SMT Automotive PCBA Quick Turn Circuit Boards 2.5mm For ADAS Controller
Automotive PCBA Safety Assist PCBA Multi-sensor Fusion for ADAS Controller
♦ What's Automotive PCBA?
Automotive PCBA, or automotive printed circuit board assembly, is a finished product formed by assembling electronic components onto automotive printed circuit boards (PCBs) through welding and other processes. It is the core carrier of automotive electronic systems and is widely used in automotive power systems, body control, safety assistance, infotainment, and autonomous driving systems, such as engine control units, battery management systems, and anti-lock braking systems.
♦ Features of Automobile Safety Auxiliary PCBA
- High reliability: high and low temperature resistance/vibration resistance, adaptable to harsh environment.
- Fast response: millisecond-level processing, precise control of braking/steering.
- High integration: multiple modules in one, saving space.
- Strong anti-interference: excellent EMC design, ensuring system stability.
- .Flexible expansion: support function customization and upgrade.
- Safety redundancy: fault self-checking + backup mechanism to ensure basic functions.
♦ Types of Automotive PCB Assemblies:
| Application | PCB Requirements | Examples |
|---|---|---|
| Engine Control Unit (ECU) | High-temperature resistance, EMI shielding | Fuel injection, ignition timing |
| Infotainment System | High-speed signal integrity, multilayer | Touchscreens, GPS, Bluetooth |
| ADAS (Radar/LiDAR) | RF/microwave PCBs, low-loss materials | Collision avoidance, adaptive cruise control |
| EV Battery Management (BMS) | High-current PCBs, thermal management | Cell balancing, charge monitoring |
| LED Lighting | Aluminum PCBs for heat dissipation | Headlights, interior lightin |
♦ DQS's PCB Assembly Capability
|
Item |
Normal |
Special |
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|
SMT Assembly |
PCB(used for SMT) specification |
Length and Width( L* W) |
Minimum |
L≥3mm, W≥3mm |
L＜2mm |
|
Maximum |
L≤800mm, W≤460mm |
L ＞ 1200mm, W＞500mm |
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|
Thickness( T) |
Thinnest |
0.2mm |
T＜0.1mm |
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|
Thickest |
4 mm |
T＞4.5mm |
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|
SMT components specification |
Outline Dimension |
Min size |
0201(0.6mm*0.3mm) |
01005(0.3mm*0.2mm) |
|
|
Max size |
200 * 125 |
200 * 125 |
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|
component thickness |
T≤15mm |
6.5mm＜T≤15mm |
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|
QFP,SOP,SOJ (multi pins) |
Min pin space |
0.4mm |
0.3mm≤Pitch＜0.4mm |
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|
CSP/ BGA |
Min ball space |
0.5mm |
0.3mm≤Pitch＜0.5mm |
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|
DIP Assembly |
PCB specification |
Length and Width( L* W) |
Minimum |
L≥50mm, W≥30mm |
L＜50mm |
|
Maximum |
L≤1200mm, W≤450mm |
L≥1200mm, W≥500mm |
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|
Thickness( T) |
Thinnest |
0.8mm |
T＜0.8mm |
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|
Thickest |
3.5mm |
T＞2mm |
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