BGA Assembly
BGA Assembly
Last Updated: Nov 18, 2025
What is BGA assembly?
Current Popular BGA Packages
FPGA (Field Programmable Gate Array) are integrated circuits often sold off-the-shelf.
FC-BGA (Flip Chip Ball Grid Array)
WLCSP (Wafer Level Chip Scale Package)
Common BGA Packaging Structure
Plastic Ball Grid Array, Chip Wire Bonded
Ball Grid Array, Flip Chip Bonded
BGA Assembly Capabilities
| Capability | Standard |
|---|---|
| Types of BGA |
- Plastic Laminate BGA (PBGA) - Tape Ball Grid Array(TBGA) - Ceramic Ball Grid Array (CBGA) - Flip Chip Ball Grid Array (FCBGA) - Enhanced Ball Grid Array (EBGA) - Micro BGA - Package on Package (PoP) - Chip Scale Package (CSP) - Wafer level chip scale packaging (WLCSP) |
| BGA CSP |
Package Dimension: from 5mm x 5mm to 45mm x 45mm Minimum Solder Ball Pitch: 0.3 mm/0.5 mm Minimum Solder Ball Diameter: 0.15 mm/0.25 mm Minimum Solder Ball Height: 0.25mm |
| Chip Package |
BGA/LGA/HDA/POP/uBGA/WLCSP/CSP |
| Quality Assurance |
- Automated Optical Inspection - X-ray inspection - Functional Testing |
| BGA rework |
- PCB Reballing - BGA Site Modification - Correcting Damaged or Missing BGA Pads - Component removal and replacement |
Common BGA Packaging Structure
High Density and Versatility
Although the number of I/O pins in BGA packaging has
increased, the pitch between pins is relatively large, which
enhances the assembly yield. This makes BGA the optimal choice
for high-density, high-performance, multi-functional, and high
I/O pin packaging.
High Reliability
BGA packaging uses coplanar soldering in assembly, which
enhances reliability.
Increased Signal Transmission Speed
Due to reduced parasitic parameters, signal transmission delay
is minimized, significantly increasing the operating
frequency.
Excellent Thermal and Electrical Performance
At the same capacity, BGA packaging compared to traditional
packaging methods (QFN, QFP, SOP) is only one-third the size
of TSOP packaging. It provides a faster and more efficient
heat dissipation path, improving electrical and thermal
performance.
BGA Product-Related Standards
To ensure flawless BGA (Ball Grid Array) integration and reliability, PCBCart adheres
to globally recognized industry standards.Below are the key frameworks guiding our processes:
IPC-7351B: PCB Design GuidelinesIPC-A-610: Assembly Acceptance CriteriaPCB Assembly CapabilityPCB Fab Capability
This standard primarily serves as a reference for designing
printed circuit boards (PCBs). For BGA components, IPC-7351B
offers detailed instructions on:
Pad Layout: Specifications for designing the shapes and sizes of pads to ensure proper alignment and contact with BGA solder balls.
Spacing and Tolerances: Guidelines for maintaining adequate spacing between pads and setting acceptable tolerances to prevent issues like bridging and misalignment during assembly.
Design Optimization: Strategies for adjusting PCB designs to accommodate different types of BGA packages, thereby reducing soldering defects and enhancing the overall reliability of the electronic assembly
Pad Layout: Specifications for designing the shapes and sizes of pads to ensure proper alignment and contact with BGA solder balls.
Spacing and Tolerances: Guidelines for maintaining adequate spacing between pads and setting acceptable tolerances to prevent issues like bridging and misalignment during assembly.
Design Optimization: Strategies for adjusting PCB designs to accommodate different types of BGA packages, thereby reducing soldering defects and enhancing the overall reliability of the electronic assembly
Focused on electronic assembly quality, this standard defines
rigorous evaluation metrics for BGA soldering, including:
Solder Joint Integrity: Assessment of joint shape, size, and positioning.
Defect Identification: Criteria for detecting voids, cracks, or misalignment.
Visual & Mechanical Inspection:: Compliance benchmarks for long-term performance.
Solder Joint Integrity: Assessment of joint shape, size, and positioning.
Defect Identification: Criteria for detecting voids, cracks, or misalignment.
Visual & Mechanical Inspection:: Compliance benchmarks for long-term performance.
This framework optimizes reflow soldering processes for BGA
components, emphasizing:
Temperature Profiling: Precision control of preheat zones, peak temperatures, and cooling rates.
Process Consistency: Guidelines to prevent thermal shock and ensure uniform solder joint formation.
Reliability Enhancements: Mitigation of defects like head-in-pillow or bridging.
Temperature Profiling: Precision control of preheat zones, peak temperatures, and cooling rates.
Process Consistency: Guidelines to prevent thermal shock and ensure uniform solder joint formation.
Reliability Enhancements: Mitigation of defects like head-in-pillow or bridging.
This standard governs PCB fabrication quality, with BGA-specific
requirements such as:
Pad Surface Condition: Smoothness, oxidation resistance, and cleanliness.
Aperture Tolerances: Drill-hole accuracy for via-in-pad or microvia designs.
Material Integrity: Layer alignment and substrate durability under thermal stress.
Pad Surface Condition: Smoothness, oxidation resistance, and cleanliness.
Aperture Tolerances: Drill-hole accuracy for via-in-pad or microvia designs.
Material Integrity: Layer alignment and substrate durability under thermal stress.
BGA Product Assembly Process at PCBCart
At PCBCart, our process for assembling BGA (Ball Grid Array) components is all about precision and quality. From the moment materials arrive, every phase—initial material inspection, precision soldering, meticulous testing, and secure packaging—follows industry standards and meets our clients' needs. Our experienced technicians use advanced technology and skilled techniques, with strong quality checks throughout, to create high-performance and reliable BGA products. Trust PCBCart to turn your designs into strong and dependable solutions, ensuring every detail is perfect.
Our BGA Assembly Products Showcase
BGA (imaging sensor)
BGA (imaging sensor)
WLCSP (Controller + Storage)
FPGA (Programmable device)
FPGA& FC-BGA (Programmable device + Storage)
FPGA (Programmable device + Storage)
Why Partner with PCBCart?
By integrating these standards, PCBCart ensures robust, high-yield BGA assemblies that meet the demands of cutting-edge applications. Let us turn your designs into dependable, industry-compliant solutions.
Standards-Driven Excellence
Every design and assembly step aligns with IPC benchmarks
Defect Prevention
Proactive optimization of layouts and processes for zero-failure
outcomes
Manufacturing Guide
- PCB Stackup Basics
- Tolerance Checklist
- Material Selection Tips
Assembly Insights
- SMT Process Overview
- BOM Optimization Notes
- AOI Review Points
Order Support
- Quote Preparation
- Shipping and Tracking
- After-sales FAQ
