2n2222 pinout download10/11/2023 ![]() ![]() The following things fall under consideration while creating H-Bridge motor driver circuit: Electrical Noiseĭuring the working of the H-Bridge motor driver circuit, the motor can make noises and can damage the MOSFETS. ![]() When terminal B is grounded and C is connected to +Vcc, transistors Q3 and Q2 will be on and current passes through the motor from right to right causing the motor to revolve in the opposite direction. ![]() When terminal D is grounded and A is connected to +Vcc, transistors Q1 and Q4 will be on and current passes through the motor from left to right. The Working of this circuit is very easy to understand. Thus it protects the corresponding MOSFET from damage. The diodes D1 to D4 provide a safer path for the back EMF from the motor. The MOSFETS are used as switches and are activated in diagonal pairs. In the circuit, we see that the 4 MOSFET surrounding the motor form an “H” shape. ![]()
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