Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

  • Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. dalhug

    12v DC Motor Stalling

    I've attempted scoping the motor and taking current measurements. The signal looks clean for a while then start seeing noise spikes. On a stalled motor I'll see 2 volt spikes with a steady state at 0v. The frequency is at 63khz which is the frequency of my pwm. I'm thinking that this is the...
  2. dalhug

    12v DC Motor Stalling

    Hi, I have a copal 12v dc motor that is driven by an allegro A3968slb IC. My load supply is 7.5 volts. My problem is occassional(1 out of 200) I will find a motor that will spin up initial and slow down then stall. My PWM on the IC is set to about 63Khz. It almost looks like the IC is...

Part and Inventory Search

Back
Top