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  • Users: leonar40
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  1. leonar40

    Current limiting using MOSFET

    Hello. I am designing a circuit to perform a discharge test on a battery. The load profile consists of several discrete resistance values that I will switch in and out of the load path at set times using an analog output controller and some power MOSFETs. The load bank design is almost...
  2. leonar40

    Small High Torque Motor

    I am looking for a small high torque motor. I have looked places like Maxon, Arsape, Engel, etc, but haven't found anything that could work yet. Here are the specs that I am looking for. Needs to provide 25oz-in torque at 1800rpm. Gearing the motor is fine (ie, a motor that provided 5oz-in...
  3. leonar40

    Getting more current, sacraficing voltage

    I have a system that runs on 28V and can provide 1A. I would like to run a motor using this power. However, the motor runs on 5V and between 3 and 4 A to get the torque that I need. It seems like I should be able to sacrafice some voltage and increase my available current, but I don't have...
  4. leonar40

    AC Motor Ramping Startup

    I am using an AC motor in my project. I would like the motor to ramp from stop to full speed (1700rpm) over several seconds when you turn it on. Currently it goes from stop to full speed as soon as you turn the power on. Is there a simple circuit or other way to ramp the speed of an AC motor...

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