The devices are available in a large selection of spacesaving, thermallyenhanced packages. When you feel everything is right but the circuit is still not working, just tighten the motor driver chip on the breadboard. As the name suggests it is mainly used to drive motors. Driving a dc motor with an arduino and the l293d motor. How to use l293d module motor shield with arduino make. 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. Pushpull four channel driver with diodes, l293d datasheet, l293d circuit, l293d data sheet. Basically this means using this chip you can drive dc motors with power supplier. The l293 and l293d devices are quadruple highcurrent halfh drivers. Review of datasheet simple arduino code to us l293d motor driver with demoadvanced code to use l293d motor driver in an easy way with under some condition with demo download the code for l293d. The l293 is designed to provide bidirectional drive currents of up to 1 a at voltages from 4. The l293d is already mounted on the pdb and will control 2 dc motors or a 4wire bipolar stepper motor. L293d is one of the most popular motor drivers to run dc motors with up to 1a current load. Onboard dual hbridge driver l293d drives 2 dc motors or 1 stepping motor at one time.
Complete technical details can be found at the l293d datasheet given at the end of this page. 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. The l293d quadruple halfh drivers chip allows us to drive 2 motors in both directions, with two pwm outputs from the arduino we can easily control the speed as well as the direction of rotation of one dc motor. On the l293, external highspeed output clamp diodes should be used for inductive transient. Revised november 2004 post office box 655303 dallas, texas 75265 7 application information 5 v 24 v 10 k.
It can control both speed and spinning direction of two dc motors. Thereby it is a suitable device for obtaining variable dc by controlling the motor speed. 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. L293d find the pdf datasheet, specifications, oem and distributor information. If you are planning on assembling your new robot friend, you will eventually want to learn about controlling dc motors.
Design considerations for brushless direct current motor control. L293d solenoids, dc and bipolar stepping motors, as well as. Device information1 part number package body size nom l293ne pdip 16 19. To understand the working of l293d, we first need to know about a component called hbridge. Dc motor drivers the l293 and l293d are characterized for operation latching relay drivers from 0c to 70c. The l293d datasheet specifies that this device is a monolithic integrated high voltage, high current four channel driver designed to accept standard dtl. L293d is a monolithic integrated, high voltage, high current, 4channel driver.
Ti quadruple halfh driver,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. L293d motor driver ic pinout, equivalent ics, features and. Description the controller is build around the ic l293d that can provide 600ma per channel, and a hbridge designed with transistors npn and pnp transistors, than can provide 1. Texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Each output is a complete totempole drive circuit, with a darlington transistor sink and a pseudo darlington source. L293d is a dual hbridge motor driver integrated circuit ic. This circuit is a basic circuit for understanding the way of l293d h bridge dc motor control with arduino. Allows controlling up to 6 motors or 3 motors if you want to control the rotation of the motors. The l293d is designed to provide bidirectional drive currents of up to 600ma at voltages from 4. It has two builtin hbridge circuits which are able to control two dc motors simultaneously. L293d pdf, l293d description, l293d datasheets, l293d view.
It can also drive 2 stepper motors unipolar or bipolar, single coil or double coil, interleaved or microstepping. L293d datasheet, l293d pdf, l293d data sheet, l293d manual, l293d pdf, l293d. This example shows how to control a dc motor speed and direction of rotation using arduino uno and l293d motor driver chip. The l293d can make the dc motor go clockwise, counterclockwise, or stop by just changing the values of the input pins. It can simultaneously control the direction and speed of two dc motors. A single l293d ic is capable of running two dc motors at. 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. We can control 4 motors with the shield so there are two l293d ics used. Motor drivers act as current amplifiers since they take a lowcurrent control signal and provide a highercurrent signal. You can use 2 dc servos that run on 5v and up to 4 dc motors or 2 stepper motors or 1 stepper and up to 2 dc motors can i connect more motors. L293d contains two inbuilt hbridge driver circuits. Here is a design for a fullfeatured motor shield that will be able to power many simple to mediumcomplexity projects.
L293d datasheet and pinout h bridge motor driver shield. The l293d is a dualchannel hbridge motor driver capable of driving a pair of dc motors or single stepper motor. L293d pushpull four channel drivers with diodes, l293d, l293dd, l293dd0tr. Controlling the l293d unomega shield with dc motors. L293d is a 16 pin motor driver ic consist of quadruple half h drivers. In this lesson, you will learn how to control both the direction and speed of a small dc motor using an arduino and the l293 motor driver chip. An important notice at the end of this data sheet addresses availability. L293d datasheet, l293d pdf, l293d data sheet, l293d manual, l293d pdf, l293d, datenblatt, electronics l293d, alldatasheet, free, datasheet, datasheets, data sheet. L293d motor driver ic pinout, equivalent ics, features and datasheet. Dc motors can be easily interfaced with pic microcontroller using l293d or l293, ics. L293d motor driver module arduino tutorial dc motor control. 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. Luckkyme l293d dip 16pin ic stepper motor drivers controllers motor driver ic for two full or four half h bridge motor control 10 pieces 5. L293d datasheet, l293d datasheets, l293d pdf, l293d circuit.
It is actually a motor driver shield that has full featured arduino shield can be used to drive 2 to 6. The l293 and l293d models can drive current up to 1a and 600ma respectively. The further detail about l 293d motor driver controller will be given later in this tutorial. The l293 and l293d are quadruple highcurrent halfh drivers. Drv8886at simple and efficient solution for stepper motor control. No, at this time it is not possible to stack the shield or otherwise connect it up easily to control 4 steppers, for example. Introduction to l293d and controlling dc motor no stepper. The l293d is a 16pin motor driver ic which can control up to two dc motors simultaneously, in any direction. Interfacing dc motor with pic microcontroller using l293d. The two chips of l293d can control four motors with 0. In its common mode of operation, two dc motors can. 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. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
This motor driver expansion board is based on the l293d chip which is designed to drive up to 4 bidirectional dc motors with individual 8bit speed selection. L293d has 4 outputs which makes it suitable for 4wire stepper motors. Dc motor controls connections to ground and to, l low, h high, x dont care 4, 5, 12, gnd figure 5. Arduino dc motor speed and direction control with l293d. 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. If you connect one of the inputs to the other through and inverter then you can control the direction with just one io pin. The l293d motor driver ic can control a set of two dc motors simultaneously in any direction.
The drivers integrate a dual current control core and a dual fullbridge power stage to drive two brushed dc motors. Up to 4 bidirectional dc motors with individual 8bit speed selection so, about 0. This is lesson 15 in the learn arduino adafruit series. Ic driver 293 quad halfh 16 pin dip drawing content created by. L293d is a motor driver 16 pin ic which can be used to run a set of two dc motors at a time. This shield can control servos, dc motors and stepper motors. Functioning of l293d motor driver electronics club, iit. L293d is a suitable device to use for stepper motors, gear motors etc. To power itself it requires 5v voltage through vcc1 and can deliver up to 12 volts through vcc2. Part number marketing status package grade marketing lead time qty material. One of the easiest and inexpensive way to control dc motors is to interface l293d motor driver ic with arduino. Dc motor driver circuit uln2003 experimentcorrection l293d. Brushed dc motor drivers stmicroelectronics brushed dc motor drivers are a portfolio of stspin motor drivers for brushed dc motors. This higher current signal is used to drive the motors.