L293d is a typical motor driver or motor driver ic which allows dc motor to drive on either direction. This motor driver is designed and developed based on l293d ic. The l293d is a 16 pin ic, with eight pins, on each side, dedicated to the controlling of a motor. There are 4 input pins, 4 output pins and 2 enable pin for each motor. Jul 11, 2017 two phase motor driver, block diagram of l 293d application for two phase motor is given in the figure shown below. Since the output voltage of microcontroller is not sufficient to drive a motor so it is used to power motors with control commands coming from microcontroller. Pin 1 and pin 9, for being able to drive the motor, the pin 1 and 9 need to be high. I will interface it with a pic18f4550 microcontroller and demonstrate its. The l293d is a 16 pin ic, with eight pins, on each side, to controlling of two dc motor simultaneously.
L293d motor driver and controlling motor using pwm. L293d is a 16 pin motor driver ic consist of quadruple half h drivers. L293d description l293d is a typical motor driver or motor driver ic which allows dc motor to drive on either direction. The l293d can drive small and quiet big motors as well. From vcc2 pin the hbridge gets its power for driving the motors which can be 4. Arduino dc motor control with l293d motor driver ic youtube. The h bridge is typically an electrical circuit that enables a voltage to be. L293d ic generally comes as a standard 16pin dip dualin line package. Dual hbridge motor driver for dc or steppers 600ma l293d this is a very useful chip. L293d motor driver ic and product at rs componentthe l293d has four outputs that can sink 600ma, each of which can pull up to a voltage as well as down to 0v. This motor driver ic can simultaneously control two small motors in either direction. The l293d datasheet specifies that this device is a monolithic integrated high voltage, high current four channel driver designed to accept standard dtl or ttl logic levels and drive inductive loads such as relays solenoides, dc and stepping motors and switching power transistors. Interfacing dc motor with pic microcontroller using l293d. Functioning of l293d motor driver electronics club, iit.
These ics are designed to control 2 dc motors simultaneously. A motor driver is an integrated circuit chip which is usually. Given below is the pin diagram of a ld motor controller. L293d motor driver ic pinout, equivalent ics, features and. The l239d motor driver ic is used to control two dc motors. Sep 07, 2018 learn how to use pwm signal to control the speed of a dc motor.
Ic l293d is a 16 pin motordriver ic that replicates the basic concept of a transistor. Gear motor is connected to arduino uno via motor driver ic l293d. Im using an l293d motor driver ic and the arduino uno r3 to control two 12v, 200 rpm dc motors 24kgcm torque. On the other hand, if youre looking for a motor driver shield for the arduino uno, the l293d motor drive expansion board is a popular option. Hbridge motor control circuit using l293d motor driver ic. As mentioned earlier, a motor driver ic consists of two hbridge circuits which can be used for controlling two motors simultaneously. Arduino uno driving dc motor in both directions forward. May 14, 2018 leave pin diagram of l293d motor field empty. L293d is a suitable device to use for stepper motors, gear motors etc. L293d is a 16 pin ic having two enables pins which should always be remain high to enable both the hbridges.
An l293d has 4 input pins, 4 output pins, 2 enable pins, vss, vcc and gnd. It is builtin with two hbridge driver circuits to drive two dc motors simultaneously. L293d motor driver ic l293d, is a motor driver ic which allows the motor to drive on either direction. L293d motor driver arduino robo india tutorials learn. The motor driver is a module for motors that allows you to control the working speed and direction of two motors simultaneously. Motor driver l293d driver module is a medium power motor driver perfect for driving dc motors and stepper motors. This makes it ideal for driving motors in forwards and reverse, as each side of the motor can be connected to an output. This video is a small introduction to l293d dual h bridge dc motor driver ic with pin diagram.
L293d dc motor driver ic pin diagram and description. L293d is a motor driver ic which can allows 2 dc motors on either direction. Sep 29, 2014 ic l293d is a 16 pin motor driver ic that replicates the basic concept of a transistor. A motor driver is an integrated circuit chip which is usually used to control motors in autonomous robots. This l293d ic allows dc motor to drive on either direction. You can also feed the l298n motor driver up to 40v, which is slightly greater than the max supply voltage of 36v on the l293d. L298n motor driver ic pinout, features, applications and. L293d provides the continuous bidirectional direct current to the motor.
Half an hbridge will connect an output pin to either vcc or ground or disconnect it. L293 and l293d h bridge motor driver ic pin out and working. L293d is used in many circuits, it is popular in toy industry. May 16, 2018 l293d is a 16 pin motor driver ic consist of quadruple half h drivers. An external unit is required to control the function of the l293d motor driver, like microcontroller, fpga etc. We can drive two dc motors with one l293d, in this example we are using only the first pair of drivers to drive one dc motor. We can control 4 motors with the shield so there are two l293d ics used. Given below is the pin diagram of a l293d motor controller. Both of the l298n and l293d motor driver ic expansion boards cost around. L293d hbridge driver is the most commonly used driver for bidirectional motor driving applications.
First of all, we will connect the l293d motor driver ic with the arduino. Vcc1 is used for driving the internal logic circuitry which should be 5v. L293d is a 16pin ic which can control a set of two dc motors simultaneously in any direction. L293d shield is a driver board based on l293 ic, which can drive 4 dc motors and 2 stepper or servo motors at the same time. L293d is a 16 pin ic which can control a set of two dc motors simultaneously in any direction. It is a low voltage operating device like other ics. Complete technical details can be found at the l293d datasheet given at the end of this page. Also, you should be using an l293d motor driver ic in order to control the direction of motors rotation. L293d is a dual hbridge motor driver integrated circuit ic. There are 2 input pins, 2 output pins and 1 enable pin for each motor. When enable12 is high, left part of ic will work, i.
Most of the microcontrollers operate on very low voltage 5v and current while the motors require higher voltages and current so, the microcontrollers cannot provide them such higher current. The l293d is a dualchannel hbridge motor driver capable of driving a pair of dc motors or single stepper motor. You can find it in many toys such as rc cars, helicopters etc. L293d solenoids, dc and bipolar stepping motors, as well as. Apr 12, 2019 l293 and l293d h bridge motor driver ic pin out and working. L293d motor driver ic used in robots buy online india. Oct 08, 2017 available in 16 pin dip, tssop, soic packages.
L293d is a motor driver 16 pin ic which can be used to run a set of two dc motors at a time. The other ics could have the same functions like l293d but they cannot provide the high voltage to the motor. Connect the pin 3 of the l293d to one end of the motor. To reverse a dc motor you need both halves of an hbridge. L293d dc motor driver ic pin diagram and description youtube.
Push buttons should be used to specify the speed 0%, 50%, 75%, 100% and an extra button for reversing the direction of rotation. L293d motor driver ic l293d pin diagram working and description. This is a motor driver ic that can drive two motor simultaneously. Controlling a dc motor using l293d motor driver board. This ic consists of 16pins which are used to control a set of two dc motors instantaneously in any direction. A single l293d ic is capable of running two dc motors at the same time. Nov 26, 2011 this video is a small introduction to l293d dual h bridge dc motor driver ic with pin diagram. I am not really sure which pin goes where and how on earth can i. L293d motor driver ic l293d pin diagram working and. To understand the working of l293d, we first need to know about a component called hbridge. It means that you can control two dc motor with a single l293d ic. As the shield comes with two l293d motor driver chipsets, that means it can individually drive up to four dc motors making it ideal for building fourwheel robot platforms.
The l293 and l293d models can drive current up to 1a and 600ma respectively. Jul 01, 2014 l293d is a typical motor driver or motor driver ic which allows dc motor to drive on either direction. Follow the schematic pin diagram of l293d motor build the circuit. One hbridge is capable to drive a dc motor in bidirectional. The l293 and l293d devices are quadruple highcurrent halfh drivers. In simple you need to provide logic 0 or 1 across the input pins for rotating the motor. Each channel of this module has the maximum current of 1. It can simultaneously control the direction and speed of two dc motors.
Similarly 3a and 4a are input pins for channel 2 and 3y, 4y are output pins for channel 2. Individual l293d motor driver channel equivalent circuit is given below. Buy l293d motor driver module online at the best price in. Motor driver act as an interface between arduino and the motors. Hbridge is the simplest circuit for controlling a low current rated motor. Arduino l293d motor driver shield tutorial arduino. Working of l293d l293d is a motor driver 16 pin ic which can be used to run a set of two dc motors at a time.
In the tutorial introduction to l293d, i have shared all the necessary details about l 293d motor controllerdriver which includes its pinout diagram, applications, features, functional and logic diagram, packages etc. L293d ic is a current enhancing ic as the output from the sensor is not able to drive motors itself so l293d is used for this purpose. The module has 6 pins namely en1, en2, in1, in2, in3, in4. Motor driver ic technology robotix society, iit kharagpur. The l293 is designed to provide bidirectional drive currents of up to 1 a at voltages from 4. One of the easiest and inexpensive way to control dc motors is to interface l293d motor driver ic with arduino.
This higher current signal is used to drive the motors. Connect the pin 1 of the l293d ic the pin 7 of arduino. In the circuit an arduino uno is used as the platform. Vdd and vss of the pic microcontroller is not shown in the circuit diagram. L298n motor driver ic has many applications in the embedded field, especially on the robotics side. L293d is a 16 pin ic having two enables pins which should always be remain high to enable both. Arduino gear motor interface using ic l293d motor driver. L293d is a motor driver ic used to control motors with a microcontroller. Left input pins will regulate the rotation of motor connected across left side and right input for motor on the right hand side. The l293d motor driver ic actually has two power input pins viz. When the enable pin is high, then the left part of the ic will work otherwise it wont work. Among all drivers available, l293d is the most commonly used motor driver.
This shield can control servos, dc motors and stepper motors. L293d ic generally comes as a standard 16 pin dip dualin line package. L293d contains two inbuilt hbridge driver circuits. The l293d can drive small and quiet big motors as well, check the voltage specification at the end of this page for more info along. The motor drivers are mainly used to drive a motor as the output voltage current from a pin of a micro controller is not enough to drive a motor. Pins on the right hand side of the chip are for controlling a one motor. Pins 4, 5, 12, of l293d are the ground pins so connect these to ground. Learn about l293d dc motor driver ic along with pwm, hbridge working, pinout, wiring.
L293d motor driver ic introduction, pinouts and how to use. In order to use an l293d motor driver board you must first understand the fundamentals of how the ic works. As well, this ic can drive small and quiet big motors. The l293d is designed to provide bidirectional drive currents of up to 600ma at voltages from 4. Using the one you can turn a dc motor on or off or apply to brake but cant reverse the motor. To power itself it requires 5v voltage through vcc1 and can deliver up to 12 volts through vcc2. L293d ic is a typical motor driver ic which allows the dc motor to drive on any direction. How to use l293d module motor shield with arduino make. Working the l293d motor drivers are capable to drive motors which requires an input voltage up to 36v. This video is a small introduction to l293d dual h bridge dc motor driver ic with pin. Here is a brief description of the functionality of each pin in ic pin 1 enable 1,2 this pin is set high in order to enable output at pins 3 and 4 i. L293d motor driver module arduino tutorial dc motor control. Connect the pin 2 of l293d to the pin 6 of the arduino.
I will interface it with a pic18f4550 microcontroller and demonstrate its working to drive a dc motor. There are 4 input pins for l293d, pin 2,7 on the left and pin 15,10 on the right as shown on the pin diagram. Thing is, its not just an ic in whose case loads of tutorials are available, it is a complete module image attached. I am going to use channel 1 of l293d motor driver to drive and control rotation direction of dc motor. One of the greatest advantages is that it can run the motor in both directions. L293d is a simply a motor driver ic which allows dc motor to drive on either direction. Motor drivers act as current amplifiers since they take a lowcurrent control signal and provide a highercurrent signal.
Mar 30, 2016 the motor drivers are mainly used to drive a motor as the output voltage current from a pin of a micro controller is not enough to drive a motor. I initially wanted to use the motor shield but my teacher gave me a l293d motor driver instead. Drv8886at simple and efficient solution for stepper motor control. L293d ic is same like an h bridge circuit with two channels. H bridge motor control circuit using l293d ic elprocus. Two phase motor driver, block diagram of l 293d application for two phase motor is given in the figure shown below. It means, by using a l293d ic we can control two dc motors. So be careful with choosing the proper motor according to its nominal voltage and current. The most commonly used motor driver ics are from the l293 series such as l293d, l293ne, etc. This is designed to provide bidirectional drive currents at voltages from 5 v to 36 v. Dc motor control tutorial l293d motor driver pwm h. It can drive 4 dc motors on and off, or drive 2 dc motors with directional and speed control.
1537 29 336 176 31 444 258 1040 1180 953 1011 126 428 287 665 456 796 975 1377 1441 1125 527 1063 143 1360 487 442 937 1508 1231 369 55 1350 196 103 999 679 509 1216 1425 22