Questions tagged [constant-voltage]
The constant-voltage tag has no usage guidance.
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How does MPPT maintain a constant voltage?
I have a slight confusion in the working of the MPPT algorithm in solar inverter. I am confused about how this converter maintains a constant 310V (required for H-bridge) with MPPT. MPPT is a maximum ...
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How Does This Diode Affect This Circuit? [closed]
I am learning about electrical engineering and have a question about this circuit.
I don't have a very niche question, I'm just wondering how the circuit is affected by the addition of the LED.
You ...
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Understanding lead-acid battery charge
I´m trying to understand how lead-acid batteries charging work.
So far what I tested:
If a 14 Vdc supply is connected in a 12 Vdc battery, the voltage will drop to the battery level, and start going ...
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Boost Current and Limit Voltage
I have a radar gun which has a serial interface. The gun reports the velocity out to the serial port. I want to attach a microcontroller (ESP8266/ESP32) to the serial interface and forward the ...
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Using VOUT to Power Up a DC-DC Switching Regulator
I am trying to use LM5117 to convert 36V (VIN) to 32V (VOUT) for constant current constant voltage application. It seems the datasheet is saying if the VIN > 14.5V I can use VOUT with a Zener diode ...
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Constant voltage intercom / PA: 25v and 70v on speaker cable?
I am tasked with hooking up some old analog constant voltage intercom and public address speakers to a new digital / networked intercom system. This is currently all shut down and not being used.
...
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Buck converter not behaving as anticipated with new trim pot resistors
I recently purchased a 300W buck converter from amazon 1 which has two 3296W 100K trim pots to control the constant current and constant voltage output. My plan was to use them as bench power supply ...
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How to make fast CV/CC transition in linear NMOS regulator?
I want to design a linear regulator based on NMOS with CC/CV capability. I made a circuit with two separate loops (CC and CV), each of which is stable. The problem is in the transition moment when the ...
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Stepping down 5.3/12 V DC to 4.8 V
I have load that requires a constant DC voltage of \$4.85 V \pm 10 mV\$ and can draw up to \$3A\$.
I have tried to power my load with a \$12V\$ power-supply regulated with a LM350T (+ heat sink), ...
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Powering 12 V LED strips via a 3S lithium ion battery pack in a tight compartment
I am working on a project for an LED lamp. We are trying to power it via a 3S lithouk ion battery pack delivering up to 12.6 V with a cutoff voltage of 9 V. The brightness of the LEDs at 10.5 V is the ...
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Charging a lithium battery in CC/CV mode
First of all, I would like to charge my battery with a constant current. When my battery is charged to 4.2 V, I want to stop the constant-current charging and switch to CV mode.
My problem is the ...
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Constant voltage LED driver to constant current conversion
I have 12 pieces of wrong supplied Meanwell LPV-35-24 LED drivers which are of constant voltage type onboard a vessel. Our lighting fixtures are using constant current drivers and I run out of spares. ...
user328795
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Cell voltage decrease during constant voltage charging
I tried to charge a battery to 100% SoC. This battery has multiple cells in series. After the CC phase, the voltage in the CV phase is set by the charger. Cell voltages are monitored individually. ...
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High current flow in voltage regulation using TL494
I am using the given schematic for voltage regulation. When I’m not given the feedback, that is point A and B is not connected, then m getting a pulse of 35 % duty cycle of 0-12 V. But when I’m ...
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how to map 1V - 10V to 1.6V to 3.2V for voltage regulation using TL494
I am trying to design the given circuit where pin 1 is the non inverting terminal of comparator where I want to use a ref voltage of 1V - 10V but IC TL494 is accepting a voltage of 1.6V to 3.2V....and ...
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