Your Professional USB PCB Manufacturer in China

PCBMAY – Outstanding USB PCB Manufacturer in China

If you’re struggling to find a USB PCB that will suit your needs, PCBMay is your ultimate manufacturer in China. We specialize in developing USB PCB with great performance, stability, and durability.

PCBMay is a reputable manufacturer and supplier of extremely dependable USB PCBs in China for over 10 years. We have been providing excellent quality USB PSB to different industries and applications including:

• USB Sound Card PCB
• HDI Circuit Board Assembly
• USB Charger Electronics Battery
• ROHS 94V-0 USB Flash Drive
• Electronic Printed Circuit Board
• USB FPC Flex PCB Board High Effective

With our rich knowledge and expertise, we are recognized for manufacturing different types of USB PCBs. And these are vertical mount plug USB PCB, vertical through-hole PCB, mid-mount PCB, top mount USB PCB, and bottom mount PCB.

All PCBMay USB PCB is manufactured from versatile raw materials for safety, premium quality, and performance. With PCBMay, you can ensure the #1 USB PCB components for your business. We can help you create and develop a high-standard and high-precision USB PCB.

PCBMay is your one-stop solution for any PCB needs in China. PCBMay has an experienced engineering and technical personnel with 20+ years of valuable working experience. We can supply products and assist you with PCB fabrication, PCB assembly, and components sourcing.

Aside from USB PCB, we also provide a wide range of camera PCB, carbon ink PCB, Remote control PCB, emergency light PCB, Button PCB, switch PCB, and many more.

PCBMay supply high-quality products in adheres to ISO production procedure and adopting the IPC class 2 quality surveillance standards. We also obtain ISO-9001 quality system certification, USA and Canada UL(E477880), RoHs, ISO-14001 environmental system certification. In short, PCBMay is an excellent manufacturer that can skyrocket your brand.

If you have any inquiries regarding PCBMay USB PCB, we are ready to answer your concerns. We have 24/7 online to support your needs. Contact us immediately!

USB PCB: The Ultimate FAQ Guide

USB PCB is a dependable circuit in the present electronics world. This circuit board establishes a secure connection between various electronic devices. Its numerous benefits make it a reliable option for high-speed signal transmission in advanced appliances.

Do you know about the ins and outs of its manufacturing properly? PCBMay is the most trustworthy supplier of USB PCBs in China. This FAQ guide will inform you of the necessary details about this PCB. Let’s start.

What Is USB PCB?

USB PCB is an effective circuit board that contains USB (Universal Serial Bus) connectors. It controls data transfer between different circuit boards or electronic gadgets. This PCB shows impressive current conduction while connecting two or more devices.

Different useful USB connectors set in printed circuit boards develop the functionality of versatile applications. High thermal management, impedance matching, dielectric properties, etc make these PCBs the most widely utilized circuit solution in almost every gadget around you.

USB PCB

PCB supports type-A, type-B, type-C USB connectors with superb efficiency. Again, male and female USB connectors ensure a secure connection among peripherals. In a nutshell, USB PCB solves all problems in data transmission systems. Watch this video to learn more about USB:

Where Do You Use USB PCB?

USB PCB has immense use in electronic applications like computers, mobile devices, printers, smartphones, and so on. That means this circuit board improves devices used in the telecommunication sector greatly.

Again, industrial and medical equipment are also composed of universal serial bus PCBs. These boards have a high tolerance to extreme mechanical and electrical forces. That’s why you can apply them in between huge vibrations.

Functional USB PCB

Moreover, it is applicable in sound cards and charging instruments. Like, wireless chargers deliver superior performance when they incorporate USB PCBs. Except for these, USB connectors are used in navigation devices, flexible electric circuits, flash drives, etc effectively.

What Are The Benefits Of a USB PCB?

The most noteworthy benefits of a USB PCB include-

• It ensures an outstanding data transfer rate irrespective of USB type, versions, and hardware.
• It is capable of storing high-volume information.
• USB connectors attached to PCB are cost-effective.
• This PCB maintains signal integrity by protecting them from various noises.
• USB flash drive PCB and USB hub PCBs are compatible with almost every data transmission device.
• USB hub PCB allows you to connect multiple devices at a time.
• Its top-class thermal management makes this PCB highly durable.
• This PCB supports the auto-configuration system after the initial installation of the driver software.

USB Hub PCB

Which Components Are Used In USB PCB Connectors?

USB PCB connectors consist of useful components. These play a major role in developing a product’s effectiveness to a certain extent. Some of the vital components are-

Pin

Pins act to join USB connectors to the electric circuit. They are also known as terminations. Generally, pins are found in the lower portion of the USB. Soldering is a good method to fix these pins with the PCB surface properly.

Enclosure

Enclosure or shielding are worthwhile to restrict noise. So, signal quality never gets hampered due to electromagnetic interference.

Female USB PCB Connector

Contact

This is a vital part of USB PCB connectors placed on plastic bars. Usually, connectors have at least 4 contacts that are applied to make connections. Such as a couple of data lines, ground, power, etc.

Which Things Do You Need To Consider In A USB PCB Design?

USB PCB layout is a very crucial factor to optimize a USB connector. You have to consider some techniques while designing the layout of this PCB. Otherwise, there is a low chance of achieving the optimum performance in signal transmission.

• You must place the bypass capacitors in the rail of the power supply. Again, these capacitors need to be closer to the voltage receiving pins. Improper placement of bypass or decoupling capacitors causes noise contamination in signals.
• The trace dimensions are vital issues in this field. Well-measured trace width is supportive of carrying heavier current loads. Never cross the threshold limit of trace thickness and width. It also affects impedance stability
• The landing pattern of the PCB components needs to be correct enough to ensure sufficient thermal and current dissipation.
• Via placement and the dimensions of the drilled holes also should be correct. You can use design software to avoid improper use of PCB vias and components in USB PCB layout.
• It is required to place EMI-sensitive parts far away from the main circuit. It is helpful to reduce electromagnetic interference.

Well-Designed USB PCB

Watch this video to know more:

What USB PCB Thickness Should You Apply?

PCB thickness is a crucial factor for the trouble-free operation of USB connectors. A perfect USB PCB needs to be around 1.6 to 2mm thick. It ensures the proper dielectric properties of these PCB materials.

USB Charger PCB Thickness

Besides, impedance matching is related to the PCB thickness. So, you have to apply the right thickness of this PCB. But, thick PCBs cost higher than thin PCBs. On the contrary, they can carry heavier current loads. That’s why you need to trade-off between these two issues.

How Do You Identify Faulty USB PCB Ports?

Sometimes, USB PCB suffers from faulty ports. It hampers the file transfer between computers or other electronic data storage devices. So, identifying faulty ports is highly important for ensuring the optimum performance of this PCB.

This is not a big deal to find a defective USB port. You just need to connect your gadget to another USB port. If there is no problem with the new port, then you can consider the ports of your USB circuit board faulty.

Then, you should repair or replace them without any delay. Sometimes, the USB ports of this PCB get dirty or damaged. In that case, the PCB malfunctions. Again, some errors in the device manager can create problems for the USN connectors. Then, you can give it a try by uninstalling the USB host controller from your device.

Faulty USB PCB Port

When you are sure of these matters, replacement is the best choice. If your electronic appliance can’t function with another USB, then replacing the USB port won’t be effective for you. Then, you should take care of your device first.

What Are The Types Of USB PCB Connectors?

USB PCB connectors have a large-scale variety. These are mainly classified concerning their mounting and applications. Now, we are going to explain the most notable USB circuit boards used in electronic projects.

Bottom Mount USB Connector

This type of PCB holds the USB connector at the bottom surface. Usually, bottom mount USB connector circuit boards are supportive of surface mount devices. These PCBs are highly effective and cost-effective. They promote the entire functionality of gadgets during signal transmission.

Mid Mount USB Connector

There is an opportunity to place USB connectors in the middle segment of the PCB. Both THT and SMT are effective for these PCBs. If you are worried about the USB connector’s dimensions, mid-mount PCBs are the most dependable option for you. These circuit boards have better use in electronic products having a low profile.

Top Mount USB Connector

PCB containing top-mount USB connectors is applied to contact pads on numerous devices. In this case, connectors are placed on the top PCB surface by using the terminating leads.

Vertical Mount Plug USB Connector

These types of circuit boards usually function to charge smartphones and laptops. Here, the connector’s vertical orientation is performed by using soldering or through-hole technology. Vertical mounting USB connectors have elite effectiveness in charger PCBs.

Vertical Through-hole USB Connector

Vertical through-hole PCBs are suitable for high-density applications. Here, USB connectors have a similar placement to the vertical-mount plug connectors. But, they use through-hole technology during the placement of connectors.

USB PCB Mount

Besides, you can categorize USB circuit boards based on their use. Such as:

• USB sound card PCB
• USB charger PCB
• USB FPC flex PCB

But, one thing is common among all of them and that is high-quality. There is no compromise in the case of performance. That’s why these PCBs gain consumer’s trust significantly.

How Do Micro Connectors Affect USB PCBs?

Micro connectors used in USB PCBs are vulnerable to external stresses. They can’t tolerate high vibration and thermal pressure due to a lack of robustness. Besides, Frequent plug-ins and plug-out cause separation from the circuit board after a certain period.

That’s why it is mandatory to take some safety measures while using micro USB PCB connectors in electronic projects. Such as applying the vertical through-hole mounting or mid-mount process. It delivers sufficient robustness in micro USB connectors.

Female Micro USB Connector

Again, you can use rubber made of silicon on these connectors. Rubber renders required support to resist mechanical stresses to a great extent.

What Are The Common Causes Of A USB PCB Malfunction?

USB PCB can’t function at its highest level due to several reasons. Let’s have a look at some causes of malfunctioning this PCB.

Defective Ports

Defective USB ports are the most common cause that reduces the functionality of the USB PCB board. Sometimes, ports get broken because of extreme mechanical forces. Then USB connectors are not capable of transferring information to different appliances smoothly.

Temperature Change

Sudden falls and rises in temperatures are not good for this PCB. Temperature change hampers dielectric material’s durability and functionality. Moreover, it is harmful to maintaining a stable impedance.

Hardware failure

Loose wire bonding between the USB port to the motherboard is highly responsible for deficiency in the PCB. Besides, faulty micro USB PCB controllers can cause complications in data transmission through USB connectors.

Software Issue

Improper software configuration and virus attacks are the silent killers in this sector. So, it is essential to regulate software settings and drivers to avoid such hassles.

USB PCB Malfunction

Improper Use Of Cable

If you don’t use stable and robust extension cables for high-speed signal transmission, you need to face the consequences. Usually, cables used in type-A USB are not suitable for type-B or type-C connectors. So, you should choose the right cables based on the types of USB connectors.

Last, but not least, is using defective components. You should take care of these factors for experiencing the highest performance of USB connectors connected to the PCB.

What Are The Limitations Of USB PCB?

USB PCBs also have some limitations. You need to consider these disadvantages while choosing USB connectors for your applications. Such as:

• Some circuit boards like USB flash drive PCBs are vulnerable to security threats and malware contamination.
• Mini USB PCB connector’s longevity is not as impressive as other USB connectors.
• You have to provide additional care to keep it safe from mechanical stresses due to its less robust design.

You can easily reduce these limitations by taking an intelligent approach. It is important to get your USB circuit boards from a trustworthy manufacturer. You must check the qualities of the PCB components.

Contact us. We have been delivering manufacturing service of this PCB for more than 15 years. Our products are RoHS certified. So the product quality is beyond question.

How Do You Control The Quality Of USB PCB?

Quality control is a mandatory part of USB PCB manufacturing. You can conduct automated optical tests, X-ray inspection, in-circuit tests, flying probe tests to verify the quality of this PCB.

In the case of the AOI test, a well-configured machine takes photographs and matches them with ideal PCB designs. Thus this machine detects different faults of USB connectors.

PCB Quality Control

Besides, the flying probe tests involve several probes to find errors in solder joints, current rating, etc. Functional tests are effective to check the functionality of this PCB in a real environment.

Can A USB PCB Transmit Bidirectional Signals?

USB C PCB connectors can transmit bidirectional signals with higher efficiency. These are capable of transferring audio-visual signals in both ways. That’s why bidirectional USB Type-C PCB connectors enable you to charge a device through another electronic appliance.

USB Bidirectional PCB

But, improper connection and design layout can cause serious damage to the entire project. So, you need to be very careful while using bidirectional USBs in circuit boards.

What Is The Difference Between Type-A, Type-B, And Type-C USB PCB Connectors?

USB PCB connectors are usually of three types. USB type-A, type-B, and type-C connectors indicate the shape, wire connections, etc of plug and ports. Here, we present a comparative analysis between these three USB types for your convenience.

Shape

USB type-A connectors are usually rectangular. On the contrary, type-B USB connectors have a square shape along with a smaller size. There are numerous shapes of this type which are very popular at present. Such as:

• Standard type-B connector
• Mini type-B connector
• Micro USB PCB type-B

USB C PCBs are slightly larger than type-B. These 24-pin USB connectors are rotationally symmetric. That’s why you don’t need to think about the orientation while inserting this connector into a gadget.

Use

All of these USB types have distinct applications. Type-A USB ports are generally used in host electronic appliances. Like game consoles, keyboards, PC, laptops, media players, mice, and so on. You can rarely find these ports in peripheral appliances.

Type-B USB connectors have typical use in peripheral devices. For example, hard drives, phones, printers, scanners, etc. Mini USB connectors are larger than micro USB PCB connectors. In the case of advanced tablets and smartphones, micro USB type-B connectors have superior utilization.

USB C PCB is compatible with the latest computers, Macbook Pro. Since these connectors are newer in the market, you need to face some issues like decreased charging rate because of the different USB versions.

Male USB Type C PCB Connector

Connection

Type-A USB female port receives type-A male USB connector in electronic devices. Similarly, when a type-B connector plugs into an appliance, it is considered a male port. But, the receiver port is known as the female type-B port.

How Can You Make A USB PCB Business Card?

The USB PCB business card is special for portraying some texts while plugging into the USB connector port. A microcontroller, keyboard, LED, etc are required to make a business card through this PCB easily.

Here, LEDs deliver power to start typing and the microcontroller reproduces a keyboard through proper coding. Now, check out its steps.

Circuit

The business card circuit contains a resistor, 5V power supply, capacitor, Zener diodes, etc. Here, a decoupling capacitor is essential for reducing noise. Besides, two Zener diodes clamp the voltage and set them on the data lines.

In-circuit serial programming controls the microcontroller’s programs.

USB Connector

In this step, a Type-A USB male connector is connected to a USB female. You can use software to help these people.

Layout Design

Now, make a layout of this PCB design. Just remember, you should place D+ and D- signals simultaneously.

USB PCB Business Card

Artwork

The artwork refers to the design of text that can be shown on the business card. You should utilize design software like EAGLE, Autodesk, etc for achieving a better cinema hall.

PCB manufacturing

After the completion of designing a USB PCB layout, you should manufacture this PCB and create a Gerber file.

Connector Fixing

Now, you need to apply solder to the PADs. The USB connector requires a heavier thickness that helps you to obstruct external forces. Then, you need to perform the PCB assembly.

AVR Programming

AVR programming is useful to show text on this PCB surface. Then, make a USB keyboard by using a well-programmed V-USB. After that, your USB business card PCB gets operative. You can use it with immense flexibility.

What Is The Operating Temperature Of The USB PCB?

The USB PCB board covers a wide temperature range during its operation. It is operative in extreme cold as well as high temperatures. Its typical working temperature varies from -5⁰C to 110⁰C. But, it fluctuates in some conditions.

This PCB contains effective materials that have impressive tolerance against thermal stresses. Besides, Its heat distribution is also good enough to improve thermal conduction.

It has a low CTE (Coefficient of thermal expansion) and high TG (glass transition temperature). Thus, components of these PCB connectors withstand by keeping their electrical and mechanical properties.

Which Component Mounting Is Suitable For USB PCB Assembly?

USB PCB supports both surface mount and through-hole technologies during PCB assembly. It varies concerning the types of USB connectors. To get a compact device with supreme efficiency, SMT is the best.

USB Surface Mount PCB Component

But, THT renders impressive robustness and durability in military and aerospace equipment. So, it depends on your projects.

Generally, top-mount and bottom-mount PCB connectors use SMT. On the other side, mid-mount, vertical plug, and vertical through-hole USB PCB mount support through-hole technology.

Is A USB PCB Waterproof?

USB PCB is waterproof to a certain extent. It is composed of conformal coatings like silicone, perylene, etc. These coatings deliver superlative resistance against moisture and dust significantly.

Waterproof Micro USB Connector With PCB

Besides, this PCB consists of encapsulated resin materials. Resin encapsulation is also a good technique for USB waterproof PCB connectors. You should use a proper enclosure that will act as a shield against rapid water flow.

Which Soldering Process Is The Best For USB PCB Manufacturing?

Soldering in a USB PCB board refers to patching electrical sheets on the PCB surface. Among different types of soldering processes, SMT and wave soldering are highly effective for this circuit board.

SMT Soldering

Soldering through the surface mount technology (SMT) allows a manufacturer to place the PCB components on both sides of the board. It is possible because there is no need to use wire connections in the PCI.

SMT soldering is worthwhile for high-density PCB-based applications. Besides, you can apply SMD and through-hole components through this process. But, it is expensive compared to other soldering methods.

THR Soldering

THR is the short form of through-hole reflow. Here, resin materials are used in the solder paste whose transition temperature is around 100⁰C. You need to control the heat that is applied to melt the solder.

USB PCB Soldering

When the melted solder reaches the PCB surface through the reflow chamber, reduce the temperature. Then it gets attached to the component’s terminal permanently.

Wave soldering is also a conventional soldering process of the USB circuit board connectors. But, its use is not as common as SMT and THR in this case.

Conclusion

USB connectors improve your data propagation rate to a large extent along with maintaining the signal’s integrity. Its outstanding features promote the device’s performance. PCBMay delivers the most worthwhile manufacturing service of this PCB in recent times.

We have tried to explain all factors related to this effective circuit board. We hope you will benefit from this FAQ guide and enjoy the premium experience of electronic appliances. In the case of any more queries, contact us immediately.