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  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...

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