4A for a single motor using dual driver

Other Hardware Motors, Mechanics, Power and CNC
1

Hi:

I know the L298N-based dual motor driver is capable of 2A per channel.

Is it possible to drive a single motor wiring both outputs in parallel for a 4A current?

Should I care about any voltage between the outputs?

Thanks,
Robert

2

I know the L298N-based dual motor driver is capable of 2A per channel.

That figure is widely advertised, and even believed by some people, but it is not true. About 1 Ampere is the best you can do without additional cooling.

You need to look up or determine the stall current for your motor, and buy a modern motor driver capable of handling it. Pololu has a great selection, and they support their products.

3

rva1945:
Is it possible to drive a single motor wiring both outputs in parallel for a 4A current?

I have an auto door lock motor driven by one of these with paralleled outputs. There have been no issues so far in testing. I wired each Arduino output to pairs of L298 inputs - both enables together, etc. It can be tricky getting two wires into the motor terminals.

4

rva1945:
Hi:

I know the L298N-based dual motor driver is capable of 2A per channel.

Well yes, the power-tab package version is capable of this, but will drop about 3.5V while
doing so, dissipating 7W per motor, 14W if paralleled. You don't want to run it that
hard.

Perhaps you need a better, MOSFET based, motor driver?

Is it possible to drive a single motor wiring both outputs in parallel for a 4A current?

Should I care about any voltage between the outputs?

Thanks,
Robert

It can be paralleled on the outputs so long as the relevant inputs are paralleled too.