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EE question that was brought upon me today - come in only if you dare!

B

blahblah99

Platinum Member
In a regulated dc-dc converter, given two inductor waveforms with the same peak to peak current, same peak and min current, and same switching frequency, can you tell whether the converter is a buck, boost, or buck-boost, given only the fact that one waveform has a peak current slightly earlier than the other (ie, the duty cycle of waveform 1 is smaller than waveform 2's?

I say no because the inductor current in each of those topologies carry the same waveform signature, and the only thing that matters is how the switches are connected, which dictates the type of converter that it's going to be.

I'd like to hear what some you EE experts have to say (or you wannabe EE majors 🙂)
 
That sounds like Power Engineering to me; from my understanding not many EE's go that route, but there is a lot of demand for it
 
Originally posted by: fbrdphreak
That sounds like Power Engineering to me; from my understanding not many EE's go that route, but there is a lot of demand for it
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Yeah, I haven't touched anything power related since freshman year with those dang tri-phase voltage sources what nots.
 
basically, we are all going to be replaced by Indians or robots soon😀


[nothing bad intended by that..in fact, indians in my classes work very hard]
 
Holy crap. EE grad too with no idea what you're talking about.

Then again I specialised in wireless and space engineering, and I've not seen a mathematical symbol at work ever since I graduated in 00.

Sigh. I miss engineering.
 
Originally posted by: dopcombo
Holy crap. EE grad too with no idea what you're talking about.

Then again I specialised in wireless and space engineering, and I've not seen a mathematical symbol at work ever since I graduated in 00.

Sigh. I miss engineering.
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what on earth do you do that you haven't seen math?? where do i sign up?
 
It's been about a year since I heard about buck toplogy but I think my teammates were using it for a voltage boost / more like a switch. I would go with no but would have to ask my roomate or teamates for clarification. 🙂 Sorry not much help they were working on a making a daughter board for a dsp board while I was working on a robot arm.
 
I'm an EE graduating in the summer but I can't help you. I've heard of buck-boost before, but I forget what exactly it is. My specialization is machine intelligence, so we wouldn't mess with that stuff
 
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