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A circuit using four switching elements which allows power to be applied to a load in either direction. Often used for reversible motor control.

49 votes
1 answer
62k views

How can I implement regenerative braking of a DC motor?

I know that many electric cars are able to convert the momentum of the car into stored energy in batteries, rather than convert it to useless heat at the brake pads. How does this work? How can I impl …
Phil Frost's user avatar
  • 57.9k
4 votes
5 answers
7k views

How can I switch a high-side transistor from logic referenced to ground?

Problem: I have a logic signal (represented by SW1), say from a microcontroller, that is either 0V or some low voltage, maybe 5V or 3.3V. I have a higher voltage supply (V1) and a switching device (M1 …
Phil Frost's user avatar
  • 57.9k