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SKU: 0019 | DAA479

The L293D motor driver IC is one of the cheap and easily available devices for controlling the speed and direction of rotation of DC and stepper motors. In this tutorial I will show you how to use this motor driver with Arduino in controlling a simple DC motor and a 28BYJ-48 unipolar stepper motor. The L293D Dual H-Bridge Motor Driver is a general purpose high voltage / high current driver that can handle 4.5 – 36V @ 600mA continuous per channel. PACKAGE INCLUDES: L293D Dual H-Bridge Motor Driver; KEY FEATURES OF L293D DUAL H-BRIDGE MOTOR DRIVER: Contains four half H-Bridges that can operate as two full H-Bridges. L293D Motor Driver Module. L293D is a basic motor driver integrated chip (IC) that enables us to drive a DC motor in either direction and also control the speed of the motor. The L293D is a 16 pin IC, with 8 pins on each side, allowing us to control the motor. It means that we can use a single L293D to run up to two DC motors. The Motor Driver section has the L293D IC with all the pin connections and other necessary passsive electronics. Four Supression Diodes are used for each motor to handel Back EMF. L293D has two power input one for driving the motors and one for logic operations. In this tutorial i am going to teach you how to control speed and direction of dc motor using nodemcu WiFi module and l293d motor driver. Nodemcu will serve a web page on your mobile, desktop, laptop or notebook web browser. Web page enlists the dc motor controls. User can control the rotation speed of.

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L293D is a quadruple high current half H bridge Motor Driver IC for Stepper and DC motor.

The L293 and L293D devices are quadruple high current half-H drivers. The L293 is designed to provide bidirectional drive currents of up to 1 A at voltages from 4.5 V to 36 V. The L293D is designed to provide bidirectional drive currents of up to 600mA at voltages from 4.5 V to 36 V.

L293d motor Driver is designed to drive inductive loads such as relays, solenoids, DC and bipolar stepping motors, as well as other high-current/high-voltage loads in positive supply applications.

Each output is a complete totem-pole drive circuit,with a Darlington transistor sink and a pseudo Darlington source. Drivers are enabled in pairs, with drivers 1 and 2 enabled by 1,2 EN and drivers 3 and 4 enabled by 3,4 EN.

We have large collection of various types of Motor Driver IC's and Motor Driver Modules. Check our complete collection of Motor Driver IC's and motor driver Modules.

Features of L293D Motor Driver IC

• 600mA OUTPUT CURRENT CAPABILITY

• PER CHANNEL

• 1.2 Ampere PEAK OUTPUT CURRENT (non repetitive) PER CHANNEL

• ENABLE FACILITY

• OVER TEMPERATURE PROTECTION

• LOGICAL ”0” INPUT VOLTAGE UP TO 1.5 V (HIGH NOISE IMMUNITY)

• INTERNAL CLAMP DIODES

Application of L293D Motor Driver IC

• Stepper Motor Driver

• DC Motor Driver

• Latching Relay Driver

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L293d H Bridge Datasheet

• L293D Motor Drivers Operates 4.5V to 36V whereas L298N can be Operates up to 46V
• 600mA Current can be drawn through both channels of L293D whereas L298 can draw up to 2A from both channels.
• L293 is quadruple motor driver uses half-H driver while L298 is dual full-H driver, i.e, in L293 all four input-output lines are independent while in L298, a half H driver cannot be used independently, only full H driver has to be used.
• As L293 output current for each channel is 650mA whereas it is 2A for L298. Hence, the heat sink is provided in L298 motor drivers.
• EMF is provided internally in L293D but must be provided externally in L298.
• L293D is suitable for small current drawing motors like BO motor, DC geared motor up to 500 RPM and small stepper motor which takes less current than 600mA at their highest torque rating. Whereas L298N Motor Drivers has the advantage of higher output current up to 2A which suitable for high torque and high RPM motors like Johnson motors and DC Geared motors

L293d Spec Sheet

Although these drivers are very popular in Makers community, it has some limitations like no short circuit, reverse polarity and overheats protection. There are many more driver available at robu.in with these features but they as little costlier as compared to these drivers.