Search found 3 matches

by James Bryant
Fri Oct 30, 2015 12:20 pm
Forum: Motor drivers
Topic: TB65603A Single Axis Stepper Motor Driver Board (HCMODU0022)
Replies: 48
Views: 145713

Re: TB65603A Single Axis Stepper Motor Driver Board (HCMODU0

Thank you for the further inputs. You say I'd advise against this anyway, you'd risk blowing the regulator which would put 15V onto the 5V rail. I really doubt that a few hundred μA load on this regulator is very likely to damage it (sure, there are going to be 10 mA pulses but the mean current is ...
by James Bryant
Thu Oct 29, 2015 2:40 pm
Forum: Motor drivers
Topic: TB65603A Single Axis Stepper Motor Driver Board (HCMODU0022)
Replies: 48
Views: 145713

Re: TB65603A Single Axis Stepper Motor Driver Board (HCMODU0

Thank you very much for this prompt response. [1] Running current is indeed 2.1 A so I've set 2 A - if I don't get quite enough torque I may go to 2.4A since my duty cycle will only be about 30 seconds ON / 12 hours OFF and I doubt that will overheat anything. [2] If there is a minimum pulse width I...
by James Bryant
Wed Oct 28, 2015 2:47 pm
Forum: Motor drivers
Topic: TB65603A Single Axis Stepper Motor Driver Board (HCMODU0022)
Replies: 48
Views: 145713

Re: TB65603A Single Axis Stepper Motor Driver Board (HCMODU0

I propose to use this board with a 23mm stepping motor as a small, low speed, high torque, unidirectional winch to wind a long-case grandfather clock. I am unfamiliar with the use of stepping motors and should be grateful for any help and suggestions. When the motor is unpowered the detent torque is...

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