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L298N Datasheet Driver Module Adopts
Controlling the stepper motor from your sketches is very simple, thanks to the per Arduino library. Finally, connect Arduino GND to point 5 on the module, and Arduino 5V to point 6 if sourcing 5V from the module. Two enable inputs are provided to enable or disable the device independently of the input signals.L298N driver module adopts ST companys original L298N chip, adopts SMT technology, high stability, adopts high quality aluminum electrolytic capacitor.Next, connect L298N module pins IN1, IN2, IN3 and IN4to Arduino digital pins D8, D9, D10 and D11 respectively. It is a high voltage, a high current dual full-bridge driver designed to accept standard TTL logic levels and drive inductive loads such as relays, solenoids, DC and stepping motors. The L298 is an integrated monolithic circuit in a 15-lead Multiwatt and PowerSO20 packages.
when current control and PWM operable single-chip device is needed when the control unit can only provide TTL outputs when high power motor driver is required
In the marked, there are H-bridges like L293 which are used for the low powered application while L298 is specially designed for the high power applications. Where a high power motor driver is required. L298 is basically used where H- BRIDGE is required. Logical “0”input voltage up to 1.5V( high noise immunity)Here are a few areas where L298 is preferred: Able to drive a two-phase stepper motor, four-phase stepper motor or two DC motors
The enable pin is pulled high through a resistor so bridge-A will be functioning all the time. The four diodes are FLYBACK diodes used for protecting the IC form inductive voltage spikes. These logic inputs are provided by Microcontroller or Microprocessor in application circuits. As shown in the circuit we have two push buttons Q1 and Q2 which act as controls inputs for bridge-A. The chip is preferred when control unit can only provide TTL outputAlso, the chip does not need any additional components to be installed for operating.For understanding the working of L298 IC, consider the simple circuit configuration shown below.Here we are using one of H-BRIDGES of l298 IC.
The module can drive DC motors that have voltages between 5 and 35V, with a peak current up to 2A.
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