Impedance controlled printed circuit boards (PCBs) are the core components of in-vehicle infotainment systems, directly determining the stability of signal transmission and serving as the key to the efficient operation of the system, suitable for various in-vehicle intelligent terminal needs.
Core Advantages
Combining the working characteristics and industry needs of in-vehicle infotainment systems, this product forms core competitiveness in terms of performance, reliability, and cost. The specific advantages are as follows:
- Precise Impedance: The tolerance is controlled within ±10% (±5% for high-end models), compatible with in-vehicle protocols such as CAN bus and LVDS, ensuring interference-free signal transmission and compliance with industry standards.
- Automotive-Grade Reliability: Made of special automotive-grade base materials, suitable for a wide temperature range of -40℃~125℃, with vibration resistance and oxidation resistance. The immersion gold + OSP process extends service life.
- High Integration & Low Cost: Supports 8-12 layer customization, with HDI design integrating multiple functions, simplifying assembly and reducing procurement and manufacturing costs.
- Compliance & Compatibility: Optimized through EMC, compliant with CISPR 25 and ISO 26262 standards, and compatible with the specifications of mainstream global automakers.
The above core advantages support each other, not only ensuring the stable operation of the product but also meeting the core needs of automakers for cost reduction, efficiency improvement, and compliant mass production.
Main Features
| Feature Type | Specific Description |
| Diversified Impedance Structures | Supports microstrip lines, striplines and other structures, matching single-ended 50Ω and differential 90Ω/100Ω, compatible with various high-speed interfaces. |
| Precise & Controllable Process | Automated etching, line width and spacing up to 3mil/3mil, TDR testing ensures mass production consistency with a qualification rate of ≥99%. |
| Strong Customization | Compatible with chips such as Qualcomm 8155, customizable in layers and sizes to meet the installation needs of different vehicle models. |
| Green & Environmentally Friendly | Lead-free and halogen-free, compliant with RoHS and REACH standards, meeting the needs of new energy automakers. |
Frequently Asked Questions
Q1: Why do in-vehicle infotainment systems need impedance controlled PCBs?
A1: High-speed signal transmission requires impedance matching; otherwise, problems such as freezes and malfunctions may occur. Impedance control ensures signal integrity.
Q2: What is the impedance tolerance and mass production consistency of the product?
A2: Regular models have a tolerance of ±10%, high-end models ±5%. Mass production consistency is guaranteed through base material control and TDR testing, with a qualification rate of ≥99%.
Q3: Is it compatible with new energy vehicles?
A3: Fully compatible, with wide temperature resistance and vibration resistance, compliant with environmental protection and safety requirements, and has been applied to many new energy vehicle models.
Q4: What about the customization cycle and after-sales service?
A4: Regular models are in stock; customized models take 7-15 days. We provide a 1-year quality guarantee, free rework for non-human quality issues, and 24-hour technical consultation.
Application Scenarios
This product provides precise adaptation solutions for different application scenarios of in-vehicle infotainment systems, covering the full range from mainstream vehicle models to customized needs, including:
- In-Vehicle Central Control Screen: Carries high-definition display, touch control, navigation and other functions, ensuring stable multi-task signal transmission.
- Automotive Rear Entertainment: Compatible with rear seat displays, avoiding signal interference with the central control and improving passenger experience.
- Intelligent Cockpit Interaction: Compatible with voice, AR-HUD and other modules to support the smooth operation of multi-modal interaction.
- In-Vehicle Networking & OTA: As the core of 5G T-BOX, ensuring stable networking and firmware updates.
- In-Vehicle Modification Market: Compatible with high-end audio and ambient light control to meet personalized needs.
The wide scenario adaptability allows the product to flexibly match various vehicle models and infotainment system configurations, which can be quickly put into use without additional modifications.
For product parameters, customization plans or quotes, please contact us through the following methods:
WhatsApp: +86 13425156463
Email: sales@toplinecircuit.com
