Please Read - Trouble with Powering Stepper Motors

Discussion in 'General Electronics Chat' started by Aleksandar Boskovic, Jan 17, 2019.

  1. Aleksandar Boskovic

    Thread Starter New Member

    Jan 17, 2019
    1
    0
    How do I increase the current output of a power supply using a transistor? I am using a 12v .5 amp power supply for 5 stepper motors that call for 2 amps each in parallel. The transistors I have access to are S8050 D 331 and PN2222A 6E.

    Moderators note : reduced font size, large fonts are like shouting.
     
  2. bertus

    Administrator

    Apr 5, 2008
    19,408
    3,925
    Hello,

    You can not increase the output current of a powersupply by just adding transistors.
    You will also need a much bigger transformer.

    Bertus
     
    Reloadron likes this.
  3. MaxHeadRoom

    Expert

    Jul 18, 2013
    17,751
    5,402
    If you use PWM etc for driving the stepper, the DC power supply V will need to be higher than the required plate voltage of the motor, this is in order for the drive to maintain the exact required current throughout the rpm range.
    Max.
     
    shortbus and Reloadron like this.
Loading...