Will this circuit be efficient ? I'm thinking of the input supply to be LIPO 11.1V 2200mAH for output of ~6V and 4A
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I know it's high but not as high as when I used MOSFET. It went up to >50A which was totally absurb.Input current = 19.7A DC???
OK, I have a better idea of what is going on here. There is about 16A flowing to ground via a BZV55-C6.V2 Zener diode.I know it's high but not as high as when I used MOSFET. It went up to >50A which was totally absurb.
This happened when I step down the voltage to 6V. On 12V output, everything's fine (input current to be 4A). Since this is the case, how do i pick 6V out of the 12V output ?
Please do not worry. I have no intention of putting the zener diode there to drop the voltage. I am concern of the safety of the battery and myself fiddling with high current as well.OK, I have a better idea of what is going on here. .....
The bottom line is that you need either to get a better idea of the principles behind circuit design, or to get hold of a reliable ready-made circuit. I am not your man for that, perhaps someone else on the forum could help.
Please do not try to use circuits like the one you have posted in practice. If you do, there is liable to be an accident.
Then just pull a used power supply out of a trashed computer. As long as the PSU is still working, 5A at 5V is exactly what these things were designed for.. But it could run perfectly on 5V/5A spec.
I'm sorry to confuse things around. The motors have operating conditions between 4.5V to 6V. Since before I posted this thread, there was no way to run the motors on the 6V with only 2A. So,my option was only that 5V/5A supply, decided to lower the voltage in order to use higher current. Even running perfectly, I'm only running like 2/3 of my loads. Running at full load will not work even on the 5V/5A. Thus, I like to start from ground and take things slowly. First, powering the 2/3 loads and then find other methods to power the rest of the load.OK, now you're changing things again.
Previously, you were saying 6v, 4a. Now you're saying 5V/5A.
The power requirement is nearly the same (24W for the former vs 25W for the latter), but it's still a change.