Tagged Questions
-4
votes
1answer
69 views
The mosfet driver function in high and low side [closed]
the mosfet gate need high voltage in order to turn on the mosfet as well? What is the different in High and Low side of MOSFET? Why there will having a high and low side ? Is there any affect ?
2
votes
1answer
258 views
What is the function of a MOSFET driver in an H-bridge?
What would happen if I didn't use MOSFET gate a driver, and simply connected the MOSFET gates directly to the logic outputs of a microcontroller? I am quite confused about the need of a MOSFET driver.
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20
votes
5answers
823 views
Why would one drive LEDs with a common emitter?
I've seen tutorials aimed at beginners suggest the way to drive an LED from something without enough current drive is this:
(option A)
but why not this:
(option B)
Option B seems to have some ...
2
votes
1answer
1k views
how choose transistor for driver circuit of stepper motor?
I need to drive a 1A stepper motor coil from a digital output that can source only 5mA. That would require Hfe of 1A / 5mA = 200, but I can't find a transistor with that much gain. Is there any ...
3
votes
1answer
2k views
Totem Pole Output Driver
I was wondering if someone could explain what a totem-pole output driver is?
I have seen the term mentioned in connection to the inner circuitry of an AND gate (consisting of transistors) and in ...
3
votes
1answer
4k views
Motor driver using only a 2N2222 transistor?
Is it possible to build a motor driver using only a 2N2222 transistor?
If yes, then how?