All Questions
Tagged with dc-dc-converter inductor
85
questions
0
votes
1
answer
49
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Parallel resistor across inductor practical model - switching converter [closed]
While designing switching converter, I have included the inductor practical model as shown in the image. Since Rvar2 is small value and in the order of milli-ohm. I see it is impacting my circuit ...
0
votes
2
answers
92
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DC-DC regulator power inductor alternatives
I am using Texas Instruments Webench power designer to create Dc-DC regulator circuit. Input should be 5-12 V and output should be 5 V 3 A. I am trying to look for cheapest design. Most of generated ...
- 433
2
votes
1
answer
56
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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 ...
2
votes
3
answers
134
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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 ...
- 378
0
votes
1
answer
151
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Generating high current at low voltage from DC voltage supply
Main Question:
What role do inductors play in allowing an 8 volt, 2amp max power supply, to power a 2.7volt 6.5amp resistive load?
Details:
Out of boredom / convenience I converted an old e-cigarette ...
- 119
0
votes
1
answer
129
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Making DC-DC boost converter 3.7 to 8 V using MC34063
I am trying to make dc dc boost converter 3.9 to 8 V using:
mc34063
https://pdf1.alldatasheet.com/datasheet-pdf/view/12072/ONSEMI/MC34063.html
100 uF 16 V capacitor
220 uF 25 V capacitor
680 pF ...
- 465
0
votes
2
answers
471
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Find inductor for XL6019 circuit boost converter
I need a way on my PCB to step up 5V to 12V (with currents up to 2A). I've been looking at the XL6019 IC and tried to copy the design from the sample circuit of the datasheet:
I'm currently stuck at ...
- 91
0
votes
3
answers
64
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Current and voltage value before inductor pin in buck converter
In buck converter we know that pure DC current will be after inductor pin. But what will be the current/voltage value before it.
Let’s take an example, the buck converter circuit with 12 V input to 3....
- 543
0
votes
0
answers
78
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Steady-state analysis of a multiple-input DC-DC converter
I am trying to perform a steady-state analysis of the dual input configuration of the multi-input converter, taken from this paper and shown below:
The authors state: "The proposed multi-input ...
- 1
2
votes
0
answers
107
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DC-DC flyback transformer (SMT)
I am building a flyback DC-DC converter for a school project and am new to soldering and power electronics. I want to prototype the design on a breadboard first, now that I have the design equations ...
- 21
1
vote
2
answers
190
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Selecting capacitor and inductor for adjustable buck converter
I'm trying to understand how to choose the right inductor for a buck converter that can produce different output voltages.
When using an LM2596 I can add a potentiometer into feedback loop to produce ...
2
votes
3
answers
481
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Does the output voltage of a boost converter without load approach infinity?
where R is an open contact
If I understand it correctly for a given square waveform the energy stored in L is constant for every charge cycle(part of the cycle when S is closed). When S is opened L ...
- 21
0
votes
1
answer
192
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DC-DC boost converter theory / principle / testing
I am trying to setup a DC-DC boost converter circuit that can convert 50-60 V DC to 86.4 V at the most current I can achieve a reasonable efficiency of say 90%. Mostly for the learning curve but my ...
- 339
3
votes
2
answers
610
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Sizing the DC/DC inductor for only momentary high currents
My DC/DC setup is going to power a GSM modem. The behavior of these modems is that they typically consume only a few tens of milliamps, but when transmitting they are drawing 2A for microseconds. On ...
- 215
0
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0
answers
199
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The switch pin of boost converter seems to pull down the input voltage
I'm designing a circuit to convert the 3.7-4V Li-ion battery output to a steady 5V DC power supply. The boost-converter I chose is a synchronous boost converter SGM6611C with a fixed switching ...
- 51