L298 Motor Driver IC

Name: L298 Motor Driver IC
SKU: 5988
Availability: InStock

Each bridge in this IC includes two current sense pins like CSA & CSB and enable pins like ENA & ENB. Here, current sense pins are connected to the ground terminal but we can also include a low-value resistor where its voltage reading is relative to the current. Similarly, enable pins can also be used to make all the outputs active simultaneously

Pin Configuration:

The pin configurations of L298 dual full-bridge driver IC include 15-pins where each pin is discussed below. This IC includes dual bridges namely; H-bridge A & H-bridge B.

Pin1 (Current Sensing A): This pin is used to control the flow of the current of the load.
Pin2 & 3(Output 1 & 2): These two pins are output pins of the H- Bridge A where the current supplies throughout the load which is monitored at pin-1
Pin4 (VS): This is a voltage supply pin, connected to +5V.
Pin5 & 7 (Inputs): Control Inputs of the Bridge A & compatible with TTL
Pin6 (Enable A): This is an enable input with TTL compatible
Pin8 (GND): This is a GND pin
Pin9 (Logic Voltage Supply): This pin provides voltage supply for the logic blocks.
Pin10 & 12 (Inputs3 & 4): These are control inputs of bridge-B and compatible with TTL
Pin11 (Enable B): This is an enable Input with TTL compatible
Pins 13 & 14 (Output 3 & 4): These are output pins of the H- Bridge B where the flow of current throughout the load is monitored at pin15.

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Description

An L298 Motor Driver IC is a monolithic chip, used in motor driver modules to control the speed of a DC motor. At present, the most frequently used motor driver ICs as compared to L298 is; L293D & L2938N. This IC is frequently used in RC cars & autonomous robots. The input provided to a motor driver module is taken from a controller like Arduino.So this logic input is simply used to control the direction of the motor which is connected to the motor driver IC. The motor driver module mainly includes a motor driver IC, which is an essential component in this module. This single IC can control the motor alone but using the motor driver module by interfacing it with Arduino can make it easy. This article discusses an overview of L298 motor driver IC, working with applications.The high-power version of the L298 IC is an L293 motor driver IC. It is a dual full-bridge driver IC with high current & voltage, mainly designed to allow typical TTL logic levels to control different inductive loads like DC motors, solenoids, relays, stepper motors, etc. The motor driver is a small current amplifier that uses a low current signal to provide a high current signal for driving .

L298 IC includes four separate power amplifiers where two amplifiers can form H-bridge A and the other two types of amplifiers can form H-bridge B. Here, One H Bridge is used to switch the polarity to control the motor direction whereas pair of H bridges are used for controlling a bipolar stepper motor.

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