Datasheet

ROBOT.HEAD to TOE
Datasheet - MDD20A


1. BOARD LAYOUT & FUNCTION
Figure 1: MDD20A Board Functions
Table 1: MDD20A Board Functions
∗ Actual motor direction is depending on the motor connection.
Swapping the connection (MxA & MxB) will reverse the direction.
Created by Cytron Technologies Sdn Bhd  – All Rights Reserved 1
Function
Description
Power Input Terminal
Connect to battery.
● VB+ : Positive
● VB- : Negative
Warning : Connecting in reverse polarity will damage the
motor driver instantaneously.
Motor Output Terminal
Connect to motor terminal.
Motor direction is depending on the polarity.
Power LED
Turn on when powered up.
Motor Status LEDs
Turn on when the motor is running.
● MxA : Forward*
● MxB : Backward*
Error LED
Turn on during undervoltage shutdown or hardware fault.
Please contact [e-mail] for more information.
OC (Overcurrent) LED
Turn on when current limiting is in action.
Current limit threshold is depending on the board temperature.
Test Buttons
Press to test the functionality of the motor driver.
Motor will run at full speed.
● MxA : Forward*
● MxB : Backward*
PWM/DIR Input
Control the motor with PWM & DIR signal.
● DIRx : Direction input.
● PWMx : PWM input for motor speed control.
● GND : Signal ground.