# Double Sided Aluminum PCB for Motor

_Published: 2025-08-13_

Table of Contents

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- Why Choose Double Sided Aluminum PCB for Motor?
- Applications of Double Sided Aluminum PCB in Motor
- Motor Double Sided Aluminum PCB Design Guide
- Motor Double Sided Aluminum PCB Thermal Solution
- Motor Double-Sided Aluminum PCB Quality-Cost Optimization‌
- Our Motor Double Sided Aluminum PCB Case Studies
- Why Choose EBest Circuit (Best Technology) as Aluminum PCB Manufacturer?

Why choose [double sided aluminum PCB](https://www.bestpcbs.com/blog/2025/08/double-sided-aluminum-pcb-for-motor/)for motor? Let’s discover its benefits, application, design guide, thermal solution, cost and quality balance methods.

**Are you worried about these issues?**

- Is sustained high temperature causing a shortened motor lifespan?
- Traditional PCBs have poor heat dissipation, making efficiency difficult to achieve?
- Double-sided device layouts are complex, causing heat dissipation conflicts?

**EBest Circuit (Best Technology) can provide solutions:**

- Double-sided aluminum substrate with three-dimensional heat dissipation (aluminum substrates conduct heat from both sides, increasing heat dissipation efficiency by 60%)
- Highly thermally conductive insulation layer design (middle layer material withstands temperatures up to 180°C, preventing heat accumulation)
- Optimized copper layer via arrays (increases vertical heat conduction speed by three times, resolving layout conflicts)

**Welcome to contact us if you have any request for [aluminum PCB](https://www.bestpcbs.com/products/metal-core-pcb.htm): sales@bestpcbs.com.**

## Why Choose Double Sided Aluminum PCB for Motor?

Reasons why choose[double sided aluminum PCB](https://www.bestpcbs.com/blog/2025/08/double-sided-aluminum-pcb-for-motor/) for motor:

**‌Superior Heat Dissipation‌**

- Aluminum cores (e.g., 6061/5052 alloys) provide ‌200W/mK thermal conductivity‌, preventing overheating in high-power motor drivers.
- ‌50% lower thermal resistance‌ vs. FR4, ensuring stable performance under heavy loads.

**‌Enhanced Mechanical Durability‌**

- Matched CTE with motor components reduces ‌thermal stress fractures‌.
- ‌30% higher bending strength‌ than ceramic substrates, ideal for vibration-prone environments.

**High-Density Circuit Design‌**

- Double-sided wiring via ‌via metallization‌ increases component density by ‌60%‌ compared to single-layer boards.
- Supports ‌fine-line etching (0.05mm)‌ for complex motor control circuits.

**‌Cost-Effective for High-Power Applications‌**

- Eliminates the need for bulky heatsinks, cutting ‌assembly costs by 20%‌.
- ‌Longer lifespan‌ in harsh conditions (e.g., EVs, industrial motors).

**Signal Integrity Boost‌**

- ±5% impedance control‌ minimizes EMI in PWM-sensitive motor control signals.
- Low dielectric constant (εr~4.5) ensures stable high-frequency performance.

[https://www.bestpcbs.com/blog/wp-content/uploads/2025/08/main-18.jpg](https://www.bestpcbs.com/blog/wp-content/uploads/2025/08/main-18.jpg)

## Applications of Double Sided Aluminum PCB in Motor

- High-Efficiency Motor Drives: Enables 98%+ power conversion efficiency in BLDC/PMSM controllers via low-loss copper traces and thermal management.
- Electric Vehicle (EV) Traction Systems: Withstands 200°C+ peak temperatures in inverter modules under continuous 100kW+ load. Such as Tesla Model 3’s motor controller adopts similar Al PCB for 30% smaller form factor.
- Robotics & Automation: Vibration-resistant design ensures stable operation in robotic joints (e.g., UR10e’s 6-axis motors).
- Renewable Energy Motors: Wind turbine pitch control systems leverage Al PCB’s UV resistance for outdoor reliability. Such as solar tracking motors show 20% longer MTBF with Al PCB.
- Aerospace & Defense: MIL-PRF-55182 certified for extreme environments (e.g., drone motor controllers at -55°C~125°C).

## Motor Double Sided Aluminum PCB Design Guide

**1. Requirement Analysis & Specification Lock**

- Current/Voltage Mapping: Identify high-current zones (e.g., IGBT/MOSFET arrays) and voltage isolation needs.
- Thermal Profile: Define max operating temp (e.g., 125°C for automotive ECUs) and ambient cooling.
- Space Constraints: Measure enclosure dimensions for PCB stacking (e.g., BLDC motor height 50,000 hours.
- Precision Signal Integrity: Low-loss PTFE dielectric (Dk=2.2–3.5) ensures clean PWM signals up to 500kHz. Passes EMC standards (CISPR 11) without additional shielding, saving 500–1,500 per unit.
- Vibration & Shock Resistance: CTE-matched design (23 ppm/°C) prevents solder joint fatigue. Survives 5–500Hz vibration tests (IEC 60068-2-6), reducing field failures by 60%.
- Cost-Effective Scalability: 30% cheaper than ceramic substrates at similar performance. Lowers prototyping costs by 2,000–5,000, accelerating R&D cycles.
- ISO-Certified Compliance: Pre-qualified for automotive (IATF 19649) and medical (ISO 13485) standards. Exempts secondary testing, cutting compliance costs by 30% and time by 50%.
- Free DFM Optimization: AI-driven layout analysis flags trace spacing, via placement, and material mismatches. Reduces redesigns by 80% and material waste by 25%.
- Rapid Prototyping (24-Hour Turnaround): In-house laser drilling and plating lines enable same-day fabrication. Shortens R&D cycles by 50%, accelerating time-to-market by 4–6 weeks.

Welcome to contact us if you have any request for aluminum PCB: **[sales@bestpcbs.com](mailto:sales@bestpcbs.com)**.