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  1. R

    Tl494+IR2110

    Hello every 1 in the Endless phere world. I recently built this motor speed controller based on TI's TL494 and IR2110 it works beautifully but i have not tested it under any load. I have the ir2110 configured as a dual low side driver which i took from Tahmids blog spot. Im not an engineer of...
  2. R

    555 timer

    Hello ES. I will try to keep this post short so here goes. Is it possible to use the pwm out of the 555 timer and go into a mosfet gate driver. Ive been searching for an anwser on the internet with no luck. Im try to build my first dc motor speed controller possibly for high current and less...
  3. R

    Bootstrap capacitor

    Hello ES. I currently have in my possession. DGD 2181 high side low side gate driver by Diodes Inc. In the data there are no equation for calculating the bootstrap capacitor and surrounding safety componets for fets and the driver itself. Some data sheets contain this information and some dont...
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    Simple motor controller

    Hello all, is it possible in this simple 555 circuit to supply the motor with a higher voltage with espect to the 12v that the 555 requires. From all my reading i have not seen it done
  5. R

    Esc current sensing

    Hello all. Is it possible with shunts and op amps to sense over 100a for bldc motor controller design.
  6. R

    N channel mosfet gate charge.

    Hello everyone, what would be considered a low gate charge value on a power mosfer. Ex: 500nC, 600nC etc. Thanks.
  7. R

    Atmega328p 8 bit MCU

    Hello all at Endless Sphere. I have been brain storming for the pass few years on the idea of building my own speed controllers based on the atmega328p. My application voltage will be in the range of 60-75v dc and around 200- 300a continous. I found a few LDOs and DC to DC converters that will...
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