L298HN datasheet by STMicroelectronics

L298HN Frequently Asked Questions (FAQs)

• What is the maximum current that the L298HN can handle?
  The L298HN can handle a maximum current of 2A per channel, but it's recommended to keep it below 1.5A for reliable operation.
• How do I protect the L298HN from back-EMF?
  You can use a flyback diode (e.g., 1N4007) across the motor terminals to protect the L298HN from back-EMF. You can also add a capacitor (e.g., 100nF) in parallel with the motor to filter out high-frequency noise.
• What is the purpose of the enable pins (EN1 and EN2)?
  The enable pins (EN1 and EN2) are used to enable or disable the corresponding motor channels. When the enable pin is high, the motor channel is enabled, and when it's low, the motor channel is disabled.
• How do I control the speed of the motor using the L298HN?
  You can control the speed of the motor by applying a PWM (Pulse-Width Modulation) signal to the IN1 and IN2 pins. The duty cycle of the PWM signal determines the speed of the motor.
• What is the minimum voltage required for the L298HN to operate?
  The L298HN requires a minimum voltage of 5V to operate, but it's recommended to use a voltage between 5V and 24V for reliable operation.