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8 questions with no upvoted or accepted answers
1 vote
0 answers
125 views

Inductor saturation current

I'm trying to determine an inductor's saturation current, I use a PWM with a gate driver (TLP250) and a 0.4Ω sense resistor at the source which I probe across to capture the current waveform. I ...
Emad's user avatar
  • 41
1 vote
0 answers
263 views

Can an air core inductor cause a buck converter to malfunction because of EMI?

I am trying to build a buck converter circuit using the LM2596T. While reading its datasheet, it came to my attention that EMI is a potential problem one should not ignore while designing a buck ...
A.H.Z's user avatar
  • 633
1 vote
0 answers
159 views

Why output current shoots up by 10x

Here is my hand cranked generator for charging a high voltage capacitor. How the system is designed to work is shown in the following image: It is designed to charge the 10 mF capacitor to upto 50 V ...
om sai's user avatar
  • 101
0 votes
0 answers
29 views

Using a coupled inductor in a multi phase buck converter - how to set the inductor dot notation and converter PWM for best ripple reduction

Based on these Charles Sullivan papers, we can use a coupled inductor in a multi phase converter to reduce inductor ripple current. https://www.princeton.edu/~minjie/files/sullivan-CICC-2021.pdf http:/...
Windquest's user avatar
0 votes
1 answer
97 views

Should I limit inrush current of this MOSFET buck regulator?

I am building a digitally controlled constant current switching power supply. This circuit will deliver no more than 105 Watts at around 20V from an AC-DC DIN rail SMPS of 250W. You can see and ...
uSD_cardlord's user avatar
0 votes
1 answer
87 views

Sign conventions of inductors in circuit analysis

Here's what I know about inductors: As per Lenz's law, inductors sort of maintain the direction of current passing through an inductor. So whenever there is an interruption on the source from which ...
QUEEN SLEAZE's user avatar
0 votes
0 answers
141 views

Disadvantages of routing inductor in Buck Converter on opposite layer?

I am routing a TPS562202S buck regulator, using a 4.7 uH inductor. Due to space and assembly constraints, I cannot place the inductor on the same layer as the regulator. The regulator will be on the ...
Dan Alvarez's user avatar
0 votes
0 answers
184 views

Glitches in inductor current waveform

I am using this DC-DC buck converter. Schematics : Buck converter specifications : Input voltage - 18V to 32V Switching frequency - 300kHz Output voltage 9V Load current - 0mA to 200mA maximum. ...
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