PCBgogo

Electronic Project Engineer's Best Partner!
z****lon
How does the PCB board carry high current?
616 21 Nov 07.2022, 13:41:04


The design current of the PCB board is usually a small current, so how to make the PCB board able to withstand a larger current? The electronic products used in daily life are only tens of milliamps to several amps. If there are tens of amps or more than 100A, it must not directly cause board burns or safety accidents. So what can be done to address such concerns?

Method 1: Routing on the PCB

This method is the most used method in our PCB design, because the wider the trace on the PCB, the greater the current carrying capacity. But trace width is not linearly related to current carrying capacity. Assuming that under the same conditions, a 10mil trace can withstand a current of 1A, but a 50mil trace cannot withstand a current of 5A

Therefore, we need to understand the structure of the PCB at this time. Taking a simple two-layer board as an example, this circuit board is usually a three-layer structure: copper skin, plate, and copper skin. Among them, the copper skin is the main path through which the current and signals in the PCB pass. The common high-current PCB design operation methods in our design are as follows:

(1) Increase the line width, usually 1A 1mm (40mil);

(2) Copper thickness, 1oz, 2oz+++;

(3) Open the window on the wire, add tin, silver, copper, etc.;

In fact, in engineering, there is no strict standard for the length of wiring. Engineering is usually used: copper thickness / temperature rise / wire diameter, these three indicators to measure the current carrying capacity of the PCB board. We can also use the following two tables to understand how to increase the copper thickness and widen the wire diameter, so as to improve the heat dissipation of the PCB and enhance the current carrying capacity of the PCB
  • Comments(21)
Upload a photo:You can only upload 1 files in total. Each file cannot exceed 2MB.Supports JPG, JPEG, GIF, PNG, BMP
Browse
Submit
header
R****ost

Oct 14.2024, 15:32:54

This article on tests for PCBA circuit boards is very informative! It's crucial to ensure quality and performance in electronics. Just like new era custom hats allow for personal expression, thorough testing ensures each circuit board meets high standards for reliability!

Reply

Submit
header
R****ost

Oct 14.2024, 15:28:56

and come in various colors and styles. Made from high-quality materials, custom snapback hats fit co

Reply

Submit
header
R****ost

Oct 14.2024, 15:28:11

thanks for posting <a href="https://www.123.com">keyword</a>

Reply

Submit
header
**

Oct 08.2024, 20:47:56

Espero que estejam todos bem. Queria aproveitar este espa?o para falar sobre a slot pg suave , uma das minhas fornecedoras de jogos de cassino favoritas. Para quem n?o conhece, a PG Soft é uma desenvolvedora de jogos que se destacou pela qualidade e inova??o dos seus produtos. Os gráficos s?o impressionantes e os temas dos jogos s?o sempre muito cativantes.

Uma das coisas que mais gosto na PG Soft é a variedade de slots que eles oferecem. Desde jogos com histórias envolventes até aqueles com mecanicas de jogo únicas, sempre há algo novo para explorar. Recentemente, joguei algumas slots no sitee fiquei muito impressionado com a jogabilidade e a facilidade de uso. As anima??es s?o suaves, e as funcionalidades b?nus tornam a experiência ainda mais emocionante.

Reply

Submit
header
**

Oct 06.2024, 07:10:09

I hope you're all doing well. I wanted to take a moment to share my thoughts on RoboForex, based on my recent experiences and some information I found online.I came across a detailed review on Revieweek that provided valuable insights into RoboForex’s services. The review highlighted that RoboForex is a well-established broker with a variety of trading options, including Forex, stocks, and cryptocurrencies. One aspect I found particularly appealing is their user-friendly trading platform, which seems to cater to both beginners and experienced traders https://revieweek.com/review/roboforex/reviews/.Another point the review emphasized is their competitive spreads and a range of account types tailored to different trading styles. For instance, they offer both ECN and cent accounts, which can be advantageous for those starting with smaller investments. I also appreciated the mention of their robust educational resources, which can be beneficial for traders looking to enhance their skills and knowledge.However, it's worth noting that the review raised some concerns regarding their withdrawal process, with some users reporting delays. It’s essential to consider this aspect if you're planning to trade with them. Overall, I believe RoboForex has a lot to offer, but like any broker, it’s crucial to do thorough research and read multiple reviews before making a decision.

Reply

Submit
header
D****son

Sep 16.2024, 12:46:26

Ensuring that PCB boards can handle high currents involves optimizing trace width, copper thickness, and cooling techniques. These measures are crucial for safety and performance. For strategic gaming enthusiasts, Pokerogue and Pokerogue Dex deliver exceptional entertainment and challenge.

Reply

Submit
header
D****son

Sep 16.2024, 12:46:26

Ensuring that PCB boards can handle high currents involves optimizing trace width, copper thickness, and cooling techniques. These measures are crucial for safety and performance. For strategic gaming enthusiasts, Pokerogue and Pokerogue Dex deliver exceptional entertainment and challenge.

Reply

Submit
header
E****rar

Aug 29.2024, 16:15:28

This site is amazing! It's so easy to read. Please let me know when there are new posts. 

https://duck-life4.com



Reply

Submit
header
K****olk

Aug 09.2024, 18:47:53

PCB boards carry high current through the use of thicker copper traces and efficient heat dissipation techniques. They are designed with wider traces and sometimes multiple layers to handle higher currents safely. For detailed information and technical resources on PCB design and current management, consider using the best search engine https://google.com to find comprehensive guides and expert insights.

Reply

Submit
header
**

Jun 13.2024, 11:55:58

<a href="http://www.google.com">test</a>

Reply

Submit
header
**

May 16.2024, 04:13:21

фывфыв

Reply

Submit
header
p****nda

May 06.2024, 16:36:57

Though it's not a good idea to play games like these too often and ignore other responsibilities five nights at freddy's, I think it's good to occasionally spend time doing so because they help to release tension.

Reply

Submit
header
**

May 03.2024, 01:13:28

Hi everyone. I want to personally from myself to recommend you valor-bets.com . My history with Valor Bets started a few years ago, when I first tried betting on a soccer match. Since then I have become a regular customer of this bookmaker and can't be happy with their service. One of the main pros of Valor Bets is their wide selection of sporting events. They cover almost all sports, from soccer to tennis and basketball. In addition, I always appreciate their high odds that allow me to maximize my winnings. Good luck with your game!!!

Reply

Submit
header
**

Apr 30.2024, 02:14:19

Your exemplary conduct sets a standard of professionalism and respect. https://solarpowersystemsforyou.blogspot.com/2024/01/free-solar-panels-in-silas-alabama.html

Reply

Submit
header
**

Mar 19.2024, 16:19:02

Good site! I really love how comfortable it is on my eyes. I'm wondering how I can be notified every time there's a new post. gacha life

Reply

Submit
header
g****mza

Mar 05.2024, 05:04:42

Hey everyone, I just want to share my recent experience with Greatpaper <a href="https://greatpaper.co.uk/write-my-essay">https://greatpaper.co.uk/write-my-essay</a> . I was swamped with deadlines and needed help fast. Their team not only delivered high-quality essays promptly but also provided excellent customer support throughout the process. I couldn't be happier with the outcome and highly recommend their service to anyone in need of academic assistance!

Reply

Submit
header
b****sko

Mar 05.2024, 04:42:19

Hey everyone, I just want to share my recent experience with Greatpaper https://greatpaper.co.uk/write-my-essay . I was swamped with deadlines and needed help fast. Their team not only delivered high-quality essays promptly but also provided excellent customer support throughout the process. I couldn't be happier with the outcome and highly recommend their service to anyone in need of academic assistance!

Reply

Submit
header
C****lin

Feb 20.2024, 19:30:49

That's correct! The relationship between trace width and current carrying capacity in PCB design is not linear. Wider traces generally have higher current carrying capacity due to lower resistance, but there are other factors at play as well, such as trace thickness, copper weight, and temperature rise considerations bitlife. It's essential to consider all these factors when designing PCB traces to ensure they can handle the required current without issues like overheating or voltage drops.

Reply

Submit
header
p****nda

Feb 02.2024, 12:18:17

I truly hope you will continue to provide me with content of this caliber because I find your essay to be quite in-depth and engaging. retro games

Reply

Submit
header
P****ton

Jan 09.2024, 10:06:53

We can Dordle also use the following two tables to understand how to increase 

Reply

Submit
header
S****els

Jan 03.2024, 21:48:01

Beyond outlining a typical dissertation structure https://essaypro.com/blog/dissertation-structure, this article offers practical advice on managing the intricate components of your research project. Gain valuable insights into organizing your ideas cohesively, ensuring your dissertation not only meets academic standards but also contributes meaningfully to your field of study.

Reply

Submit
Share the Project