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Arduino L298N Motor Driver Module: L293D VS L298N, Pinout, Datasheet, and Schematic

Author: William
Date: 20 Sep 2022
 210
L298N Schematic

L298N Description

Video related to L298N

L298N Pinout

L298N Schematic

L298N Block Diagram

L298N Features

L298N Applications

L298N Equivalents

How to use the L298N Motor Driver

L298N Datasheet

L293D VS L298N: The differences between them

L298N packaging information

L298N FAQ

L298N Description

The L298N integrated monolithic circuit is housed in the 15-lead Multiwatt and PowerSO20 packages. It is a dual full-bridge driver with high voltage and current that is intended to drive inductive loads including relays, solenoids, DC motors, and stepping motors. It can also handle ordinary TTL logic levels. There are two enable inputs provided to enable or disable the device independently of the input signals. The bottom transistors of each bridge have connected emitters, and the proper wires can be used to connect an external sensing resistor to the correct external terminal. A second supply input allows the logic to run at a lower voltage.

 

Video Description: The L298N Dual H-Bridge Motor Controller is an inexpensive device that allows you to control two independent DC motors using 5-volt digital logic signals, such as the digital output pins of an Arduino. The L298N can also be used to control a single stepper motor or two sets of LED lighting strips. In this tutorial, we'll learn how to control two 6-volt DC motors with the L298N.

 

L298N Pinout

L298N Pinout

Pin Name Description
IN1 & IN2 Motor A input pins. Used to control the spinning direction of Motor A
IN3 & IN4 Motor B input pins. Used to control the spinning direction of Motor B
ENA Enables PWM signal for Motor A
ENB Enables PWM signal for Motor B
OUT1 & OUT2 Output pins of Motor A
OUT3 & OUT4 Output pins of Motor B
12V 12V input from DC power Source
5V Supplies power for the switching logic circuitry inside L298N IC
GND Ground pin

 

L298N Schematic

L298N Schematic

 

L298N Block Diagram

L298N Block Diagram

 

L298N Features

  • Driver Model: L298N 2A
  • Driver Chip: Double H Bridge L298N
  • Motor Supply Voltage (Maximum): 46V
  • Motor Supply Current (Maximum): 2A
  • Logic Voltage: 5V
  • Driver Voltage: 5-35V
  • Driver Current:2A
  • Logical Current:0-36mA
  • Maximum Power (W): 25W
  • Current Sense for each motor
  • Heatsink for better performance
  • Power-On LED indicator

 

L298N Applications

  • Drive DC motors
  • Drive stepping motors
  • In Robotics

 

L298N Equivalents

  • TMC2209
  • DRV8825
  • A4988
  • L9110S
  • DRV8711

 

How to use the L298N Motor Driver

Step1: The controller has a capacity of two motors. Connect one motor to the OUT1 and OUT2 terminals. Connect the second motor to the OUT3 and OUT4 terminals.

Step2: The L298N's row of pins on the bottom right corner regulates the motors' direction and speed. The direction of the motor coupled to OUT1 and OUT2 is managed by IN1 and IN2. The direction of the motor coupled to OUT3 and OUT4 is managed by IN3 and IN4. I connected them to the Arduino's pins 2, 3, and here, pin 5.

Step3: By connecting your power supply to the L298N's "12V" pin, you can power the device with up to 12V. You can utilize the 5V output on the pin marked "5V" to power your Arduino. Depending on your use case, below are several wiring configurations.

 

L298N Datasheet

The below is the Datasheet about the L298N.

L298N Datasheet

 

L293D VS L298N: The differences between them

  • L298N drivers have a range of 4.5V to 46V, compared to L293D drivers' 4.5V to 36V operating range.
  • When using both channels, the L293D Motor Driver can draw up to 600mA, whereas the L298N Motor Driver can draw up to 2A.
  • The difference between L298N and L293D is that L293D is a quadruple motor driver that uses a half-H driver, but L298N is a dual full-H driver. As a result, all four input-output lines in L293D are independent, however in L298N only a full H driver may be employed.
  • L298N output current is 2A while L293D output current is 650mA for each channel. As a result, L298N motor drivers have a heat sink.
  • EMFs are delivered internally in L293D but must be supplied externally in L298N.
  • The L293D is suitable for small current-drawing motors such BO motors, DC geared motors up to 500 RPM, and tiny stepper motors with current requirements as low as 600mA at their highest torque ratings. While L298N is suitable for high torque and high RPM motors like Johnson motors and high torque DC Geared motors because to its higher output current of up to 2A.
  • While the L298N motor driver IC cannot be utilized on a breadboard, the L293D motor driver IC may.
  • The efficiency of L293D is 50%-90%, while the efficiency of L298N is 30%-70%.
  • The L298D's fast direction switching is less heating than L298N's.

 

 

L298N packaging information

L298N Packaging information(1)

L298N Packaging information(2)

 

L298N FAQ

What is the use of L298N?

With the L298n dual H-bridge, you may change the current's direction, which enables you to turn a motor in both directions. Additionally, you can use an Arduino to spin it at any speed using PWM input.

 

What is L293D motor driver?

At voltages ranging from 4.5 V to 36 V, the L293D is intended to deliver bidirectional drive currents of up to 600 mA. Both devices are made to drive inductive loads in positive-supply applications, including relays, solenoids, DC and bipolar stepping motors, as well as other high-current/high-voltage loads.

 

How much power does L298N use?

It makes use of the well-known L298N Dual H-Bridge Motor Driver chip and is potent enough to drive motors at up to 2 Amps per channel at voltages between 5 and 35 volts.

Ordering & Quality

Photo Mfr. Part # Company Description Package PDF Qty Pricing
(USD)
L298N L298N Company:STMicroelectronics Remark:IC BRIDGE DRIVER PAR 15MULTIWATT Package:Multiwatt-15 (Vertical, Bent and Staggered Leads)
DataSheet
In Stock:7084
Inquiry
Price:
1+: $4.86000
10+: $4.36500
25+: $4.12640
100+: $3.39290
250+: $3.04444
500+: $2.93440
1000+: $2.43922
2500+: $2.34752
5000+: $2.27416
Inquiry

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