DER-865 Using Live as Ground (reference).
Posted by: gid204
on
Hi, I was wondering why you used the source of the back to back MOSFETs as ground, was there any specific reason for this? I am wondering if this could be replaced by using live input as ground?
See attached photo for edited schematic, refer to red arrows for changes.
Thanks!
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Hi,
We used the source as reference to be able to provide the required VGS to turn ON the FETs. I don't see how the circuit would work by using the live input as ground and floating the Source pins.
Thanks.