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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.

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3V to 20V DC - DC boost converter help

I am sorry if this question has been asked before, I couldn't find exactly what I'm looking for. TL, DR: I'm looking for a way to boost 3V to 20V that: Works from a single cell lithium ion battery ...
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40 views

Simulation issues in Buck converter design

I'm trying to understand Buck Converters by designing & simulating a circuit in www.Falstad.com circuit simulation tool. Here is the link to the circuit that I've Designed. link to circuit ...
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3answers
96 views

Can a Variable Frequency Drive convert standard wall outlet (120V/15A/single phase) to ~220V 3 phase?

In my workshop I have a device that requires 220V 3 phase power, with a requirement of up to 1.5kVA. In North America, my wall outlet provides ~120V/15A single phases. (EDIT - my device can take +/- ...
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ADC conversion value spike during ADC conversion

Description of the situation I am trying to get an analog vibration sensor signal to a Raspberry Pi 3 B+. To convert the analog signal to digital values, I'm using Waveshare High-Precision AD/DA ...
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39 views

220 volt ac to 12 v dc converter without voltage regulator

I want to design Additional RC Filter. My input is 220V AC and I want to observe 12 V DC output. I am designing 100 Hz with a full-wave bridge rectifier. My question how can I find the output of ...
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1answer
73 views

Buck step down convertor uses a lot of current? [closed]

I have a DC-DC buck step down converter module LM2596 voltage regulator set to supply 3.0 volts to an atomic clock using a 8 Ah 12 V battery. The clock normally uses 2 AA batteries. https://www.ebay....
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56 views

How to change frequency range of this circuit

I need to design a frequency to voltage converter and I found this circuit on internet: I removed the resistor R6 and the capacitor C5 because what I need is the PWM output it gives on the 555 timer. ...
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34 views

Transformer primary winding splitting

UCC2863x, High-Power Flyback Controller with Primary-Side Regulation and Peak-Power Mode In a design of a fly back converter the transformer used has 3 windings i.e. primary 328 μH and ...
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1answer
68 views

RC Frequency to Voltage Converter

I'm an electronics engineering student and I want to state that this question is not my homework, it is a tiny part of my project (PWM encoder) but I couldn't pass it. I'm trying to make a "frequency ...
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1answer
63 views

Driving 12v logic from an MCU

I'm looking to drive 12v logic signals (logic level shift) from a PIC24FJ MCU, which can do 3.3v and 5v logic. In one instance, I need to switch a 12v line to LOW, and in an other, I need to provide a ...
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84 views

How can I change a DC current to a 1.7/2.4 MHz AC current for piezoelectric device

I would like to start by saying my experience in electronics is very limited and I will include pictures of everything. I am, however, trying to assemble a device which puts a current through a ...
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1answer
49 views

Successive approximation conversion

Can someone explain me from the following table on how to get the DAC output.
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1answer
84 views

Analog implementation of imaginary roots in a transfer function

I have a simple boost converter, and from multiple papers I've read through, a Type 3 Compensator is recommended. I designed one in Matlab/Simulink, and it reacts very quickly. The problem is, when I ...
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36 views

Bypassing 110v power-supply on LED light-strip?

I am wanting to use 2 16.4ft rolls of multicolor LED strips in my enclosed trailer for lighting. They come with 110v power supply that plugs into another coverter that the LED lights plug into. Is ...
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1answer
57 views

LC ringing on synchronous buck converter

I am working on a board that uses LTC3891 as a buck converter to step down 24V to 12V. There is quite a significant oscillation at the switching node, upstream to the inductor which I am curious about....
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2answers
49 views

Frequency of AC for electronic devices

I was wondering why using different AC frequency makes some devises not working. I found that I do not need to adjust frequency for using electric heat or electromagnetic wave such as ・rice cooker ・...
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1answer
174 views

Buck converter MOSFET getting hot

I am building a solar charge controller. I have based the design on pwm5 by Julian illet (circuit diagram attached). I am trying to convert this PWM charge controller in to a mppt one. The buck ...
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46 views

Converting 4 4 3 -2 Weighted Code to BCD using Decoder

I've been trying to solve a question - Design a 4 4 3 -2 to BCD converter using decoder. My attempt at the question was to make the truth table for the 443-2 code and then write the binary ...
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82 views

What is needed to convert 2 DisplayPort lanes into 4?

Essentially, I'm trying to connect a source with only two HBR2 lanes to a device that requires four HBR1 lanes. Theoretically, the bandwidth is there. But what kind of an IC would I need to accomplish ...
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2answers
78 views

4-Channel Level Converter outputs voltage when it shouldn't?

I am converting 5V to 3.3V (for a rudimentary Raspberry Pi project). The level converter scenario below behaves as I would expect: Because HV1 is connected to 5V, the voltmeter connected to LV1 and ...
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48 views

How can an inductor/coil turn a bjt on and off?

I've seen a boost converter circuit on YouTube, and the guy uses a second coil, wound on top of the first coil, and in the same direction, it is connected to the base of a BJT. The BJT acts as a ...
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0answers
78 views

Way to power a monitor that requires 12 V 2.5 amps with a PC USB port [closed]

I am looking to see if there is a way to power a monitor like this: (https://www.amazon.com/gp/product/B07774L6TT/ref=ask_ql_qh_dp_hza) over one (or two) of the PC's USB ports, so theoretically it ...
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Isolated DC/DC converter application circuit / usage

I'm trying to find a basic application circuit schematic for an isolated DC/DC converter – this one specifically: DCWN03E-12 – but I'm having no luck so far. The thing that led me to this particular ...
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1answer
112 views

HDMI to CSI Converter for raspberry pi [closed]

I am creating a HDMI to CSI converter, but i dont know if the wiring is correct and if i need to add any passive component. can you guys help me out? EasyEDA Project
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2answers
105 views

Calculating the peak current of my boost converter

I am stuck while calculating the peak current in the boost converter through the inductor. Can you please check if I am right? Ipeak=(Max Voltage/ R2) = 18/1000=0.018. So, my peak current through ...
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1answer
68 views

Creating a custom playback device

First of all, let me apologize if this isn't the correct place to ask this. This is the one of the best places for my question that I've seen so far. I've been designing a box for on my desk that ...
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How to find the peak current and Vswce of this IC - NCV3063 [duplicate]

I need to design a boost converter using this IC. From (7.5V to 16.5V) to 23V. Load current max is 255mA. I am having some difficulty in understanding some of the design calculation. How will I ...
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1answer
55 views

Working of boost converter [duplicate]

Can someone explain me the working of this boost converter and the function of individual components. Please. I am unable to understand. Why are the transistors connected to the MOSFET. What purpose ...
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2answers
66 views

Input current for boost converter

I am using this IC in boost converter configuration : boost converter It steps up the voltage from 16.5V to 23V. It drives a load current of 270mA. I need to calculate the input current of the ...
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1answer
72 views

Digital to Analog (DAC) design with MOS transistors

I am looking for a DAC design wıth NMOS and PMOS transistors as a part of a project, most of the DAC circuits that I found were builted with R-2R or with capacitors. But I need a design with MOS ...
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1answer
195 views

DIY rotary inverter technical and economical feasibility

I’m setting up a solar panel system (200W) that’s used to charge batteries that will power small appliances in a converted van. Solid state inverters are expensive and difficult to fix and it seems ...
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37 views

How to design a slope compensation circuit for a boost converter having different output levels at different input ranges?

I am working on a non-isolated boost converter, has 30khz switching frequency and uc3842b is used to implement peak current mode control. Three phase ac after rectification is applied as an input to ...
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1answer
68 views

Parallel LED not achieving expected current from 18650 battery pack and Boost converter

This is kinda a follow up to a previous question I asked here: Parallel 18650 battery pack voltage not stepping-up with Boost converter. Why? I have now added the correct boost converter to my 20 LED ...
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1answer
114 views

Maximum current input of an LM2596 step down converter

I begin in electronic, so sorry if my question is bad. Can a LM2596 step-down converter accept 12V 8A as input ? I can read everywhere that the maximum output current is 2A or 3A but nothing about ...
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3answers
356 views

Converting 220v 50Hz to 110v 60Hz

I have a situation which I'm not sure how to handle. I've purchased an appliance from US. This appliance is powered by electric motor (175W) and then I realized I cannot use simple step-down converter ...
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2answers
89 views

How to send a digital signal when analog sensor (QRE1113) reaches a threshold value without resorting to wasting analog input pin?

I'm building a miniature pinball machine and I am attempting to use an infrared reflector sensor (QRE1113) to detect when the ball rolls over it (I got the original idea from Ben Heck's videos). In ...
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1answer
28 views

Multiple boost converter voltage pulled down

I need to make a simulation of multiple boost converter design for different load ratios. I have designed 2 boost converter both of them have same duty cycle and same L and C values. Voltage input is ...
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1answer
97 views

Need some help designing a mains frequency converter (220v/50hz input, 220v/60hz output) for <$200USD

My main limitations here are with the amount of power needed, and of course the price. What I'm trying to do is to run a clothing dryer from the USA in another country, without burning out the drum ...
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35 views

Need to boost 20vdc to 84vdc 90 watts . Is this a taller feat then a 60v boost circuit? going from usbc breakout board fairchild chipset

I've already made one that goes 60volt, but now have a device that needs 84 volts to the input of a BMS (battery management circuit). 90 watts -- OEM charger is 1.45 amps @84 volts. https://www....
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1answer
61 views

How calculate the transfert function of boost converter with input capacitor?

the Boost converter figure is like this
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1answer
154 views

Designing voltage to current converter 4-20 mA [closed]

I'm currently designing (or at least trying to) a RTD amplifier with ICL and current outputs. What I've got so far is a working RTD and ICL schemes, but I still struggle to design a proper converter....
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1answer
32 views

Boost Capacitor of Step-down converter

I'm working on the LT8607 Step-down converter to convert from 12V to 5V/500mA output. The circuit schematic is as below. What is the purpose of using the BST capacitor as shown in the schematic.
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94 views

Buck converter input current

How to calculate the input current consumption of the buck converter. It's seem that the output current only depends on the output voltage, duty cycles, input voltage, and coil inductance. Does the ...
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2answers
102 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 ...
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2answers
55 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 ...
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1answer
92 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 ...
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1answer
134 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 ...
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6answers
235 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 ...
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3answers
106 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:
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2answers
115 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 ...