Questions tagged [dual-supply]
The dual-supply tag has no usage guidance.
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Dual supply circuit
I am designing a circuit with 2 48V power supplies to feed a load. My goal is to give priority to Supply 1 when available since I need the load to be fed by only one supply at a time. This is what I'...
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Seamless power source switching for a microcontroller (ATtiny85) [duplicate]
I'm seeking guidance on accomplishing seamless power source switching for a microcontroller (ATtiny85). My objective is to seamlessly transition power input between two distinct sources (Raspberry and ...
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18650 battery concurrency
I would like to build a small circuit with a photoresistor and relevant ICs that switches a larger circuit that enlights Leds utilizing about 1A from a 18650 5V power bank of new batteries. How safe ...
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Dual-Power Sourcing for 15MW Electrolyser: Wind Farm and Electrical Grid Feasibility [closed]
I am part of a team working on a 15MW electrolyser project comprising six 2.5MW containerized electrolysers. This setup will be positioned near a 20MW wind farm, and there is also the potential for us ...
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Can I run a fuse block on different power supplies connected to the same terminals, depending on mobile vs. AC power availability?
I am wiring a trailer lighting system and I want to be able to run off AC power when parked at home, but run on a AGM deep cycle battery when AC power is not available. I've attached a drawing of the ...
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Unbalanced voltage accross full wave bridge rectifier
This an HiFi amplifier from end of 80's.
On the schematic below, I have asymmetrical voltages on the DC, +38 V and -40 V (on the leads of 1000 uF), instead +/-40 V, or +/-38 V - now this is also the ...
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switching multiple supply voltages on same low-side darlington array IC
Say I have an MCU switching a couple SSRs using the ubiquitous ULN2803 at 5V on the "common" pin, but I'd like to switch a 12V mechanical relay with the same chip as well. Checking the ...
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Is this PSU configuration correct for dual power rails and a virtual ground?
I am pretty new to electronics, and I am just not understanding if I have the right configuration on my Tektronix PS2502g PSU. I am trying to supply voltage to a LM741 op-amp but do not appear to be ...
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How to parallel 2 boost converter as positive/negative dual rail power supply?
I read here circuit which can generate positive/negative dual rail power supply with buck converter:
I'd like do it with boost converter: Converting +5V to +5.5V and -5.5V with 2 boost converter.
I'...
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Split supply from 24V power supply using uA741 opamp
I want to connect a 0-3V analog sensor output to the 0-10V analog input of a PLC.
In order to avoid losing resolution, I have amplified the sensor signal using a non-inverting amplifier circuit (based ...
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Converting AGC Schematic from Single Sided to Dual Sided Supply
I am working with the attached circuit, sourced from here: Original
This circuit is designed for a single sided power supply and has worked very well for me in the past. For a new project, I would ...
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What MOSFETs should I use in this configuration?
Here is a configuration of MOSFETs which I believe allows for two different sources to supply power to the same load.
This diagram was originally found here.
The primary source is connected to the ...
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Dual voltage power supply
I am working on my first power supply design for +12 V and -12 V output. The +12 V is working perfectly. The negative output at the rectifier is only -1.87 V.
I have checked the wiring, replaced some ...
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Do dual supply voltage buffers with dual outputs exist?
I need a dual voltage supply (+-15V) voltage buffer for my design. This component will receive a signal (varying from -10 to 10V) and transmit it with gain=1 (line driver, voltage buffer or voltage ...
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Would not this buffer reduce signal resolution for sensor driver? (recommended schematic)
I am following this design.
For my application, the LVDT driver would give me a +-10 V output.
Analog Devices recommeds a buffer for clearing the output signal of the driver. The thing is that they ...
