Using Pololu item #: 2961 (MAX14870 Single Brushed DC Motor Driver Carrier)
Running into an issue where the motor driver appears to limit the current after 4 or 5 seconds of driving a linear actuator. I have the PWM set at 200 Hz and have confirmed the input on a scope. Also scoped out the output to the motor and it also has this waveform in voltage (28 Volts). However, the driving speed starts out correctly and then the more it is driven the slower it goes. I can see the current from my power supply starting out at 700 mA…but then drops down to 35 mA after a few seconds and actuator barely moves. Have not cut the trace to go into automatic current limiting.