This Vs input voltage should not exceed 7 V or it will damage the IC. Vs is meant for its own internal operation and it will not use this input for driving motors. There are two types of supply voltage for this IC Vs and Vss. The L293D is a 16 pin IC which is known for their efficiency in controlling DC motors. Lets move into the working of this circuit. The above circuit illustrates the bidirectional motor controller using this simple L293D. This IC is capable of driving two motors at a single time in either direction and it can even provide drive currents up to 1A at voltages 4.5V to 36V. L293D is a similar motor driver mostly employed along with the Mircocontrollers to perform the motor action. Motor Controller driver IC’s are widely used in electronic circuits to control the motor with ease and to drive it efficiently.
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