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Description
Dual Full-Bridge Driver
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L298 is a dual H bridge motor driver IC in single ended dual row package. L298 is designed to work with TTL logic levels. L298 is capable of driving two separate DC motors or one stepper motor as L298 has two H bridges built in. L298 also can be configured to separately enable or disable each channel using logic inputs. L298 has capabilities to sense motor current using external resistors and both channels can be monitored separately.
Lets see some of the key features of the L298 dual H bridge motor driver IC.
● Maximum of 46V DC operational voltage
● Total current capabilities up to 4A
● Low saturation voltage
● Over temperature protection
● Logic supply maximum voltage up to 7V DC
● Total maximum power dispassion up to 25W
● Maximum operating temperature up to 130 degrees Celsius
● Back plate heat sink
Lets a simple stepper motor driver circuit using L298 dual H bridge motor controller. Circuit diagram is given below image.
In this circuit motor windings are connected to the Out1 one to Out4 and middle tab is connected to the motor supply. Two enable pins are connected to the 5V supply to keep the L298 driver enabled. As we are not using the current sensing function of the L298 dual h bridge motor driver IC we are going to tie the senseA and SenseB pins to the ground connection. Step signals should be feed through the IN1, IN2, IN3 and IN4. We can use a micro controller to control these signal as per our requirement. We can change the speed and direction of the motor by changing the pulse interval. When using DC motor with L298 dual H bridge driver IC we can use two separate motors. And when using DC motors we can either connect the enable pins to the 5V signal directly to drive the motor at full speed and if we connect a pwm signal to the enable pins we can vary the speed of the motor by changing the pulse width of the pwm signal connected to the enable pins of the L298 dual H bridge motor driver IC. In the below image a reedy made motor driver board built using L298 as the controller is shown.
We can use these drivers to control considerably powerful DC or stepper motors using microcontrollers like Arduino PIC or AVR.
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10000 buyer reviews from United States
Steven Thompson
Length of registration:7 years
The L298N is a great integrated circuit for controlling motors. It is easy to use and provides a reliable and efficient way to control motors. The circuit is also very affordable and can be used in a variety of applications. It is also very durable and can withstand a lot of wear and tear. Overall, the L298N is a great integrated circuit for controlling motors.
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03/17/2023
DiGi
Length of registration:13 years
Nice looking product;Good product
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11/24/2022
pedro
Length of registration:2 years
Very fast delivery.Great parts and quick service! thank you !
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08/31/2022
VE366236 PEDRO PENUELA
Length of registration:10 years
Component according to expectations
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12/17/2020
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L298
L298 has several brands around the world that may have alternate names for L298 due to regional differences or acquisition. L298 may also be known as the following names:
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Unit Price:1.25730
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