L293 and l293d h bridge motor driver ic pin out and working. L293d is a motor driver ic used to control motors with a microcontroller. Motors used in academic robots normally operate at 5, 6, 9, 12 or 24. This article includes additional downloadable resources. L293, l293d quadruple halfh drivers slrs008b september 1986 revised june 2002 post office box 655303 dallas, texas 75265 7 application information 5 v 24 v 10 k. The most commonly used motor driver ics are from the l293 series such as l293d, l293ne, etc. Vcc1 vcc2 control a control b 4, 5, 12, gnd thermal shutdown motor 16 3 3 6 11 14 4y 3y 2y 1y 1,2en 1a 2a 3,4en 3a 4a 15 10 9 7 2 1 figure 2. It means that you can control two dc motor with a single l293d ic.
How to use a l293d chip with arduino and a motor arduino. Ic l293d motor driver chipto control robot motors, you need a device that could convert lowpower signals into currents that are sufficient to control motors. For controlling motor speed more than 100% on or off, you must use a pwm enabled pin on the arduino for the l293d enable pin ie. As well, this ic can drive small and quiet big motors. A motor driver ic named l293d is used here for interfacing the gear motor with arduino. Arduino dc motor speed and direction control with l293d. The l293d belongs to a sort of h bridge motor driver shield, quadruple highcurrent halfh driver, used to provide bidirectional drive currents of up to 600 ma at voltages from 4. L293d motor driver ic l293d, is a motor driver ic which allows the motor to drive on either direction. The l293d hbridge motor driver ic contains two inbuilt hbridge driver circuits. This l293d ic allows dc motor to drive on either direction. The l293 and l293d devices are quadruple high current halfh drivers.
Here is i am shearing the code for drive a cdrom stepper motor. The l293d is a 16pin motor driver ic which can control a set of two dc motors simultaneously in any direction. L293d is a suitable device to use for stepper motors, gear motors etc. Controlling the l293d unomega shield with dc motors. Arduino dc motor speed and direction control with l293d motor driver. This is designed to provide bidirectional drive currents at voltages from 5 v to 36 v.
Lets control an dc motor with a l293d chip and make it so it will go clockwise or counter clockwise. The l293d is designed to provide bidirectional drive currents of up to 600 ma per channel at voltages from 4. Drivers are enabled in pairs, with 2 applications drivers 1 and 2 enabled by 1,2en and drivers 3 and 4 stepper motor drivers enabled by 3,4en. L293d consist of two hbridge designed using 4transistor circuit that helps us to reverse the direction of rotation and to control the speed of the dc motor. Motor driver ic technology robotix society, iit kharagpur. Description l293d motor driver sheild for arduino in pakistan. You can use it to control small dc motors toy motors. Drivers are enabled in pairs, with drivers 1 and 2 enabled by 1,2en and drivers 3 and 4 enabled by 3,4en. A motor driver is an integrated circuit chip which is usually used to control motors in autonomous robots. L293d ic is a typical motor driver ic which allows the dc motor to drive on any. The l293d is a dualchannel hbridge motor driver capable of driving a pair of dc motors or single stepper motor.
Interfacing dc motor with pic microcontroller using l293d. L293d l293dd 600ma l293d l293 l293d pin diagram l293dd all l293d l293d motor driver so20 l293d operation l293d applications. Input logic 00 or 11 will stop the corresponding motor. In a similar way the motor can also operate across input pin15 and pin10 for. The four middle pins of the l293d motor driver chips are tied to a large heat sink and thus may end up getting bridged with solder. See the l293d datasheet for more information on connecting to the arduino and to the motor.
In the circuit there are 3 push buttons, 2 for selecting the direction and the other one for stopping the motor. You have to connect the stepper motor to driver shield. The l293d dual hbridge motor driver is a general purpose high voltage high current driver that can handle 4. 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 is designed to provide bidirectional drive currents of up to 1 a at voltages from 4. There is a suggestion in the datasheets that involves a heatsink which. To power itself it requires 5v voltage through vcc1 and can deliver up to 12 volts through vcc2. L293d motor driver arduino robo india tutorials learn. Logic 01 and 10 will rotate it in clockwise and anticlockwise directions, respectively. Drv8886at simple and efficient solution for stepper motor control. The l293d is a 16 pin ic, with eight pins, on each side, to controlling of two dc motor simultaneously.
Revised november 2004 post office box 655303 dallas, texas 75265 7 application information 5 v 24 v 10 k. Introduction even the simplest robot requires a motor to rotate a wheel or performs particular action. Adafruit driver shield l293d driver shield cd rom stepper motor. L293d is a motor driver 16 pin ic which can be used to run a set of two dc motors at a time. How to use the l293d motor driver ic ardumotive arduino. Arduino servo motor control with motor driver shield l293d. The l293d is a 16 pin ic, with eight pins, on each side, dedicated to the controlling of a motor. These ics are designed to control 2 dc motors simultaneously. L293d motor driver ic l293d pin diagram working and description. L293d is a 16pin ic which can control a set of two dc motors simultaneously in any direction. L293d motor driver ic used in robots buy online india. Suppression l293d with a darlington transistor sink and a pseudodarlington source.
This shield can control servos, dc motors and stepper motors. For example motors dc or stepper or servo require high power and 2, 3 control signals for rotation direction change and speed control. L293d motor driver working operation hi all today we will see l293d motor driver working operation. Hbridge motor control circuit using l293d motor driver. 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. In following schematic ic 555 timer acts as a pwm generator and h bridge motor driver ic l293d takes. Controlling the l293d unomega shield with dc motors the l293d is a dedicated module to fit in arduino uno r3 board, and arduino mega, it is actually a motor driver shield that has full featured arduino shield can be used to drive 2 to 6 dc motor and 4 wire stepper motor and it. The l293 and l293d devices are quadruple highcurrent halfh drivers. We can control the direction and speed of dc motor 12v by arduino using l293d motor driver. The motor driver is a module for motors that allows you to control the working speed and direction of two motors simultaneously. For driving a linear motor, i wanted to use some motor driver ic among l293 or l293d or tb6612fng. Share on tumblr the dc motor used in many applications, and some applications requires speed control of dc motor some times it requires rotation direction control. Vcc1 vcc2 control a control b 4, 5, 12, gnd thermal shutdown motor 16 8 3 6 11 14 4y 3y 2y 1y 1,2en 1a 2a 3,4en 3a 4a 15 10 9 7 2 1 figure 2.
L293d ic is a typical motor driver ic which allows the dc motor to drive on any direction. It can control both speed and spinning direction of any unipolar stepper motor like 28byj48 or bipolar stepper motor like nema 17. It can simultaneously control the direction and speed of two dc motors. Here the simple dc motor speed control pwm circuit is constructed by using ic 555 and motor driver ic l293d. Hobby servos are the easiest way to get going with motor control. I received a kit from gearbest that included all the parts i needed for this project and recommend it to you if you are just starting with arduino, you can check it. Here, we are using l293d motor driver ic to drive dc motors.
Output current 1 a per channel 600 ma for l293d peak output current 2 a per channel 1. Controlling dc motors using arduino is very interesting. Lets begin our tutorial and learn how ic l293darduinogear motor interface is done. L293d is a typical motor driver or motor driver ic which allows dc motor to drive on either direction. How to use l293d module motor shield with arduino make. L293d motor driver module arduino tutorial dc motor control. L293d datasheet and pinout h bridge motor driver shield. We can control 4 motors with the shield so there are two l293d ics used. L293l293dtb6612fng current limitation for motor driving. L293d is a 16 pin motor driver ic consist of quadruple half h drivers.
Dc motor control with pic16f877a and l293d proteus. Functioning of l293d motor driver electronics club, iit. L293d motor control shield 4channel stepper motor driver. It means, by using a l293d ic we can control two dc motors. A motor driver is an integrated circuit chip which is usually used to control motors in. L293d motor driver ic l293d pin diagram working and. And motor which i am using, has a voltage rating of 12v and current rating is unknown. L293d contains two inbuilt hbridge driver circuits. Arduino gear motor interface using ic l293d motor driver.
H bridges are available as integrated circuits, or can be built from discrete components the term h bridge is derived from the typical graphical representation of such a circuit. Dc motor interfacing with pic16f877a circuit diagram. The l293 and l293d are characterized for operation from 0c to 70c. 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. L293d is a dual hbridge motor driver integrated circuit ic. And according to datasheets, maximum current that can handle by each channel in driver ic seems to be 600ma1a1. An h bridge is built with four switches solidstate or mechanical. The l293d ic is designed to drive inductive loads such as relays, solenoids, dc and bipolar stepping motors. The speed is controlled using a potentiometer connected to pin a0 and the direction of rotation can be changed with a pushbutton connected to pin 8. Dc motor control with pic16f877a and l293d circuit. There are several reasons which make l293d the preferred driver to the. L293d hbridge driver is the most commonly used driver for bidirectional motor driving applications. In case the circuit becomes complex and you need to drive load with two, three or four ttl signals you use a combination of transistors or mosfet to.
One of the easiest and inexpensive way to control stepper motors is to interface l293d motor driver ic with arduino. When ever you want to drive heavy loads with a small ttl signal you use a transistor, bjt or a mosfet. This ic consists of 16pins which are used to control a set of two dc motors instantaneously in any direction. This video explains the working of a motor driver l293d and how to use it in a robotic project.
When the switches s1 and s4 according to the first figure are closed and s2 and s3 are open a positive voltage will be applied across the motor. Motor driver act as an interface between arduino and the motors. Vdd and vss of the pic microcontroller is not shown in the circuit diagram. Motor driver ic l293d ic l293d ses5001 equivalent l293 h bridge l293a l293d motor driver l293d to control dc motor l293d circuit diagram l293d relay driver text. Hbridge motor control circuit using l293d motor driver ic. To understand the working of l293d, we first need to know about a component called hbridge. Contains four half hbridges that can operate as two full hbridges. The 2 leds are used to indicate the motor rotation direction, if led1 is on that means direction 1 has been chosen and the.173 1486 1010 332 493 1417 983 226 1103 627 1297 704 590 1118 220 902 1122 1042 536 1371 1449 612 1328 437 207 781 1018 235 1143 158 272 1322 1443 1021 1267 1282 743 748 1106 958 922 652 79 556 1286 1425 618 894 1454 206