All Questions
Tagged with dc-dc-converter step-down
55
questions
0
votes
1
answer
110
views
What is the range of the most powerful step down DC/DC converters nowadays?
The team in my lab's company, we want to start using high voltage DC to perform some tests. The electric company can supply us a line of 25kV DC but in reality we would need to chop it to get voltages ...
- 324
0
votes
5
answers
397
views
Shielding Buck Converter
I have a simple question, and I want to ensure that nothing unexpected happens. I'm currently working on a Raspberry Pi-based robot project with a Pi camera, and I plan to power it with a battery, ...
- 53
0
votes
1
answer
50
views
Variable Vout of Buck Converter [duplicate]
I have been trying to understand the working of buck converter (without the use of a dedicated IC). So, I used LTspice to test a circuit on the parameters:
Vin: 100 V
Vout: 50 V
Freq.: 10 kHz
I: 5 A
...
- 117
1
vote
0
answers
72
views
Desigining a 3S battery charger step-down buck converter
I'm a hobbyist, so my electrical engineering skills are not top notch.
I'm service tech and I'm working on modifying portable coolers (thermoelectric and compressor based) where we add batteries to ...
- 157
0
votes
2
answers
556
views
Can I use a buck converter and a 12 V adaptor to create a 5 V and a 12 V circuit?
I have a microcontroller that is powered by 5 V and some solenoids that need 12 V. At the moment I power the solenoids using a 12 V adapter and switch them on and off through MOSFETs which are in turn ...
- 35
0
votes
1
answer
36
views
Where does the Step-Down Convertor used as compare to RECOM DC/DC converter?
I am reading Step-Down converter and given the circuit below, which is a step down converter. It consists of a MOSFET, inductor, diode, capacitor
And if I compare it with RECOM component DC/DC ...
- 103
2
votes
3
answers
1k
views
Buck converter adjustable output-voltage using digital potentiometer [closed]
I am trying to design a buck converter using an LM2576HV (Vref: 1.23 V) and a digital potentiometer (input: 48 V, output: 0 to 48 V, Imax= 3 A).
The digital potentiometer with the highest supply ...
- 21
0
votes
1
answer
1k
views
24V to 5V step down voltage regulator with LM2678 [closed]
Reference: https://www.ti.com/lit/ds/symlink/lm2678.pdf
I have constructed the circuit above attempting to step down the DC voltage from 24V to 5V. But I keep getting 8.3V as the output voltage. It is ...
- 11
0
votes
1
answer
431
views
Convert 24V battery output to 12V (step down)
I want to convert the output of my stronger Li battery (24 V) to some devices that require 12 V
24 V Battery Specs:
Output V: 21-29,4 V
Capacity: 15 Ah
Max Current peak: 36 A
Max Current: 18 A
12 V ...
- 155
0
votes
1
answer
526
views
Is this the right way to power a 12V LED and Raspberry Pi from the same 12V power source?
So I am trying to control an LED with a Raspberry Pi. It's a 12V LED, and the RPi needs 5V.
From the research I have done so far, it looks like a good way to do this would be to use the GPIO port on ...
- 153
1
vote
3
answers
573
views
DC motor: DC-DC converter vs PWM
In a cave we are exploring we are currently blocked by a small siphon, which we would like to empty into another gallery.
For this, I would like to use a 12 V pump (not selected yet).
As a power ...
- 7,697
0
votes
1
answer
65
views
Defining VIN trace width of DC\DC
I intend to use RT8068A in the following design:
The requirements are: Vin = 3.3V, Vout= 2.5V, Iout_Max = 1A (+VPP is connected to DDR4 Memory SODIMM-260, 32GB, 2400MHz/2666MHz, 1.2V).
My question is,...
- 1,067
3
votes
0
answers
180
views
LM3150 Webench not matching with LTSpice?
I'm trying to implement this design from Webench (5V @ 10A):
I'm using LTspice to simulate this design, but my results are bizarre, as shown here:
I have looked into this thread: TI Webench and ...
- 31
-2
votes
1
answer
55
views
Can I use DC-DC step down converter on infrared illuminator LED 5 mm, 940 nm [duplicate]
I was thinking if i use dc-dc step down converter on infrared LED 5 mm, 940 nm and The supply voltage for the DC to DC step down is 5 V from a smart phone charger then I will set it on 1.4 V exactly ...
- 1
2
votes
1
answer
704
views
Switching regulator vs converter
Is there any difference between switching regulators and converters? I have read about step-down voltage regulator and buck converters and they seem to be the same. So, can I use the term converter ...
- 37