allowable maximum voltage (the gate voltage generally needs to be lower than 20V safety) and electrostatic damage.

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  • Infineon IRF / IRFR / IRL Series MOSFET Alternative Equivalent
  • Fairchild FQP / FQPF / FDD Series MOSFET Alternative Equivalent
  • AOS AO / AOD / AOI / AON Series MOSFET Alternative Equivalent
  • Other Brand MOSFET Alternative
  • MIC Standard MOSFET Model
  • MOSFET Typical Application
  • Package Outline Drawings

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