All Questions
Tagged with dc-dc-converter buck
442
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Buck Converter Peak Current Mode Control Average Model
I am trying to understand average model of Buck Converter for Peak Current Mode Control Topology.
Below snapshot taken from Christophe Basso Webpage(https://powersimtof.com/Spice.htm) from file "...
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Current sensing in DC-DC converter
I studied DC-DC converter in peak/valley/average mode control and I have a question about the methodology to sense the current in average current mode control. I saw lot of paper about DCR sensing but ...
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Current flow from Output To Input of my Buck Converter
I just made my buck converter, this is gonna used in MPPT project. I use simple buck converter in this project.
My problem is when I connect battery to output of buck converter, then electricity is ...
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3
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For a high powered LED loads, is a buck or boost converter more efficient / simpler?
I have a 3 high powered LEDs hooked up into a strip to for the load. For simplicity, I am going with a constant voltage driver. The load can be hooked up in 2 configurations:
Config 1:
3 Green LEDs (3....
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Average Modelling of Buck Converter
I am doing Modelling of Buck Converter for LT3890 (Datasheet link attached) for Frequency response analysis .
I have some reference model of Buck converter ,please refer below image
Datasheet Link: ...
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2
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108
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Power Converter Average Modelling
This image is from Christophe Basso presentation. It has been mentioned in the slide that average model can predict the transient response but I have one question when we say average model then it ...
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2
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DC/DC buck regulator regularly emits an audible clicking noise
Relevant TI forum post with no resolution: here.
I am using an AOZ2264NQI-11 chip to convert 24 V down to 12 V. I originally designed this circuit for use with an AOZ2261NQI-12 chip, which has an ...
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Buck converter inductor waveform having high ripple and slow charging and fast discharging [closed]
The following shows the voltage (green) and current waveform (yellow) across an inductor in a buck converter designed to step down 30 V to 15 V with 0.2 A output current.
The inductor values according ...
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Should I put my buck-converters in parallel or series?
I'm supposed to have two voltages coming out of two buck converters. My starting voltage is 12 V while the buck converters are supposed to output 5 V and 3.3 V respectfully.
Should I make the output ...
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105
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Best way to control large buck converter?
I am looking for a faster way to control output voltage for a buck converter.
This buck converter has its own fet driver and I am not willing to change it. I really only need the signal to run the ...
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DC-DC buck converter inductor current
Draw a simple dc to dc buck converter fed with dc voltage of constant magnitude (= E). The
converter supplies a resistive load (=R). Draw the shape of voltage waveform across the
freewheeling diode. ...
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2
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102
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Can a single buck converter be used for converting both 12V and 24V input to a constant 12V output DC to be fed into a 12V DC motor?
My target is to design a low-cost PCB to run a 12V DC motor. I do need to have 2 input sources, a 12VDC and a 24VDC. What is the best way to achieve this using a single board? Can I use a single buck ...
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DC-DC boost Converter for a motor load
To give some context I have a 250 watt DC motor It is powering an electric race car for a school race my class is competing in. The rules say I have to use a specific unmodified motor supplied by 2, ...
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AP63203 Buck not working
Recently I have been experimenting with the AP63203, and I just have not been able to get it to output 3.3V successfully. Currently, the way I have been testing it is using an SMT to TH adapter, which ...
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3
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High voltage buck converter inductor voltage rating
We‘re designing a buck converter that should convert 600VDC down to 20V. For that purpose we use the ST VIPer26k.
We’re currently looking for an inductor (L2). The inductance is 1mH, but we‘re not ...
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