Home Electronics Integrated Circuits Motor Control Pin Diagram PinOut Motor Driver IC L293D and L298N Module Pinout Diagram

Motor Driver IC L293D and L298N Module Pinout Diagram

Last Updated on: 2024-09-28T13:30:00Z , , , ,


Hi, In this article, we are going to see the Motor Driver IC L293D Module and IC L298N Module Pinout Diagrams. Both of these motor driver IC modules are used to control DC motors and stepper motors. We can use these IC Modules with the Arduino or any other microcontroller to control the direction and speed of motors.

The L293D is a 16-pin dual H-bridge motor driver IC. It can control two DC motors in both directions (clockwise and counterclockwise). It can handle motor voltages between 4.5V and 36V. The L293D IC can drive up to 600mA per channel and provides a peak current of 1.2A per channel.

The L298N is a more powerful dual H-bridge motor driver IC that has 15 pins. It is used to control two DC motors or one Stepper Motor in both directions. It supports motor voltages between 5V and 46V.  It can handle up to 2A per channel and has a peak current of 3A per channel.

So, both of the ICs are primarily used for motor control, but the L298N supports higher voltage and current compared to the L293D.


Motor Driver IC L293D Module Pinout


Here, in the below figure, you can see the pinout diagram of the Motor Driver IC L293D and Motor Driver IC L293D Module individually.

Pinout Diagram of Motor Driver IC L293D Module


IC L293D Pinout Details


Enable Pins (1, 9): These pins enable or disable the H-bridges. They must be high (logic 1) to allow the motors to be controlled.

Input Pins (2, 7, 10, 15): These pins are used to control the direction of the motor. By setting them high or low in different combinations, you can control the forward or backward movement.

Output Pins (3, 6, 11, 14): These pins are to be connected to the motor terminals.

VS Pin (8): This is where you supply the voltage for the motors (4.5V to 36V).

VSS Pin (16): This is for the logic supply voltage (usually 5V).

The ground pins (4, 5, 12, 13) should all be connected to a common ground for both logic and motor power.

L293D Module Pinout Details


The L293D module is basically a breakout board that is built with an L293D motor driver IC with additional components like capacitors, resistors, and terminal blocks for easy wiring. This module simplifies connections to motors and microcontrollers like the Arduino.

L293D IC is the core component of this module that actually controls two DC motors. The 4 Screw Terminal Blocks(Motor A Out1, Motor A Out2, Motor B Out1, and Motor B Out2) are used for motor connections (Motor A and Motor B outputs). The Pin Headers allow easy connections to microcontroller boards, providing inputs for motor control signals(Motor 1 Input, Motor 2 Input). Some modules use screw terminals block and some modules use pin headers for power supply inputs(Motor Voltage, Logic Voltage, and Ground).


Read Also: 

Motor Driver IC L298N Module Pinout


Here, in the below figure, you can see the pinout diagram of the Motor Driver IC L298N and Motor Driver IC L298N Module individually.

Pinout Diagram of Motor Driver IC L298N Module


IC L298N Pinout Details


Enable Pins (6 and 11): These pins enable or disable the H-bridges. They must be high (logic 1) to allow the motors to be controlled. EN A enables the first H-bridge (Motor A), and EN B enables the second H-bridge (Motor B).

Input Pins (5, 7, 10, 12): These pins are used to control the direction of the motor. By setting them high or low in different combinations, you can control forward or backward movement. IN1 and IN2 control Motor A, while IN3 and IN4 control Motor B.

Output Pins (2, 3, 13, 14): These pins are connected to the motor terminals. OUT1 and OUT2 correspond to Motor A, while OUT3 and OUT4 correspond to Motor B.

Current Sensing Pins (1 and 15): These pins are used to monitor the current flowing through each motor controlled by the H-bridges (Current Sensing A for Motor A and Current Sensing B for Motor B). By connecting low-value resistors (sense resistors) to these pins, you can measure the voltage drop across the resistor, which is proportional to the current through the motor.

Supply Voltage VS (4): This pin provides the power supply for the motors connected to the L298N IC. The voltage supplied to this pin directly powers the motors, so it needs to be compatible with the motor's voltage requirements that is 5V to 46V.

Logic Supply Voltage VSS (9): This pin provides the power for the internal logic circuitry of the L298N IC. The logic voltage controls the internal H-bridge transistors that direct the motor's operation. The logic voltage is typically 5V, as this is the standard voltage level used by most microcontrollers like Arduino or Raspberry Pi.

The ground pin (8) should be connected to a common ground for both logic and motor power.

L298N Module Pinout Details


The L298N module is built with the L298N motor driver IC and includes additional components like capacitors, a 5V voltage regulator, and terminal blocks for easier connections. This module simplifies motor control projects, especially when interfacing with microcontrollers like the Arduino.

L298N IC is the core component of the module which is responsible for controlling two DC motors or one stepper motor. The 4 Screw Terminal Blocks (Motor A OUT1, Motor A OUT2, Motor B OUT3, and Motor B OUT4) are used for motor connections (Motor A and Motor B outputs). Pin Headers provide easy connections to a microcontroller for motor control signals, such as the motor inputs (IN1, IN2 for Motor A; IN3, IN4 for Motor B). Screw terminals and pin headers both are provided for power inputs(Motor Voltage, Logic Voltage, and Ground). The motor voltage (5V to 46V) supplies the motors, and the logic voltage (typically 5V) powers the control circuitry. Enable Pins (EN A, EN B) can be connected to a PWM output from a microcontroller to control the speed of the motors, or set high to enable constant operation of the motors.


Read Also: 

Thank you for visiting the Website. Keep visiting for more Updates.

Motor Driver IC L293D and L298N Module Pinout Diagram Motor Driver IC L293D and L298N Module Pinout Diagram Reviewed by Author on September 28, 2024 Rating: 5

Remember that Electrical is very Dangerous. And all information provided in this blog is for general knowledge only. So before executing or doing any electrical related work please verify and gather authorization.


Powered by Blogger.