2 Layers SMT PCB Assembly pcba board Prototype Service Green Soldmask White Silk Screen


Detail Specifications:

What KAZ Circuit can do for you:

• PCB & PCBA Design
• PCB manufacturing (prototype, small to medium, mass production)
• Components Sourcing
• PCB Assembly/SMT/DIP

To get a full quotation of the PCB/PCBA, pls provide the information as below:

• Gerber File, with detail specification of the PCB
• BOM List (Better with excel fomart)
• Photoes of the PCBA (If you have done this PCBA before)

Company Informaiton:
KAZ Circuit is a professional PCB manufacturer from China since 2007, also provide PCB Assembly service for our customers. Now with about 300 employees. Certified with ISO9001,TS16949, UL, RoHS. We are confident to provide you quality products with factory-directed price within the fastest delivery time!

Manufacturer Capacity:

SMT Capacity

SMT PCB assembly refers to the process of manufacturing a printed circuit board (PCB) using surface mount technology, where electronic components are placed and soldered directly to the PCB surface rather than inserted through holes.

Key aspects of SMT PCB assembly include:

Component placement:
SMT components such as resistors, capacitors, integrated circuits (ICs) and other surface mount devices are placed directly on the PCB surface using automated pick and place machines.
Precise component placement is critical to ensure accurate alignment and reliable electrical connections.

Solder paste deposition:
Solder paste is a mixture of solder alloy particles and flux that is selectively deposited on the copper pads of a PCB using stencil printing or other automated processes.
Solder paste acts as an adhesive and conductive material that will form the electrical connection between the components and the PCB.

Reflow soldering:
After the components are placed, the PCB assembly goes through a reflow soldering process that heats the board in a controlled environment to melt the solder paste and form electrical and mechanical connections between the components and the PCB.
Reflow profiles including temperature, time and atmosphere are carefully optimized to ensure reliable solder joints.

Automatically detect:
After the reflow process, PCB assemblies are automatically inspected using a variety of techniques, such as optical inspection, X-ray inspection, or automated optical inspection (AOI).
These inspections help identify and correct any problems such as soldering defects, component misalignment or missing components.

Testing & Quality Control:
Comprehensive testing, including functional, electrical, and environmental testing, is performed to ensure that PCB assemblies meet required specifications and performance standards.
Implements quality control measures, such as statistical process control and failure analysis, to maintain high manufacturing standards and product reliability.

The advantages of SMT PCB assembly:

Higher Component Density: SMT components are smaller and can be placed closer together, resulting in a more compact, smaller PCB design.

Improved reliability: SMT solder joints are more resistant to vibration, shock and thermal cycling than through-hole connections.

Automated manufacturing: The SMT assembly process can be highly automated, increasing production efficiency and reducing manual labor.

Cost-Effectiveness: SMT assembly can be more cost-effective, especially for high-volume production, due to reduced material and labor costs.

SMT PCB assembly applications:

Consumer Electronics: Smartphones, Tablets, Laptops, and Other Portable Devices

Industrial electronics: control systems, automation equipment and power electronics equipment

Automotive electronics: engine control units, infotainment and safety systems

Aerospace and defense: avionics, satellite systems and military equipment

Medical devices: diagnostic equipment, implantable devices and portable healthcare solutions

SMT PCB assembly is a foundational technology used to produce compact, reliable, and cost-effective electronic devices in a variety of industries.

Portable power stations usually include the following major components:

Battery pack: Provides primary power storage, typically consisting of lithium-ion batteries. The PCB requires a battery management system (BMS) to monitor the battery status and protect the battery from overcharge/overdischarge.

Inverter circuit: Converts the battery's DC power into AC power output to power various devices. An inverter circuit requires components such as inductors, capacitors and power semiconductor devices.

Charging circuit: Responsible for charging the internal battery pack and supports multiple input sources such as AC power and solar panels. Charging circuit includes switching power supply, current sensing, temperature monitoring, etc.

Input/output connectors: Provides USB ports, DC outlets, and other connectors for connecting and charging external devices. The interface module requires voltage regulation and protection circuits.

Control circuit: manages the overall operation of the power plant, including battery status monitoring, output power control, display driver, etc. Often implemented using a microcontroller.

Thermal Design: Consideration of the heat generated by power supply components requires careful PCB layout to establish appropriate thermal paths.

Portable power station PCB design requires balancing factors such as battery capacity, output power, size, and weight. It requires well-coordinated circuit topology and layout design with a strong emphasis on safety.

Photoes of this PCB, PCBA service, one stop Electronic manufacturing service PCB Assembly for Audio products