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Questions tagged [buck-converter]

A switching converter that steps down an input voltage with the usage of internal or external switching circuitry. Has high efficiency when compared to linear regulators.

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Looking for better documentation on LT8316 as non-isolated buck regulator [closed]

The moderator shut this down for lack of focus. Try again: focused question: Can anybody provide design documentation on the LT8316 as a buck controller? (original question remains below as ...
user370818's user avatar
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Low Solar Panel Voltage Vmp Operation

so I'm currently working on an MPPT project using Asynchronous Buck Converter with the design : Capacitor Input : 470uF/100V Capacitor Output : 1000uF/100V Inductor : 65uH fsw : 39khz current : 30A ...
tabun's user avatar
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1 vote
1 answer
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Why is this example of calculating the switching loss of a MOS transistor with an inductive load considered misleading?

I just saw an example of calculating the switching loss of a MOS transistor with an inductive load from this (page 20). Can anyone explain why they said this is ...
internet's user avatar
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"Synchronous Buck Converter " [closed]

I want to implement Synchronous buck converter (open loop). For that I need a gate driver IC capable of handling 200kHz switching frequency. Is there any readymade IC available for that or should I ...
RAHUL R's user avatar
3 votes
2 answers
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Dirty VS clean ground: How to tie grounds?

I am trying to understand when grounds can be connected together and when they should not be. So far, I have learned the following: Clean grounds should be connected together, as should dirty grounds....
chami's user avatar
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3 votes
1 answer
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Voltage drop issues in LTspice simulation for buck converter using SW model

I have a LTspice design issue where I encounter the same problem, even when I use other available simulations. Whenever I increase the load, there is a significant drop in voltage, despite having ...
chami's user avatar
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Possible noise from tps63020(buck converter) that is affecting audio MAX98357

I'm pretty new to the engineering but I hope this will be an easy question for those who have done much job in this area. So I'm making my own pcb that consists mainly of esp32-s3, 2x tps63020 (3.3 ...
Aleksei .C's user avatar
1 vote
1 answer
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PI filter for two buck drivers for a low-emi solution

I'd like to save space on a circuit that uses two buck LED drivers. The circuit is designed for a low EMI solution and there are two separate PI filters on each Vin pin (recommanded on the datasheet). ...
msch's user avatar
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2 answers
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How to calculate pull up resistor for Power Good Pin?

I am learning to design buck converter. And using LM70880-Q1 buck. There is power good pin is available. I want to make use of this pin. It is a open collector output that goes low if the Vout is ...
Virtualworld 's user avatar
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2 answers
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Isolating Power Fluctuations and Buck Converters

I am building a robotics control module which, of multiple parts, controls servos. When enough servos move, a large power drop causes the microcontroller to reset. This usually happens with 3/4 servos,...
Raine's user avatar
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5 votes
3 answers
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What is the advantage of using polygonal copper pours over straight traces in buck converter PCB design?

Looking through recommended PCB designs for buck converters, I have noticed that their 'traces' are not usually direct lines, but rather polygons connecting each component. What is the advantage of ...
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