By A Mystery Man Writer
The Raspberry Pi B+ models have a protection circuit between the USB connector and the 5V net on the board. They recommend putting a similar protection circuity on a Pi HAT before 'backpowering' t
Simple reverse polarity protection?
Understanding an 'ideal' diode made from a p-channel MOSFET and
Simple & Inexpensive Ideal-Diode MOSFET Circuits
A simple and inexpensive ideal-diode MOSFET circuit
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back to back MOSFET's as a switch
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Simple reverse polarity protection?
What is a practical example of a current-source circuit based on a PNP transistor? Please discard current-sink examples. - Quora