TI Team,
I'm using the UCC39002 in a system that houses multiple PCBs. That is, one PCB contains one power module, but I have up to 4 modules on 4 different PCBs. These are all tied together with large braided wire. Each PCB has one UCC39002.
I'm seeing upwards of 2V on the GND pin. I'd like to eliminate this voltage difference. I suspect what's happening is that my system has large grounds loops that are causing the large voltage potential even though the grounds are tired together using one single wire.
My first question. How should i connect a multiple PCB system like mine to ensure proper operation of the load sharing circuit, UCC39002?
-David