All Questions
9
questions
1
vote
2
answers
97
views
Question on Turn-off Snubber Operation
I'm struggling to understand how this snubber circuit reduces power loss during the off time for this buck converter. Anybody able to explain it's operation / what is happening for each component ...
- 13
0
votes
3
answers
115
views
Validate my 3V3 power system
My Power System, can someone validate it? I'm not familiar with using the TPS63060.
Datasheet can be found at: https://www.ti.com/product/TPS63060
I'm trying to power a ATMega328p-AU + 4 digit 7-...
0
votes
0
answers
58
views
Using 2 LiPo Batteries via 2 Buck Converters for External Notebook Power Supply - will it work?
I have an old ThinkPad X220T notebook of which the internal battery is broken (and removed).
To get my notebook working on the go again I want to build an external portable power supply with 2 LiPo ...
2
votes
1
answer
238
views
Critical inductance for buck converter
I have this problem: -
The critical current must be \$P_{out} = V_{out}I_{crit} \Rightarrow I_{crit}=\dfrac{45\text{W}}{16\text{V}} = 2.8125 \text{A} \$
Using eq. 3.43 from Ned Mohan's book we have
$$...
- 4,145
-1
votes
1
answer
104
views
Understanding Buck Converters [closed]
I need a little help designing a buck converter. Basically I want to generate a 5V output that will stay the same regardless of load resistance and that will exist when the input varies between 12 and ...
- 1
0
votes
1
answer
129
views
Wide Range Input DC DC Buck Convetrer Design
Im having trouble understanding how i can achieve a constant output voltage with a varied input voltage. I know how to design a buck converter with a constant output when the input voltage is fixed ...
- 89
2
votes
0
answers
329
views
Inconsistent Output Voltage in DC-DC Buck Converter
I'm trying to implement the following tps54302 DC-DC buck converter, for a 5V 3A output:
All resistor values 1% tolerance, capacitors 5% tolerance, inductor 20% tolerance.
I'm testing with a bench ...
- 21
4
votes
2
answers
167
views
Buck, Boost..etc Is there always an IC for that?
First of all I am still in school so perhaps I have not been exposed to material that may answer this question for me.
I have recently become interested in power electronics. I have purchased a book ...
- 891
0
votes
1
answer
2k
views
Do I need to protect buck converter when switching to alternate power source?
Noob question here; please pardon my ignorance. I am trying to power some 12v devices, (e.g. Peltier cooling device and fan ~4A), optionally from one of two power sources:
12v DC In
DROK Waterproof ...
- 3