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L-298 motor driver or motor controller’s image is shown in the figure below.So, now I am going to discuss about L298 motor controller/driver.L-298 IC is most commonly used to design motor driver/controller.The current, voltage and power ratings of L 298 IC are shown in the table given below.The rating of a device displays basically its power requirement for the normal operation of that device under normal circumstances.Some of the major features are given in the table shown below.L-298 has a lot of amazing features including low saturation voltage, over current protection etc.The animated image of L-298 IC is shown in the figure given below.L 298 IC has 15 pins in total, each having different functions associated with them.
#L298n motor driver pdf download
You can download L298 Datasheet by clicking below button: The further detail about L-298 will be given later in this tutorial. Its has a lot applications including robotics, automated door lock systems, CNC machines etc. Its features include low saturation voltage, over temperature protection etc. It has two specific pins for enabling or disabling the particular device attached at its output. It is mostly used in motor driver’s designing.
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Its receives TTL logic signals and operates different loads like motors, solenoid, relays etc. L298 is a high current and high voltage IC. You should also have a look at L298D Motor Driver Library for Proteus. It has a lot of real life applications e.g robotics, doors lock systems, CNC machines etc. By changing the voltage signal’s polarity at its input we can rotate the motor in either clockwise or counter clockwise direction. PWM pins are used to control the speed of the motor. L 298 has two Pulse Width Modulation (PWM) pins. While it can control a single stepper motor as well. L-298 motor driver (H-Bridge) is able to control two different DC motors simultaneously.
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They receives input from micro controllers and operate the load attached to their output terminals correspondingly. These motor controllers can be controlled by any micro controller e.g Arduino, PIC, Raspberry Pi etc.
#L298n motor driver pdf drivers
L 298 IC is most commonly used to make motor drivers or motor controllers. L-298 has two enable input to control any device by enabling or disabling it. You should also have a look at Introduction to L23D. It receives basic TTL (Transistor Transistor Logic) logic levels and is able to operate the different loads such as DC motors, stepper motors, relays etc.
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L 298 is a dual full bridge driver that has a capability to bear high voltage as well as high current. Today I am going to elaborate you about Introduction to L298. L-298 is an Integrated Circuit (IC) available in two type of packages now a days which will be given later.
#L298n motor driver pdf free
This product comes with our 1 year free service warranty.Hello everyone! I hope you all will be absolutely fine and having fun. The board will be permanently damaged if you mistakenly short 5V and CSA/CSB. You can use them to power up your microcontroller and other 5V devices.Ģ) Reversing voltage polarity at Vin and GND block connector will permanently damage the L298 IC.ģ) Be careful while using jumpers to short 5V and EnA/EnB. Do not provide 5V input voltage to these pins. Power, enable and motor direction indicating LEDs.Ĭheck Document section for user manual, sample connection diagram and codes.ġ) The 5V pins are output pins. This board can be used as a small power distribution board.Ĩ. Power rails for GND, 5V and motor input voltage. Enable switch for enabling / disabling the controller board.ħ. Option to sense how much current each motor is drawing.ĥ. Option to control speed and direction of both of the two motors.Ĥ. Big heat sink on L298N IC keeps it cool during high current operation.ģ. High quality L298N IC ensures maximum 2.5A pulsed current flow for each motor.Ģ. Thanks to the onboard current sense resistors.ġ. You can also determine how much current each of the motors is drawing by reading voltages of the CSA and CSB pins. The Enable Switch activates/deactivates the L298 IC as well as the 5V rails. There's also 3 separate power rails to supply Vin, GND and 5V so that you can use this module as a small power distribution board. It has got onboard voltage regulator for supplying 5V to L298. The red and green LEDs indicate the direction of motor rotation. To use this module, connect the two terminals of each motor to the blue terminal block connectors and give proper signal to all the enable and input pins. It can control a maximum of 2 DC motors at a time in desired directions and in desired speeds. This motor driver module is based on L298 dual DC motor driver IC.