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What is floating ground ??

Md Yusuf , 08-10-2021, 07:04 AM
What is the difference between floating ground and normal ground
robertferanec , 08-11-2021, 04:31 AM
I am not exactly sure what is the situation you have in mind, but maybe floating GND is not connected anywhere else?
Md Yusuf , 08-11-2021, 04:44 AM
Basically I have a circuit called DRF1400 in which there are two grounds one is floating ground and other is common is common ground and they are at different potential so in that I have a confusion that where the floating ground will be connected also in that circuit I am not able spot many connection points in the circuit if someone can clarify this that would be very helpful please find the pdf attachment of circuit.
qdrives , 08-12-2021, 04:49 PM
The high side driver needs power. But as the high side does not reference "the ground", it needs a floating one. You can use a DC-DC converter for this.
I think that this video explains it good enough https://www.youtube.com/watch?v=xaELqAo4kkQ
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