Control System PCB
Control System PCB – Specifications
|
Parameter |
Specification |
|
Base Material |
FR-4, High-Tg FR-4, High-CTI FR-4 |
|
Layer Count |
2 – 20 layers, or as per file |
|
Board Thickness |
0.5 – 3.5 mm, or as per file |
|
Copper Thickness |
0.5 – 6 oz, or as per file |
|
Min Trace/Space |
2.5/2.5 mil – 4/4 mil (per drawing) |
|
Min Hole Size |
0.2 mm (PTH/NPTH) |
|
Surface Finish |
ENIG, HASL (L/F), OSP, ImmAg, ImmSn, Hard Gold |
|
Solder Mask |
Green, White, Red, Black, Blue, Yellow, Purple |
|
Silkscreen |
Black / White |
|
Dimension Tolerance |
±0.10 mm |
|
Impedance Control |
±10% or per file |
When the Board Must Not Fail
A control system does one job: it executes commands. An engine control unit reads throttle position and fires injectors. A robot controller tells joints where to move. A PLC scans inputs and updates outputs. If the PCB fails, commands stop. Bad things happen. Boyastar designs Control System PCBs that do not fail.
We focus on long-term stability. Control systems run 24/7 for years. Our boards use high-Tg FR-4 to resist thermal aging. Plated through-holes get extra copper thickness to prevent barrel cracking from thermal cycling. Solder mask is applied with consistent thickness to avoid insulation breakdown. These details matter because control board failure usually means system replacement-not just a simple repair.
Signal integrity is not optional. A 5V logic signal that drops to 4.2V due to poor impedance control can cause false triggering. Our boards maintain impedance within ±10% over the entire signal path. We use differential routing for CAN, RS-485, and other communication buses. This rejects common-mode noise from nearby high-voltage circuits. Each board is 100% tested for opens, shorts, and impedance. Boyastar has manufactured PCBs since 2008. Our 19,000-square-meter plant turns out over 50,000 square meters per month. IATF 16949 and UL certifications are standard.
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