What is ESC in a DC motor?

An electronic speed controller, often known as an ESC, is a device that is utilized to control the

  • Speed,
  • Direction, And
  • Braking

of a direct current (DC) motor.

It does this by regulating the power supply to the motor as it receives input signals, which typically come from a remote control (or) a microcontroller. The ESC is responsible for regulating the voltage & current that are supplied to the motor, which enables precise control over the operation of the motor. ESCs typically offer a variety of characteristics, including

  • Soft start,
  • Over-current protection, &
  • Thermal protection,

in addition to speed control.

These features contribute to an improvement in the motor’s performance and also extend its lifespan.