All Questions
5
questions
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2
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174
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I would like to drop a variable DC voltage from input 30Vdc to 200Vdc to output 5Vdc with a max 200mA
I am new to electronics and would like some help if possible.
The incoming voltage will be variable from 30Vdc to 200Vdc coming from a bank of solar panels. The output is 5vdc at a max of 200mA. I ...
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0
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1
answer
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How can I achieve a 25V - 5V @10A buck circuit, and a 25V - 8V @6.5A buck circuit? [closed]
I'm a computer engineer major in my senior year.
My team and I are making a SmartKart, and I'm responsible for power management and power designing.
Right now, based on several components we will be ...
- 1
6
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4
answers
3k
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How to replace a potentiometer with a digital solution in a buck feedback loop?
I have a simple pre-made buck converter that looks something like this:
The output voltage can be easily adjusted, by turning the R2 trimpot, which adjusts the voltage the feedback pin is getting.
...
- 204
0
votes
1
answer
442
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What does the ripple frequency of a buck converter indicate and how does it affect the DC device connected to its output?
What is the desired ripple frequency for buck converters connected to computers, networking device as power supplies?
Can we judge the quality of power supply from ripple frequency? (buck converter ...
- 137
0
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2
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651
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Create a time-variable DC power source
For some reason, I need a time-variable DC power source that changes its value according to time. I need this change of value to be controllable.
I'll put it this way:
Say I have a 12 V DC power ...
