Cytron DC Motor Driver

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1

Hello together
I use a Cytron Single 10- 45V, 40A Brushed DC Motor Controller to drive a vehicle. The motor is connected to a LiPo battery without balancer. So that the battery is not charged uncontrollably, diodes are connected, which allow only a discharge in operation. To ensure that the energy can be destroyed when braking the vehicle, a high-power resistor and a relay is connected between the terminals of the DC brushed motor, which switches through as soon as braking is required. Nevertheless, there is a voltage between the contacts at the control. Does that matter to the controller?

Thank you for your help!

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4

Hi @davoser22 and welcome to our forum.

You have an interesting project.

Can you tell us on which contacts exactly you are getting voltage and how high is this voltage?

Generally, during motor deceleration, the regenerative current will be absorbed by the battery or dissipated by the shunt regulator via its onboard high power resistors. Please make sure the voltage rating for the shunt regulator is slightly higher than the power supply voltage. The shunt regulator will be smoked instantaneously if the power supply voltage is more than the shunt regulator voltage rating.