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/diy/ - Do It Yourself

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>> No.1628475 [View]
File: 33 KB, 1083x539, dcdc ground and battery and pcb 2.png [View same] [iqdb] [saucenao] [google]
1628475

>>1628442
>>1628458
good video
The DC-DC converter has a built in short circuit protection, I suppose. good tip though
but ultimately the p-channel mosfet would take care of it too

>>1628461
Let me try again with this slightly altered schematic.
here, the mosfet's gate is connected to ground. If the battery voltages were reversed like in this picture, the battery voltage would short out every component on the board and probably destroy the dc-dc converter aswell
so my question is if it's a good idea to not connect the mosfet gate to the circuit ground

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