All Questions
Tagged with supercapacitor energy-harvesting
10
questions
1
vote
1
answer
119
views
Low power circuit design for powering an e-paper display
This is a follow up to my last question on Low power circuit design for turning an LDO on/off at specific voltage levels, where I wanted to find a low power way to turn an LDO on/off at specific ...
- 77
2
votes
1
answer
207
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Low power circuit design for turning an LDO on/off at specific voltage levels
I am designing a low power circuit that uses the TPS61023DRLR for energy harvesting, charging a 1.5F ...
- 77
3
votes
1
answer
157
views
Using super capacitor with Li-ion battery to power an automated guided vehicle
I have an automated guided vehicle which is powering by a 11.1V, 25C, 6000mAh Li-ion battery. The reason I am attempting to make a hybrid power source to power the automated guided vehicle is to ...
- 31
0
votes
1
answer
300
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Can I charge a 16V 16.6F supercapacitor with an 18V solar panel?
I'm working on my calculus project (I recently started college) and my topic is using solar panels and supercapacitors to help mitigate the lack of energy/electricity in the rural areas in my region. ...
- 3
1
vote
3
answers
775
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Schottky diodes in series to reduce maximum voltage at supercapacitor solar charging circuit
I use the following circuit to store solar energy harvested by photodiodes into a supercapacitor. The cap is rated at maximum 2.8V. The zener diode is rated at 3V, but depending on the harvested solar ...
- 13
0
votes
1
answer
33
views
How to do high switched current from small solar
I am working on a small, solar-powered application that makes use of RF and a few higher-power sensors. Those will only be on for a fraction of the time, but might consume 1A-2A at 3.3V.
The ...
- 1
0
votes
1
answer
181
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Powering a li-ion battery from a TEG
For a project, i would like to power a li-ion battery from a TEG.
For that, i use a step-up converter called LTC3109 developed by linear technology but it was limited in current. I intend to create a ...
- 1
0
votes
0
answers
304
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What should I keep instead of this energy harvester breakout for maximum efficiency of the solar and supercaps circuit?
This is my circuit which charges the supercapacitors. The problem with the circuit is the minimum input voltage require to get 3.3 volts output. Once the input voltage goes below the certain level ( i ...
- 59
2
votes
0
answers
665
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How to light an LED using supercapacitor [duplicate]
I would like to light up a 3W LED from Cree having a forward voltage of 2.9 V at 350 mA. It's maximum drive current is 1 A and gives 300 lumens/m2 output. I am considering lighting up this LED using ...
0
votes
1
answer
326
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Can't find small supercap, 1mF [closed]
I'm trying to find a small supercap for an energy harvesting application, but I can't seem to find one after hours of googling. Loads of pdfs say "Capacitance, 1mF to 100F" or something, but I can ...
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