All Questions
13
questions with no upvoted or accepted answers
1
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answers
45
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Noisy signal output from BD2320 MOSFET driver
I need help or technical solutions relating to this issue I encountered with BD2320.
I intend to use two BD2320 drivers for an interleaved buck converter. One of the channels works well, but after ...
- 11
1
vote
0
answers
51
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How does the COMP/EN pin of the MAX1967/MAX1966 work?
I know this question may seem simple to more experienced people but I struggle to understand how the COMP/EN pin works on this particular IC.
I want to use it for a buck converter that has external ...
1
vote
0
answers
125
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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 ...
- 41
1
vote
0
answers
101
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How to select external components for a buck converter?
I design a simple circuit activates fan when processor heats up and then control rotation speed. The fan has a brushless motor with an internal motor controller. So I got the idea to create a buck-...
- 21
1
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0
answers
74
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Modelling DC/DC-Converter
i want to model a cascaded Buck/Boost-Converter with FAST like mentioned here: https://cbasso.pagesperso-orange.fr/Downloads/PPTs/Chris%20Basso%20APEC%20seminar%202013.pdf.
The goal is to implement a ...
- 165
1
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0
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1k
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Peltier Circuit Components
New to electrical in general, so be gentle...
Looking to drive a TEC1-12706 as a cooler/heater, using 24V, 500 Hz PWM as input. To avoid thermal cycling caused by PWM, incorporating LC filter.
In ...
- 21
1
vote
0
answers
630
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Designing Buck Converter with Adjustable Output Current and Output Voltage
I am currently attempting to design a buck converter where both the output current and output voltage can be simultaneously adjusted. I will be utilizing an Arduino for control. I figured some sort of ...
user91736
0
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0
answers
29
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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:/...
0
votes
1
answer
209
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What is the relation between the control voltage and resulting pwm in a voltage-mode control system for DC-DC converters?
I'm currently learning about negative feedback and voltage mode control for various DC-DC converters. I'm very confused about how the control voltage changes the pwm signal, along with how the ...
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0
votes
1
answer
77
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Voltage Mode Buck Converter Output Voltage
I am trying to design a simple buck converter. But it doesn't work as expected. Output voltage should be 19V but it is very close to input with value 48.5V. Also there is a problem with pwm generator.
...
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0
votes
0
answers
137
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Buck Converter MOSFET Output Voltage distorted (PWM)
The input to my buck converter MOSFET switch is a PWM signal with a certain duty cycle. However, upon observing the voltage waveform of the MOSFET, the voltage is a bit distorted.
The input to ...
- 13
0
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0
answers
130
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How to get uni polar sinusoidal wave from buck converter?
I am trying to build a pure sine wave inverter by using a buck converter cascaded with a square inverter. My hope is that I can vary the duty cycle in such a fashion so as to reach a fully rectified ...
- 39
-1
votes
1
answer
108
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Battery Type Buck Converter With Bootstrap MOSFET Driver
I have a device that used 2x 1.2 V NiMH batteries that I want to change to use a Li-Ion cell. I want to map the 3.3 - 4.2 V voltage range of the Li-Ion to the 2.0 - 2.4 V of the NiMH using PWM.
I use ...
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