All Questions
9
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What extra components are necessary to bypass a boost converter when the input voltage exceeds its regulated output voltage?
I've made a USB-C power supply that's powered by a wind turbine. It contains a boost converter and a separate buck converter.
I'm aware that there are several buck/boost USB-C power supplies out there,...
- 139
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Using 2 LiPo Batteries via 2 Buck Converters for External Notebook Power Supply - will it work?
I have an old ThinkPad X220T notebook of which the internal battery is broken (and removed).
To get my notebook working on the go again I want to build an external portable power supply with 2 LiPo ...
0
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0
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How to design a filter for multiple buck converters
I am designing an electronic circuit with multiple buck converters on it. All bucks are supplied by a 12V DC input voltage from a converter which is on an other card. I want that my converters don't ...
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2
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1k
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High Voltage PWM
I really hope someone can help me with this difficult issue:
I want to generate a PWM signal from a 170V DC input.
ok, so far I have an arduino that can generate a PWM signal and drive a MOSFET that ...
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-1
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1
answer
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Understanding Buck Converters [closed]
I need a little help designing a buck converter. Basically I want to generate a 5V output that will stay the same regardless of load resistance and that will exist when the input varies between 12 and ...
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1
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320
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Question regarding chinese voltmeter ammeter module
I am new to this forum. I am a Diploma in Electronics from India and a passionate DIY hobbyist too.
I have a question regarding cheap 10 amp ammeter and a voltmeter module I bought off aliexpress.
I ...
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1
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263
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Buck converter question
I am trying to design a step-down power supply. I was searching and browsing from Texas Instruments products and found one that might be the best for my use. I want to step down from 24V to 5V, output ...
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1
vote
2
answers
112
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Supercapacitor Voltage Draw
If I am charging a super capacitor with buck converter, that is a 1 amp, 1-18 volt output, and the capacitor is rated for 2.5 volts, how do I stop the buck converter from feeding it more than 2.5 ...
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1
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Need circuit for 12 volt 2 Amp step down power supply from 18 volt 1.5 Amp Input
I have a power supply which outputs 18v 1.5 amp. For the purpose of my project, I need a 12v 2 amp power supply. I was wondering, if I can make a simple buck converter to convert 18v 1.5amp DC to 12v ...
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