Questions tagged [current-limiting]
Current limiting is the practice in electrical or electronic circuits of imposing an upper limit on the current that may be delivered to a load with the purpose of protecting the circuit generating or transmitting the current from harmful effects due to a short-circuit or similar problem in the load.
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How to make this high side current limiter more predictable [closed]
I started out experimenting with a very basic current limiter that begins to pinch off a pmos when about 0.7 V drops across a shunt
I then decided I wanted to be able to trim the current with a pot ...
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Combining a differential amp and current limiting circuit
I've been experimenting with a very simple current limiter that regulates the current through a solenoid with a 3-4 ohm resistance.
The external driving circuit is a PWM switched N-Ch MOSFET ...
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How can I wire four Peltier modules in parallel with current limiting?
I am currently working on a project to cool different materials for a local young student program with engineering.
My thinking was to attach Peltier modules to different materials and, using an IR ...
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Can I use the CC/CV converter as the LED strip driver?
I have a power supply - Molex from power supply unit (5V, max current - 11A). Besides lighting there are other consumers that do not need current stabilisation. I want to power 9 ws2812b LED strips ...
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Need for current protection on low current digipot
Context:
I am designing a power control system for a 24v 300w halogen lamp and to do this I am taking a stock buck converter Here with current and voltage control, removing two potentiometers and ...
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Designing a reed switch circuit
I have been trying to design a door contact sensor. Almost 90% is completed, but I am confused about this reed switch circuit. The problem with the circuit is it is consuming too much current I am ...
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Current limit resistor calculation zener diode
I designed an overvoltage protection circuit. My input voltage is 90V, and I need overvoltage protection at 90V. However, I used a 91V zener diode in my circuit. I have a problem calculating the ...
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Is it better to shut down an overheated laptop? [closed]
My brother and I were sitting beside a laptop. He was playing a game and we noticed the laptop was overheating.
My opinion was to turn it off ASAP to prevent "Thermal runaway" and other ...
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REF200UA current source issue with multiple voltage supplies
This is my first question on stack exchange, so if I don't follow any rules I apologize in advance and will try to modify my question to meet expectations!
I'm working on a project where the goal is ...
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MPPT Charge Controller with Priority Charging capability?
I am designing a solar power system which I would take deep into the Amazon forest to an indio village. They have no energy, and they like to have internet (StarLink) and a fridge would be really ...
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Current limiting stopped working on a power supply
I have an old power supply (Tesla BS554) and all of a sudden the adjustable current limiter stopped working.
The supply is designed to limit the output current up to 1 A, but I am measuring short-...
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Limit high current using LDO regulator [closed]
I need to heat up a nicrome wire using 4Amps to break an O-ring. I don't know exacly what is the size of the nicrome wire, so I cannot put a resistor in series, also I cannot dissipate all that heat. ...
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Reduce the current from a Li-ion battery with 6S 18650 cells and BMS to a motor [closed]
Beginner in electronics looking for advice. I got a 6S BMS board from AliExpress rated at 25 A. I need to reduce current to 5-6 A. The board goes in a mobile vacuum cleaner, its motor is max. 120 W.
I ...
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Par control in DC servomotor
How can I control the torque of a DC servo? Servo model: DS51150-180
https://i.ebayimg.com/images/g/pEkAAOSwmFNl4NkA/s-l1600.jpg
The current in a DC motor, as well as in a servo, determines the ...
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Input capacitor / Inrush current
I am developing an electronic control board for a brushless motor. The motor in question is part number FR_2057_B_FMM from FAULHABER. The motor is powered at 24V and 62.5W.
For the three-phase ...
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