H bridge motor control circuit using l293d ic h bridge circuit. Vcc1 v cc2 16 8 1,2en 1 1a 2 2a 7 3,4en 9 3a 10 4a 15 control a control b 4, 5, 12, gnd thermal shutdown motor 1y 3 2y 6 3y 11 4y 14 figure 3. It can control the dc motors in both clockwise and anti clockwise directions. The ic works on the principle of half hbridge, let us not go too deep into what hbridge means, but for now just know that h bridge is a set up which is used to run motors both in clock wise and anti clockwise direction. Interfacing dc motor with pic microcontroller using l293d. Descriptions of texas instruments l293dne provided by its distributors. Bidirectional motor controller circuit using l293d. Wide voltage range allows for an adaptive voltage range control. Revised november 2004 8 post office box 655303 dallas, texas 75265 application information 5 v 24 v 10 k.
L298 hbridge motor drive l293d dual hbridge l293d hbridge l298d dual hbridge l293d dc motor speed controller uc3622 l293d motor controller solenoid drivers mosfet application solenoid driver text. It means that you can control two dc motor with a single l293d ic. L293d datasheet, l293d pdf, l293d data sheet, l293d manual, l293d pdf, l293d, datenblatt, electronics l293d, alldatasheet, free, datasheet, datasheets, data sheet. H bridge and l293d motor driver h bridge is simply a circuit that allows a voltage to be applied across a load in either direction. How to use the l293d motor driver arduino tutorial. Hbridge is a circuit which allows the voltage to be flown in either direction. Dc motor driver circuit in the article dc motor driver hbridge l293 2 motor dc only use ic l293d only. It has 16 pins and it can control two dc motors at a time. L293d is a dual hbridge motor driver integrated circuit ic. Add a red wire or any color to connect pin9 to enable pin.
All the four outputs of this ic are ttl compatible and output clamp diodes are provided to drive inductive loads. Both devices are designed to drive inductive loads such as relays, solenoids, dc and bipolar stepping motors, as well as other high. I had an l293d hbridge ic explode on my adafruit motor shield like this one when i was trying to power a motor on a fast traxx rc car. Pricing and availability on millions of electronic components from digikey.
The dc motor speed in general is directly proportional to the supply voltage, so if reduce the voltage from 9 volts to 4. So, if you want to control a 9v motor or a 12v motor then it. May 24, 20 l293d is a quadruple half hbridge driver commonly used for motor driving. L293dne texas instruments motor drivercontroller, halfh. The l293 and l293d models can drive current up to 1a and 600ma respectively. Applications of l293d dual h bridge motor driver ic. Either way, it can be used to drive two standard dc motors independently with full direction and speed control. L293d motor driver ic is also known as h bridge ic. The l293dne dual hbridge ic is able to run four solenoids, two dc motors or one bipolar or unipolar stepper motor, with up to 600ma per channel.
The l293dne is designed to provide bidirectional drive currents of up to 600ma at voltages from 4. Dc motor driver with hbridge ic l293d electronic circuit. H bridge is a circuit which allows the voltage to be flown in either direction. Adafruit accessories dual hbridge motor driver for dc or steppers 600ma l293d. Hbridge is the simplest circuit for controlling a low current rated motor. The l293d hbridge motor driver chip is a very popular ic that is simple and easy to use. L293d quad half hbridge motor driver ic banana robotics. L293d motor driver ic l293d pin diagram working and. L293d motor driver and controlling motor using pwm. These are perhaps better known as the drivers in our adafruit motorshield. Adafruit accessories dual h bridge motor driver for dc or.
L293d motor driver ic used in robots buy online india. A h bridge is an electronic circuit that allows a voltage to be applied across a load in any direction. The l293d is designed to provide bidirectional drive currents of up to 600ma at voltages from 4. Hbridge motor control circuit using l293d motor driver ic. Dual h bridge motor driver for dc or steppers 600ma l293d. If you accidentally damaged the drivers in a shield, you can use one of. L293dne texas instruments datasheet and cad model download.
The advantage of using dc motor is that, we can reverse the polarity of applied voltage across the load without modifying the circuit. Dual hbridge motor driver l293d ic motor driver and hbridge basics. The ic works on the principle of half h bridge, let us not go too deep into what h bridge means, but for now just know that h bridge is a set up which is used to run motors both in clock wise and anti clockwise direction. Generally, even the simplest robot requires a motor to rotate a wheel or performs particular action. L293d motor driver ic pinout, equivalent ics, features and. L293d can provide up to 600ma current, in the voltage raging from 4. Dc motor driver circuit in the article dc motor driver h bridge l293 2 motor dc only use ic l293d only. This motor driver is often referred to as a dual hbridge but the manufacturer calls it a quad half hbridge driver. With the proper data inputs, each pair of drivers forms a fullh or bridge reversible drive suitable for solenoid or motor applications. The l293d is a 16 pin ic, with eight pins, on each side, to controlling of two dc motor simultaneously.
The chip was getting pretty warm while i ran the motor with it several times and the motor started to kind of stall. They are commonly used for controlling dc motor in moving parts of robots. When the enable input is low, those drivers are disabled, and their outputs are off and in the highimpedance state. I have used a marker to mark the pins to avoid confusion. L293d is a 16 pin motor driver ic consist of quadruple half h drivers. 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. This ic is a very powerful ic and whenever you will want to control a dc motor or stepper motor or any other motor, then this ic will come in handy to you. H bridge motor control circuit using l293d ic hbridge circuit. The l293dne is a quadruple high current halfh driver. In a single l293d chip there are two h bridge circuit inside the ic which can rotate two dc motor independently. L293d ic is a typical motor driver ic which allows the dc motor to drive on any direction. Jun 05, 2012 dc motors can be easily interfaced with pic microcontroller using l293d or l293, ics. In the video i refer to the l293d as an hbridge, technically this isn. L293d dual h bridge motor driver ic l293d is quadruple highcurrent halfh driver.
Interfacing dc motor with atmega32 avr microcontroller. The l293 and l293d devices are quadruple highcurrent half h drivers. This ic consists of 16pins which are used to control a set of two dc motors instantaneously in any direction. Dual hbridge motor driver for dc or steppers 600ma l293d. Dc motors can be easily interfaced with pic microcontroller using l293d or l293, ics. Device information1 part number package body size nom l293ne pdip 16 19. The l293 and l293d devices are quadruple highcurrent halfh drivers.
L293d bipolar motor driver parallel 16powerdip from stmicroelectronics. What we like most about this particular driver is that it comes with built in kickback diodes internally so you dont have to worry about the inductive kick damaging your project or driver theres a pwm input per driver so you can control motor speed. It can simultaneously control the direction and speed of two dc motors. How to use a l293d motor driver ic using this l293d motor driver ic is very simple. Motor drivers act as current amplifiers since they take a lowcurrent control signal and provide a highercurrent signal. In this tutorial we look at how to control dc motors a little better by using an hbridge, specifically looking at the l293d.
It means, by using a l293d ic we can control two dc motors. 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. L293d is a quadruple half hbridge driver commonly used for motor driving. The l293 is designed to provide bidirectional drive currents of up to 1 a at voltages from 4. Motor driver and h bridge basics generally, even the simplest robot requires a motor to rotate a wheel or performs particular action. L293d motor driver and controlling motor using pwm nodemcu. Adafruit dual hbridge motor driver for dc or steppers. The l293d is a 16 pin ic, with eight pins, on each side, dedicated to the controlling of a motor. Dual hbridge motor driver l293d ic building the circuit part ii. We neednt connect any transistors, resistors or freewheeling diodes. L293d contains two inbuilt hbridge driver circuits. Ordering information ta package orderable part number topside marking hsop dwp tube of 20 l293dwp l293dwp 0c to 70c pdip n tube of 25 l293n l293n pdip ne tube of 25 l293ne l293ne tube of 25.
L293d stmicroelectronics integrated circuits ics digikey. This higher current signal is used to drive the motors. Each chip contains two full hbridges four half hbridges which means you can drive four solenoids, two dc motors bidirectionally, or one stepper motor. This motor driver is often referred to as a dual h bridge but the manufacturer calls it a quad half h bridge driver. The device is designed to drive inductive loads such as relays, solenoids, dc and bipolar stepping motors, as well as other high currenthigh voltage loads in positive supply applications. Solder the pins and wires carefully as mentioned below. Dc motor drivers the l293 and l293d are characterized for operation latching relay drivers from 0c to 70c. Apr 21, 20 in this tutorial we look at how to control dc motors a little better by using an h bridge, specifically looking at the l293d. The reason to use it is that the arduino can only provide output of 5v. Run four solenoids, two dc motors or one bipolar or unipolar stepper with up to 600ma per channel using the l293d. The l293d uses 5v for its own power and external power source is needed to drive the motors, which can be up to 36v and draw up to 600ma. The l293d h bridge motor driver chip is a very popular ic that is simple and easy to use. L293d motor driver module arduino tutorial dc motor control.
Push one side of the wire next to pin9 and the other side to a hole above the socket as shown below. There are 2 input pins, 2 output pins and 1 enable pin for each motor. Nov 01, 2016 it means that we can control two dc motor with a single l293d ic. L293d is a 16pin ic which can control a set of two dc motors simultaneously in any direction. Use as circulating diodes with motor or solenoid drivers drive brushless dc motors. In the video i refer to the l293d as an h bridge, technically this isn. Sparkfun accessories quadruple halfh driver l293dne enlarge mfr. Each chip contains two full hbridges four half hbridges which means you can drive four solenoids, two. Pricing and availability on millions of electronic components from digikey electronics. This is designed to provide bidirectional drive currents at voltages from 5 v to 36 v. Working system of dc motor driver l293d is to provide control signals in the form of logic or pulse to the input lines 1a 1b for dc motor control m1 and the input 2a 2b for the control of dc.
If you accidentally damaged the drivers in a shield, you can. It means that we can control two dc motor with a single l293d ic. In a single l293d chip there are two hbridge circuit inside the ic which can rotate two dc motor independently. L293d is a suitable device to use for stepper motors, gear motors etc. Drv8886at simple and efficient solution for stepper motor control. Just wanted to say thanks your simple and easy to follow guide tought me how to use the l293dne in no time. Since motors require more current then the microcontroller pin can typically generate, you need some type of a switch transistors, mosfet, relay etc. Slrs008d september 1986revised january 2016 l293x quadruple.
1528 46 627 737 313 146 81 324 560 1233 574 518 806 303 876 597 1454 203 532 355 883 992 1208 1421 1452 136 1467 494 108 113 1387 1459