Automotive PCB Manufacturer
Specification Priorities
What Keeps an Automotive PCB Reliable Across Vehicle Life
An automotive board has to carry current through temperature cycling, vibration and rising pack voltages for the life of the vehicle. Copper weight, laminate Tg and via plating decide how long it does so. Clearance and creepage tighten as EV pack voltages rise, so spacing is settled before release. Buyers assess an automotive PCB manufacturer on the laminates it processes, the plating it can verify and the testing behind each board. PC Process has manufactured in-house since 1983, reviews copper weight and spacing at the DFM stage, and applies AOI, electrical testing and CMI checks to every unit. Copper weight sized to current and allowed temperature rise
- High-TG laminate that holds up through thermal cycling
- Clearance and creepage set for the working voltage
- Via plating verified by CMI for current and thermal strain
- FR4, high-TG and Rogers materials chosen for the operating environment
- ENIG or HASL finish, with electrical test on every board

Vehicle Systems
Key Automotive Electronics and Manufacturing Applications
Powertrain and Engine Control
Engine and transmission control units sit in high-temperature, high-vibration zones. Multilayer PCBs for automotive electronics in this zone pair high-TG laminate with consistent via quality.
Electric Vehicle Electronics
Traction inverters, on-board chargers and DC-DC converters move high current at rising voltages. Heavy copper PCBs for automotive power electronics carry that current with controlled temperature rise, with spacing set for the working voltage.
Battery Management Systems
Cell monitoring boards measure many channels accurately across a pack. Clean insulation, defined creepage and consistent plating protect measurement accuracy across the life of the battery.
Safety and ADAS Electronics
Camera, radar and sensor-fusion boards carry fast signals where trace geometry defines performance. Controlled impedance PCBs for automotive ADAS rely on measured impedance, and RF layers can be built on Rogers materials.
Automotive Lighting Systems
LED lighting modules concentrate heat in a small area. Copper distribution, thermal path and laminate choice determine LED temperature and service life.
Infotainment and Connectivity
Head units, telematics and connectivity modules pack dense routing and high-speed interfaces into limited space. Multilayer construction up to 24 layers and controlled impedance support these designs.
Role in the System
How Reliable PCBs Support Modern Automotive Electronics
Efficient Power Distribution
Copper weight and plane design keep voltage drop and trace heating within limits across power rails.
Thermal Management
Copper, laminate and via design move heat away from power devices, which extends component life.
Compact Electronic Designs
Multilayer construction places more functions in the limited volume available in a vehicle, and stack-up control keeps layers aligned.
Signal Integrity
Controlled trace geometry and measured impedance keep high-speed sensor and network signals clean.
Vehicle Safety and Control
Braking, steering assistance and restraint electronics rely on boards whose connections hold over the life of the vehicle. Electrical testing verifies those connections.
Environmental Durability
Laminate selection, surface finish and plating quality protect boards from humidity, temperature change and vibration.
Engineering Inputs
Design Decisions to Settle Before Automotive PCB Release
- Copper weight: Current per net and the allowed temperature rise set conductor width and copper thickness.
- Thermal management: Mounting location, heat paths and laminate Tg are defined together, since each one changes the temperature the board reaches.
- Board material: FR4 covers general control electronics, high-TG grades cover sustained heat and cycling, and Rogers covers RF layers.
- Voltage spacing: Clearance and creepage follow working voltage, pollution degree and the laminate CTI rating.
- Via design: Plating thickness and via size are specified for the current and thermal cycles each via will see, and CMI measures the plating.
- Layer stack-up: Automotive PCB multilayer manufacturing depends on a stack-up that balances copper, dielectric thickness and impedance targets. See our multilayer PCB and controlled impedance PCB pages.

Certifications and Testing
Quality Checks and Manufacturing Standards for Automotive PCBs
- ISO 9001:2015: The quality management system followed across processes at PC Process.
- LCSO under JSS 52302: Quality certification under the Indian defence supplier standard, held by PC Process. conductors.
- AOI Inspection: Automated optical inspection checks board features for manufacturing defects.
- Electrical Testing: Verifies connectivity and electrical performance of the finished board.
- Copper and Plating Thickness Checks: CMI testing helps maintain specified thickness requirements.
- Customer Specifications: Requirements are reviewed against the design, material and performance specifications you provide.
Industry Footprint
Vehicle Systems That Depend on Automotive PCBs
Engine Management Systems
Engine and transmission control units work in high heat and vibration, so laminate Tg and via plating decide their service life.
Automotive Power Electronics
Converters and motor drives use heavy copper to carry high current with a limited temperature rise.
Electric Vehicles
Traction and drive electronics pair high current with rising pack voltages, so copper weight and creepage are set together.
Battery Charging Systems
On-board and external chargers need verified plating and spacing set for the working voltage.
Vehicle Infotainment
Displays, audio and connectivity modules need dense multilayer routing in limited cabin space.
Automotive Lighting
LED headlamp and signal modules concentrate heat, so copper distribution and thermal path set LED life.
Automotive Safety Systems
Restraint, braking and stability electronics need connections that hold over the life of the vehicle, confirmed by electrical tests.
ADAS and Sensor Systems
Camera, radar and sensor-fusion boards carry fast signals, so controlled impedance and stack-up control matter.
Production Route
Our In-House Automotive PCB Manufacturing and Quality Control Process
As an automotive PCB prototype manufacturer, PC Process runs 100% of production in-house, from DFM review to final test. Every board stays under one quality system with full traceability.
Step 1
In-House DFM Review
Our engineers review Gerber files, copper weight, stack-up and spacing requirements before production starts.
Step 2
Laser Direct Imaging
LDI images the circuit pattern without film, which removes registration error and delivers sub-25 µm accuracy on outer layers.
Step 3
Optical and Electrical Testing
AOI and electrical testing verify circuit quality and connectivity.
Step 4
CMI Thickness Checks
Copper and plating thickness are verified against the manufacturing specification.
Send your stack-up, copper weight and spacing requirements for a free DFM review.
Trusted Since 1983
Customers Who Rely on PC Process for Reliable Boards






















Direct From Customers
Feedback From Teams That Build With PC Process
What does an automotive PCB manufacturing company do?
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Buyer Questions