Questions tagged [boost-converter]
The boost-converter tag has no summary.
1,315 questions
1 vote
1 answer
105 views
Creating a boost circuit, 24 to 200 V for a solenoid
I am building a boost circuit which should boost from 24 V to 200 V to fire a solenoid to kick a ball. I have found the parts and put together the schematic and want to know of this would work and if ...
1 vote
2 answers
91 views
Seeking advice on first SMPS design [closed]
In my projects I sometimes need a power supply with odd voltage and/or power capacity. Often times when I find an on-shelf unit meeting my voltage requirement, it is overpowered for my application and ...
- 363
1 vote
1 answer
32 views
SDM6601 boost converter calculation anomalies
I want to build a boost converter circuit for a OLED display using the SGM6601 step-up converter. My input voltage is 3.3V, the display requires 12.5V at 35.6mA (typ), 44.5mA (max). Looking at the ...
0 votes
1 answer
81 views
How can I increase the current being supplied to a model railroad locomotive? [closed]
The model railroad locomotive runs off a 22.2 volt Li-ion battery controlled by a wireless Digital Command Control (DCC) controller. The controller outputs 22.2 V PWM to vary the speed of the DC ...
- 19
0 votes
4 answers
205 views
Is operating a boost converter with no load dangerous?
If we have a 1 volt input of boost converter and it is operated in no load condition with a 10uF 50V rated capacitor at its output, is it dangerous to touch the output leads? I am making a boost ...
- 539
0 votes
2 answers
153 views
Spark danger in boost converter
I created a boost converter as given here: Boost converter transistor voltage weird behavior I do not know what happened but as I connected a smaller capacitor about 22 pF at the output in parallel ...
- 539
0 votes
2 answers
133 views
Medium-High Voltage Boost Converter Design
Let me begin by saying I am NOT an electrical engineer by trade, nor by education. Everything I'm doing is self taught, so if I make a stupid assumption, that's why. Please point it out. I am trying ...
- 115
0 votes
1 answer
122 views
Geiger counter problem, 9V-300V 25 kHz
I'm trying to make a Geiger counter for a project for my lab, and I decided to use the schematic from this website: https://ocw.mit.edu/courses/22-s902-do-it-yourself-diy-geiger-counters-january-iap-...
2 votes
2 answers
326 views
Boost converter transistor voltage weird behavior
When designing a boost converter where the BJT is powered by a square wave from a relaxation oscillator (using TL071CP), I get a weird voltage signal when measuring Vce of the BJT MPS2222A. It appears ...
- 539
4 votes
3 answers
577 views
Boost converter voltage danger
If we have a boost converter that increases a 1.5 Volt battery voltage to 100 Volts at the output and the battery is let us say theoretically capable of continuously providing 1A of current, would ...
- 539
0 votes
1 answer
169 views
Confusion regarding LT3748 controller operation
Link to datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/lt3748.pdf Page 8 of the datasheet explains how the control works and what I understand is (and observe from ...
0 votes
1 answer
126 views
How does this battery-powered CFL flashlight work?
I have a pocket light that contains a CFL bulb and is powered by 3Vdc (two AA batteries in series). I have written down the schematic, but I am not sure whether the transformer windings are correct, ...
- 311
1 vote
1 answer
87 views
TPS43060 Boost Converter External Constant Current Loop Problem
I'm working on a boost converter design and am now on the third revision. The TPS43060 works fine in constant voltage mode. I added a constant current loop using the INA180A2 as a high-side current ...
0 votes
2 answers
146 views
Boost Converter Output Stuck
I have the above boost converter but cannot seem to get it boost above the 4.2V input. What could I be doing wrong? I think I need to incorporate a feedback loop but am unsure how to do that in ...
5 votes
1 answer
432 views
Understanding Simple Transistor-Based Boost Converters
When browsing the web, it’s quite easy to find tons of these 2, or 3 transistor discrete boost converter circuits. Examples: https://theorycircuit.com/analog/voltage-booster-circuit-using-transistor/...
- 165