+5V (Logic) +6V (Motor Power) | | +----[0.1µF]------+----[470µF]----+ VCC (Pin1) | | MCU_PWM1 -----[1kΩ]----- IN1 (Pin2) | MCU_PWM2 -----[1kΩ]----- IN2 (Pin3) | | [Motor A] | + - | | | | OUT1 OUT2 | (Pin8) (Pin5) | | MCU_PWM3 -----[1kΩ]----- IN3 (Pin6) | MCU_PWM4 -----[1kΩ]----- IN4 (Pin7) | | | | [Motor B] | + - | | GND (Pin4)------------+--- GND
The Mx1616 motor driver datasheet highlights the following features and specifications: Mx1616 Motor Driver Datasheet
Includes built-in thermal shutdown with hysteresis to prevent damage from overheating. Pin Configuration and Logic +5V (Logic) +6V (Motor Power) | | +----[0
The exposed pad (ESOP-8) must be connected to GND for thermal dissipation. Mx1616 Motor Driver Datasheet
The Mx1616 is pin-compatible with the A4988, so it works directly with any GRBL-based CNC shield.