Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [converter]

A circuit that converts a signal from one form to another. Analog to digital, Digital to analog, Voltage to current, Current to voltage etc. The key to understanding is the transformational properties of the circuit as opposed to just amplification or buffering.

4
votes
2answers
86 views

Buck, Boost..etc Is there always an IC for that?

First of all I am still in school so perhaps I have not been exposed to material that may answer this question for me. I have recently become interested in power electronics. I have purchased a book ...
1
vote
2answers
43 views

Modifying a buck converter for lower current rating

I have been learning about buck converters and I think I understand the principle of their design. However, I am unsure of how a current rating would be calculated for a particular design. The ...
-5
votes
1answer
88 views

Need electrical schematic of this component

For my graduation project I need this converter but I would like to have the electrical schematic. This is the link to the store where I bought the part. That's all I know. I have looked up the chip ...
3
votes
1answer
97 views

Powering 9216 leds @5V, @24V with converters

I am struggling with a power supply question. I would like to power up and control 9216 LEDs -- strips of 144 LEDs/meter (WWA SK6812 - just like the RGB kind). These are powered at 5V and draw 43.2 ...
2
votes
6answers
141 views

Converting 0-5 volts (linear) to +2.5 — 0 — +2.5 volts (“vee”)

I'm trying to find a simple way to convert a 0-5 V output from a joystick hall effect sensor to +2.5 -- 0 -- +2.5 V. Here's how I want the response to look: The output voltage will be sent to a ...
0
votes
3answers
91 views

Converting a soldering station from 110 V to 220 V

i bought this soldering station from the USA and it is 110 V. I need it to be 220 V. Is this possible without external tools? There are 3 Trimpots: V1 VR1 VR2 This is the inside of the station:
1
vote
2answers
62 views

How does Ethernet to CAN conversion work?

I am wondering how an Ethernet-to-CAN converter works. CAN is a multi-master broadcasting network where messages are associated with IDs. Each message type has a unique ID. Devices listen to all ...
1
vote
1answer
29 views

Forward Converter - Voltage through primary winding Question

So my waveform is a step function, where maximum voltage is at Vin = 40V, and minimum voltage is (-N1/N3)*Vin = -200V. The minimum voltage doesn't sound right to me, so I was wondering if anyone can ...
1
vote
1answer
114 views

What might be the reason for improper turn on of IGBT

Here I am applying 3-phase rectified dc to the non-isolated boost converter, the magnitude of applied voltage is 450V and desired o/p voltage is 475V. Switching frequency of PWM is 28k. I am using ...
0
votes
2answers
62 views

VGA to composite circuit. Does it work?

So I found a VGA to composite passive converter circuit online, and was wondering if it would work, if the vga timings were modified to match the timing of composite. Here is a relevant schematic:
0
votes
1answer
66 views

12 V input to multiple 5 V outputs?

I have that project, where I have as an input voltage 12 V (lead acid battery) and would like to have 4 output of 5 V 1 A that would be switched on and off with a mosfet. I'm thinking which way you ...
0
votes
1answer
79 views

Parallel 18650 battery pack voltage not stepping-up with Boost converter. Why?

I'm new here and I hope this is the right place to ask! I have assembled a 6P 18650 battery pack out using Samsung 25R cells, soldered altogether with Nickel strips, effectively giving me 3.7V 15Ah. ...
0
votes
1answer
50 views

Frequency-to-Voltage convertor diagram questions

I'm relatively new to electronics, but I'm interested in making the Frequency-to-Voltage convertor linked here as part of a larger project linked here. Here is a diagram of the circuit I want to make:...
1
vote
2answers
29 views

Nmos trigerring in 4-20mA converter

Here is the circuit I am trying to understand: It comes from the following application note from LT: https://www.analog.com/media/en/technical-documentation/technical-articles/D61_EN-Convert.pdf I ...
2
votes
1answer
56 views

LM2917 draws too much current

I built a prototype of a frequency-to-voltage converter using a LM2917 following exactly the "Minimum Component Tachometer Diagram" example schematic - just to play a bit and understand how it works. ...
-4
votes
1answer
50 views

About zero voltage switching boost converter designing [closed]

I am developing zero voltage switching in a boost converter for input 48 V and current is 20 Ah. Also: output power is 60 W, output voltage is 200 V, output maximum current is 0....
0
votes
2answers
214 views

Convert 3v to 5v very high amperage using boost converter

I am trying to build a power bank that has 3 output USB ports that can provide 2.1 amp each; it has 8 LiPo cells. So total of 2.1×3=6.3amps so basically 7 amps at 5.1v out. I have built the ...
0
votes
0answers
32 views

How to measure Power Cnversion Efficiency of the rectifier in cadence?

How to measure Power Conversion Efficiency of the rectifier in cadence? I am trying to measure PCE of rectifier using this method: ...
0
votes
1answer
99 views

How can I boost 1 Volts 30 Ampere input to 5V with maximum Current limit of 5A?

How can I boost 1 Volt 30 Ampere DC input to 5V DC with a maximum Current limit of 5A?
6
votes
2answers
185 views

Purpose of this oscillator (74HCT14-based) on RS-232 to RS-485 converter?

I am reverse engineering an RS-232 to RS-485 converter to understand how it works. I have attached the schematic that I reverse-engineered from the PCB (apologies for the hand-drawn schematic). I've ...
0
votes
2answers
63 views

What is Vrect in a Voltage Regulator?

I'm just reading through Texas Instruments' Application Report on Switching Regulator Fundamentals and came across the half-bridge converter and the formula for both the output voltage of the entire ...
-3
votes
2answers
150 views

Is there any way to convert 50 Hz directly to 1 MHz? [closed]

I want to know whether there are any ways to convert 50 Hz AC to 1 MHz without Voltage Controlled Oscillators? If I'm correct, all the normal circuits convert the AC to DC and then use it to ...
0
votes
3answers
56 views

Can I use a Step-up Power Converter with Arduino instead of a Relay?

I want to make two projects that use a 12v input, a solenoid valve and a electrical lock. Both need a 12v current to work. I've seen some exemples for both projects that use a relay and an Arduino to ...
0
votes
2answers
53 views

A question about the working principle of a frequency to voltage converter

This is a question about the big picture of a frequency to voltage converter. For example when I use this Phoenix Contact MINI MCR-2-F-UI(-PT) f/V converter module with the settings to map a input ...
0
votes
1answer
44 views

What is such parameter called for a frequency to voltage converter

In a frequency to analog voltage converter what is the parameter which is related to the response of the conversion. So for example I use this converter module and Im wondering how fast the change in ...
0
votes
1answer
34 views

Cathode of Rectifier diode connected to GND of Error amplifier circuit

[![enter image description here][1]][1]I've this circuit of 60v to 12v buck converter. In this UC3845B is used for gate firing. I didn't get one thing in the circuit that the Cathode of rectifier ...
0
votes
1answer
50 views

About Ac to DC convertor..? [closed]

Which is the best way to convert Ac to DC , with maximum efficiency possible by using a transformer. The required voltage is 5v and current is 1a . I saw a circuit from my mobile phone charger they ...
1
vote
2answers
40 views

Having trouble with a frequency to voltage converter for universal frequency input

I'm having trouble with a frequency converter. The data sheet is given here. I set the converter for universal frequency input and voltage output. These can be configured by DIP switches. The diagram ...
0
votes
0answers
44 views

Suggestions for switching 800VDC converter on/off

I'm stress testing(turning them on-off with load every 300 seconds for 1-2 weeks) the components that we are willing to use. have tested several battery chargers with AC input with using a timer relay ...
0
votes
1answer
86 views

Step up converter 1-3V to 5V fixed for supercapacitor

I would like to use this step up converter, LT1073 - Micropower DC/DC Converter Adjustable and Fixed 5V, 12V, to drive an input in the range of 1 V to 3 V (input is a supercapacitor). In ...
-1
votes
2answers
98 views

Could the extra power not used through a regulator or buck converter be used in another load without taking away power from the regulator? [closed]

I’m making a design for a crank generator which will charge my phone and a battery at the same time. The generator will be connected to a bridge rectifier, then a buck (step down) converter, which ...
0
votes
0answers
46 views

5VDC output converter going to 10V when IC is connected

I have a pcb which uses ICs including two MCP3008. The voltage provided by the DC DC converter is to be 5V, and it is 5V when the two MCP3008 ICs are not inserted in the sockets. But when I place ...
0
votes
1answer
78 views

RS485 to RS232 conversion?

I need to connect a sensor that uses a RS485 transmission to RS232 or something I can read through the com ports on my data logger. I can't use usb ports or virtual com ports due to the program I am ...
0
votes
1answer
107 views

How to correctly test a 4-channel Logic Level Converter?

I have a 4-channel logic level converter (it says Level Converter MH on its back and seems to be a very common one for Raspberry Pi and Arduino usage) and wanted to ...
0
votes
2answers
67 views

high current buck converter?

I am in the process of building a power bank with 18650 batteries for a trolling motor. The nominal voltage for this battery is 14.8 V. The motor specs are 12 VDC - 45 A max current draw. Now the ...
-1
votes
3answers
72 views

Confused on How to Output the Current and Voltage I want from 18650s in Parallel

Recently I purchased two Samsung 30Q 18650 Batteries, and I want to use them to power a project, but I am confused on how, say, USB Battery packs, output a constant 5v 2.1 Amp by using an 18650 ...
0
votes
0answers
47 views

How to design inductor for non-isolated boost converter?

I am trying to design an inductor of 500uH for non-isolated boost converter from following data. Input voltage Vin=330V DC, Maximum duty ratio Dmax=63%, Switching frequency Fsw=30kHz, Saturation flux ...
0
votes
3answers
142 views

Can I use a power strip with max 250v to a 120v power outlet without a converter? [closed]

I'm going to move to Canada from EU. From my research, most people said that if someone from US moves to EU, they'll need a power converter otherwise it might fry the thing. My question is, if I use ...
1
vote
2answers
681 views

Unbalanced to balanced audio signal conversion

When I was looking for some information how to convert unbalanced audio signal to balanced, it was hard to find info other than "use transformer" or "buy X device to do this". Then I found this ...
0
votes
1answer
59 views

What is the reason of undesired peak current in PFC non-isolated boost converter?

I have attached inductor current waveform of PFC boost converter. After the particular current level, an undesired peak is coming. I have done some study and thinking it might be because of inductor ...
0
votes
1answer
82 views

Step-up converter with Vin, Vout, GND

I want to use pololu step-up converter https://www.pololu.com/product/2836 in order to power a 5V device with two Ni-Mh batteries (1.3V each). It has only Vin, Vout and GND connectors. I've checked ...
1
vote
3answers
38 views

Get 1,5U voltage on the transformer

I have a transformer with a midpoint that gives a voltage of 1U at the ends of its secondary winding. Can I, using only capacitors and diodes get a DC voltage of about 1.5U (but less than 2U)? If so, ...
-2
votes
1answer
47 views

Looking for a component that lets me choose where to draw power from [closed]

I would like to have a switch or box that allows me to plug a battery and wall power into the box, and then has a switch that chooses which power to use for the output. The ideal inputs of the box ...
0
votes
1answer
68 views

Difference between MAX3430 and ADM483 for TTL-RS485 Converter

I want to use TTL-RS485 Circuit as in the attachment. The circuit is working when I use ADM483 Transceiver for U1. It can provide communication. However the circuit is not working when I use MAX3430 ...
0
votes
0answers
217 views

Power factor and Harmonics associated with Electric Vehicle charging

What is the power factor associated with (typical) DC fast chargers and onboard chargers in electrical vehicles? Also, how much is the harmonic content (especially triple-N harmonics) associated with ...
0
votes
1answer
68 views

Flyback smps or floating buck converter?

I want to drive a 180V/1A string leds from 220VAC. Which topology should I use: flyback smps (with transformer) or, floating buck step down converter? I know that buck converter will be not ...
-3
votes
1answer
59 views

Design of SMPS for running 10 bldc motors [closed]

I want to run 10 motors, each motor has specification of max 70 V and max current 160 amps. My doubt is, is it possible to build SMPS for these purpose. If not what would be the best alternative. I ...
0
votes
0answers
34 views

12V Converter for li ion battery pack supporting 16-20 Amps

I built a 4S Li ion battery pack and I need 12V output at 16-20Amps but I have limited space (70mmx55mm). 12 V would be the best but I could also just reduce the max output from 16.8V (4x4.2V) to ...
0
votes
2answers
49 views

RS232 Bridge cable stopping after some time

Im trying to reverse engineer a very old DOS program that connects with a machine using RS232, for this i setup a typical in the middle connection like this: From Computer A to PC A connection im ...
1
vote
1answer
33 views

Basic Buck Converter Switching Mosfet

According my book, which I think it might be an error, Q1 is a D-MOSFET, and the behavior of the circuit is shown in the following picture. But it seems to me that according to the behavior this ...