All Questions
Tagged with supercapacitor dc-dc-converter
14
questions
1
vote
3
answers
356
views
Help with power buffer using capacitors
Looking for some help on how I might be able to add a power buffer of around 1 hour to an IC using super-capacitors, and be able to recharge it within 5~15 minutes after a power disconnect.
Looked ...
- 13
0
votes
0
answers
62
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Is LT8705 a suitable and easy hands on DC/DC converter for controlling charging and discharging supercapacitor in HESS?
Currently working on a hybridise my agv which is powered by a 11.1V, 3000mAh LiPo to drives two 12V DC motors. My idea is making a semi-active HESS where only a DC/DC converter is used and connected ...
- 31
1
vote
2
answers
115
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Automatic buck-boost DC-DC 1-15 V to 5 V, 5 A
I've a big 3000 F 6 x supercapacitors bank to work as an aux USB power hub. It gives power while linearly losing voltage to 5 V, then it stops working, because I'm using a 5-15 V to 5 V DC/DC ...
- 135
2
votes
2
answers
826
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Using supercapacitors on DC-DC converter output for high in-rush current
I have a motor that draws a max continuous current of 60A, but has a peak in-rush draw over 120A for a few milliseconds. I want to power the motor using a DC-DC converter.
I purchased a converter that ...
- 41
0
votes
3
answers
2k
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Can we use a capacitor with battery to fast charge it?
Consider this. Many capacitors connected in parallel to an input line, those capacitors are in series connected to battery. Whenever we need to charge, we plug in adapter that charges the capacitors. ...
1
vote
0
answers
112
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space constrained, cost constrained; super capacitor UPS decision paralysis
I am currently in the process of evaluation of options regarding Super capacitor UPS designs.
The requirements are simple, find the most effective solution to keep alive 5V supply line for ~20 ...
- 171
0
votes
3
answers
1k
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Capacitor Bank Design for Electric Vehicle
Good day all, I'm toying with the idea of using a small supercapacitor bank to buffer short bursts for acceleration/regen of an electric vehicle (likely an e-bike).
It seems wasteful to put a ...
- 783
2
votes
1
answer
407
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NCP3420 failing in buck converter
I designed a constant current buck DC-DC super-cap charger with the NCP3420 as a dual MOSFET driver. The current is hysteresis controlled and the disable and PWM lines are pulled low on power-up.
The ...
- 124
0
votes
2
answers
2k
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Using Supercapacitors with Motors - DC/DC converter?
We are an inter-university team working on a pod project. So far, team members have decided to concentrate on four DC motors for acceleration. Each of these motors requires 400A at startup before the ...
0
votes
2
answers
448
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Noise on PWM before connecting to buck circuit
I have built a buck converter in the circuit configuration below in order to charge a supercapacitor. The PWM signal is being applied with an arduino and is in the place of the signal generator in the ...
- 21
1
vote
0
answers
649
views
Analysis of a Bi-directional DC-DC converter
I'm building a bi-directional DC-DC converter that will be used to charge and discharge a supercapacitor stack. The design we came up with uses a 4-quadrant chopper, to allow buck-boost both ways. I'...
-1
votes
2
answers
516
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Can we use super-capacitor/s as a Vin input of the voltage regulator instead of DC power supply? [closed]
I do not want to use a battery in my circuit. My circuit would contain some charged super-capacitors and voltage regulators.
- 59
8
votes
2
answers
2k
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Supercapacitor bank charging process breaks down dc/dc converter
I'm an undergraduate student and I'm member of university's team, which deals with the development of an electric vehicle. One of our projects, is the implementation of a complete regenerative braking ...
- 83
0
votes
3
answers
2k
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Solar cell powered supercapacitor charger with strange output voltage regulator problem
I have a strange problem in a low power circuit design. I designed a buck-boost converter as a maximum power point tracking circuit (control the output of solar cell within a small voltage range ...
