Questions tagged [supercapacitor]
Very high energy-density capacitors, typically measured in farads.
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Super capacitors high current charging and discharging
simulate this circuit – Schematic created using CircuitLab
simulate this circuit
I've been playing around with the idea of using super capacitors as the main way to start my car (basically the ...
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Will this Arc Lighter Circuit Work?
I am attempting to build a really cool thing (at least I think).
The goal is to build an arc lighter that I can shake to charge (kinetic power).
It's a circuit that combines an arc lighter circuit ...
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Supercapacitor spot welder - which capacitors to use?
I built a spot welder using a big transformer (approximately 4kW from an old welding machine) but I now need to build a spot welder with more power (more current.)
The current spot welder works great ...
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Is there any supercapacitor that is hermetically sealed?
Does high altitude affect supercapacitors?
At high altitudes mostly hermetically sealed capacitors are used, so is there any supercapacitor that is hermetically sealed?
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5 V holdup/ temporary backup circuit
I have a project where I'm using an android tablet to power a serial relay, the relay is 20 m from the tablet so I'm using a USB C > USB A hub and a self powered USB over CAT6 extender. When the ...
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Supercapacitor as PMIC Storage Element
I'm currently trying to design a system that incorporates an ADP5092 which can use a supercapacitor as the storage element but I am also considering other similar PMIC chips so this is more for ...
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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 ...
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Super capacitor causing overcurrent protection
I'm making a power-supply circuit for some MCUs using a battery charging-discharging protect module MH-CD42 (both input and output is 5 V).
The module's datasheet says it has a 0.3 seconds switch time ...
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Component protection and charge optimisation for Solar + Supercapacitors
What are the best protective practices for solar cells and supercapacitors when they are used for small outdoor projects? Moreover, are there any way of widening the useable voltage output range of a ...
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Limiting peak current draw with a supercapacitor or battery
I'm working on a project that runs on 12V DC. The power comes via PoE, which induces a hard limit of 15 watts on the design.
The circuit is intended to drive multiple loads that are rated for ~7W each,...
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High efficiency pwm current limiter for charging supercap from alkaline battery
I'm designing device which uses two alkaline C-batteries in series as power source, and sends SMS messages using SIM800. On average 1 message per day is sent. Goal is to maximize battery life.
Allowed ...
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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 ...
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Low Power Supercapacitor LTE modem supply
I am interested in your comments about the following LTE modem power supply from a single 3.6V ER34165 battery with minimal Iq (quiescent current).
The battery can only handle 200mA continuous ...
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I'm an undergrad building a railgun and I need assistance!
I am a physics undergrad that chose his senior project to build a low voltage railgun, however I am running into a few different issues.
1.) The paper mentions a "flyback diode bank" which I have ...
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Need some advice for a voltage clamp for motor controllers
I'm working on a project that is powered by a 12V 100A PC power supply in line with 5 x 2.7V 350F supercapacitors. There are three 2x30A motor controllers driving wormgear DC motors. The ...
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