MDDHT3420E

Motor Driver Boards, Modules: MDDHT3420E Application Field and Working Principle

A motor driver board or module is a circuit board or module designed to control one or more electric motors. The MDDHT3420E motor driver board, one of the most popular and widely used boards, offers various features that make it suitable for use in many applications. In this article, the application field and working principle of the MDDHT3420E motor driver board will be discussed.

Application Field

The MDDHT3420E motor driver board is typically used in applications where the load is reversible, such as in robotics, CNC machines, or materials handling. By being able to reverse the direction of the current flow, it is possible to reverse the direction of the motor, allowing the device to be used for linear or rotational motion control. The MDDHT3420E board is also used as a high-voltage amplifier, due to its ability to accept DC input voltages ranging from 5V to 20V.

Working Principle

The MDDHT3420E motor driver board is a three-level gate drive circuit based on the MOSFET technology. This type of driver board is designed to produce a high-current gate signal with a relatively low switch-on resistance, providing a significant power efficiency and a better system performance. The motor driver board is powered by an external power source and the motor is typically connected to the board via two power supply lines, one for the positive voltage and the other for the ground.

The MDDHT3420E board has two halves, each of which is controlled by a two-level logic scheme. When one level of logic is enabled, the other half is disabled. The input signal is typically sent from a microcontroller or an embedded processor to control the motor. The microcontroller will enable one of the three logic states on the MDDHT3420E board, either to turn the motor on, to turn it off, or to keep it in a certain speed. The board also includes a fault indicator LED which lights up when the motor is not operating correctly.

The MDDHT3420E board can be used with various types of motors, including brushed DC motors, brushless DC motors, and universal motors. The board also supports PWM input, which allows for precise control of the motor speed. The board has an over-current protection feature, which will turn off the motor if it draws too much current.

Conclusion

The MDDHT3420E motor driver board is a popular and widely-used motor driver board due to its various features and its compatibility with various types of motors. The board is suitable for applications that require reversible loads, such as robotics, CNC machines, or materials handling. The board is also capable of handling high voltages, providing high-current gate drive signals with low switch-on resistances. The board also supports PWM input and includes an over-current protection feature to safeguard against excessive current draw.