But before this, let's have a look at the required devices for the circuit. We are going to design the circuit of the H Bridge in the Proteus ISIS. Let's have a look at the working of the H Bridge in action in Proteus ISIS. In our case, the H Bridge works according to the table given below:.The resistors just before the Transistors perform the regulation of the current through the transistors.The switch allows the current to pass through the pair of the 2N2222 Transistor that is to be used.The Direct Current from the battery originates from the positive terminal of the battery (considering the conventional current) and passes through the switch.When we look at the circuit of H Bridge we get the following points: The value of gain is responsible for the determination of the 2N2222 Transistor's amplification capacity in the H Bridge. The gain of the 2N2222 Transistor in the H Bridge ranges from 110 to 800. On the other hand, when the base gets the flow of current from the battery or other components of the circuit in the H Bridge, the circuit is said to be forward-biased. The arrow symbol just at the transistor symbolizes the Emitter.īeing an NPN Transistor, the collector and emitter terminals of 2N2222 Transistor in H Bridge act reverse biased or are said to be left open when the base pin is held to the ground or when there is no current flow from the base. These pins are called Emitter, Base and Collector. The 2N2222 transistor (just as other JTs) has three pins. Thus, it is responsible for the rotation of the Motor as per requirement of the user. "The 2N2222 Transistor is a type of Bipolar Junction Transistors or BJTs that is designed to be used in the low power amplifying or switching applications." DID YO KNOW? Motorola made many semiconductor companies and the 2N2222 is part of a huge family of Devices and Transistors that were discussed in IRE Conventions in Motorola company.īeing a BJT Transistor, the 2N2222 allows the flow of current in only one direction. Let's have a look at what is 2N2222 Transistor: By the same token, the non-diagonal 2N2222 Transistors work as a couple. The diagonal Transistors work together as a couple and allow the flow of current through them. We use four 2N2222 Transistors in the circuit and they work as a couple. The 2N2222 Transistor works as a backbone in the circuit of the H Bridge. Performance of 2N2222 Transistor in H Bridge Hence, We always need some means through which we can control the direction of the Motor to get the output that is suitable for our present requirement. The reason behind this is, most electric motors operate due to torque produced as the combined effect of magnetic field and electric current through a wire winding. The direction of the moving of a motor paly a vital role in the output of that motor. The circuit of the 2N2222 H Bridge allows the current from the Direct Current source to flow from the required direction only and hinders the flow from the other direction. The H Bridge is used to run the motors of the robots that are required to move the robot in the forward and backward direction. Only one motor can be used to accomplish the task instead of two.ĭID YOU KNOW? The most common, easy and interesting application of the H Bridge is in the robotics. In this way, there is no need for the two motors in many cases. "The H Bridge is an elementary circuit that ends the Motors to rotate in forward or backward direction according to the will of the user." The H Bridge is used to control such motors through its specialized circuitry. In electronic circuits, the direction of quantities like the flow of current, EMF, Electric field lines matter a lot. How can we run the circuit of H Bridge in Proteus using 2N2222 Transistor?īy the same token, you will also learn important information about the topic in DID YOU KNOW Sections.What is H Bridge with 2N2222 Transistor?.Our team is working on transistors and today, we'll design a circuit for using the 2N2222 Transistor. Hey Learners! Welcome to The Engineering Projects.
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