All Questions
99
questions
1
vote
1
answer
152
views
DC-DC converter circuit LM5164
I would like to build a DC-DC converter circuit using EasyEDA that can output about 80V from 7 Nissan Leaf battery modules that are about 55V nominal.
I am looking at the datasheet for the LM5164 and ...
CommunityBot
- 1
0
votes
1
answer
56
views
What should I do when clearance boundaries overlap with SMD pins?
I am brand new to layout design. I am using the TPS62136RGXR buck converter in my design. However, according to the attached image, the pin's clearance boundaries (0.2mm according to JLCPCB's assembly ...
- 39.9k
0
votes
2
answers
79
views
Power Board Optimization
I've created a buck converter schematic that converts an input voltage of around 16.8V to 5V at 8A using the Sic477 buck converter. You can see my design below. While it produces the correct output ...
- 79.6k
1
vote
1
answer
278
views
Single input dual output simulation help
Ive been using PSIM and there is a problem with the circle mosfet wont turn on. Ive the correct duty cycle and input voltage is higher than the threshold. Can someone simulate it on another simulator ...
CommunityBot
- 1
1
vote
2
answers
97
views
Question on Turn-off Snubber Operation
I'm struggling to understand how this snubber circuit reduces power loss during the off time for this buck converter. Anybody able to explain it's operation / what is happening for each component ...
- 22.7k
4
votes
4
answers
573
views
Inductor energy storing in buck converter
I am trying to understand inductor energy storing during ON time in buck converter.
Energy stored in inductor of buck converter is (Input Power -Output Power)*Ton
Lets say output power is 5 W and ...
- 465k
0
votes
3
answers
115
views
Validate my 3V3 power system
My Power System, can someone validate it? I'm not familiar with using the TPS63060.
Datasheet can be found at: https://www.ti.com/product/TPS63060
I'm trying to power a ATMega328p-AU + 4 digit 7-...
0
votes
2
answers
109
views
Power Converter Average Modelling
This image is from Christophe Basso presentation. It has been mentioned in the slide that average model can predict the transient response but I have one question when we say average model then it ...
0
votes
1
answer
111
views
I need to make a separate buck and boost converter with 200W power rating
I have to make two converters. One buck going from 240VDC to 12VDC 30 amperes and one boost from 12VDC to 24VDC, possibly with the ability to change from 6 to 30 amperes.
A few more details: The buck ...
0
votes
1
answer
118
views
AP63203 Buck not working
Recently I have been experimenting with the AP63203, and I just have not been able to get it to output 3.3V successfully. Currently, the way I have been testing it is using an SMT to TH adapter, which ...
- 1
0
votes
1
answer
47
views
PMIC PCA9450B Not Working
The PCA9450B is utilized to power up the iMX8 Mini Processor chip, which incorporates multiple voltage regulators. However, I am experiencing issues with the output voltages on the output side, ...
- 36.4k
0
votes
1
answer
45
views
Buck Converter - C_OSS charging up loss
Consider the following synchronous buck converter:
where Q1 is the high-side and Q2 the low-side
(https://fscdn.rohm.com/en/products/databook/applinote/ic/power/switching_regulator/...
- 465k
1
vote
3
answers
293
views
Buck converter simulation Vout lower than expected
I am trying to design a simple buck converter in LTSpice. Here are my parameters:
...
- 25.3k
1
vote
1
answer
73
views
Power dissipation formula
Is the below formula, present on page 26 of this buck converter correct to use?
Or should I use the formula mentioned in the 3 paragraph of this accepted answer?
- 151k
2
votes
1
answer
174
views
How to model PCB parasitics
I am working on a buck converter on a PCB. I would like to run some LTSpice simulations to see the impact of the parasitic inductances and resistances of the traces and coupling capacitances.
Is there ...
- 39.9k