Hi,
I have this electric car project i am working on, and now i have one problem with running my mosfet driver board. There is an arduino running the whole game and it's supply is a standalone 12v battery, and the driver board and the motor itself is being supplied by a 6x12V battery pack.
Now my question is, how can i get 12V at about 1A from that 72V battery pack.
Resistor - zener is obviously not right here cause there would be like 100w dissipation on the resistor and well bad things happen.
Connecting the other battery is out of the question because these supplies need to be galvanically isolated otherwise my arduino goes haywire and again, bad things happen.
I cant stick a 7812 directly in there cause of 72V, and bad things happen.
I tried looking into switching ICs however they require 12V to operate in the first place so errr...
Can anybody point me in the right direction here?
Thanks
I have this electric car project i am working on, and now i have one problem with running my mosfet driver board. There is an arduino running the whole game and it's supply is a standalone 12v battery, and the driver board and the motor itself is being supplied by a 6x12V battery pack.
Now my question is, how can i get 12V at about 1A from that 72V battery pack.
Resistor - zener is obviously not right here cause there would be like 100w dissipation on the resistor and well bad things happen.
Connecting the other battery is out of the question because these supplies need to be galvanically isolated otherwise my arduino goes haywire and again, bad things happen.
I cant stick a 7812 directly in there cause of 72V, and bad things happen.
I tried looking into switching ICs however they require 12V to operate in the first place so errr...
Can anybody point me in the right direction here?
Thanks