Technical Support

LiTong provides comprehensive technical documentation for Longsys products including detailed datasheets with electrical specifications and timing diagrams, application notes covering common design scenarios, reference designs with complete schematics and PCB layouts, and firmware tools for storage management. All documentation is available in English and Chinese and can be downloaded from our website or requested directly from our FAE team. We also provide customized application notes for specific customer requirements.

Browse our technical library or contact LiTong FAEs for specific documentation requests.

LiTong provides multiple channels for technical support including phone support during business hours, email support with 24-hour response time, online chat through our website, and on-site support for major customers. Our FAE team can assist with product selection, design review, troubleshooting, and optimization. For complex issues, we can escalate to Longsys engineering team for direct support.

Contact LiTong FAEs through your preferred channel for prompt technical support.

Yes, LiTong provides reference designs for various applications including automotive infotainment, industrial control, consumer electronics, and data center storage. Reference designs include complete schematics, PCB layout files, BOM lists, and software integration guides. These designs have been validated and can significantly accelerate your development. Contact our FAE team to request reference designs relevant to your application.

Request reference designs from LiTong FAEs to accelerate your development.

LiTong aims to respond to technical inquiries within 24 hours for standard questions. For complex design reviews or troubleshooting, we typically provide initial response within 24 hours with detailed analysis within 2-3 business days. For urgent issues, we offer expedited support with same-day response. Our FAE team is committed to providing timely and effective support to keep your projects on schedule.

Expect 24-hour response for standard inquiries, faster for urgent issues.

Yes, LiTong offers comprehensive design review services for customers using Longsys products. Our FAE team can review your schematics, PCB layouts, and system designs to identify potential issues and optimization opportunities. Design reviews typically cover power supply design, signal integrity, thermal management, and EMC considerations. Contact our FAE team to schedule a design review for your project.

Submit your design files to LiTong FAEs for comprehensive design review.

Yes, LiTong provides samples for qualified customers to support prototyping and evaluation. Sample requests can be submitted through our website or by contacting our sales team. We typically ship samples within 3-5 business days for standard products. For specialized or high-value products, sample availability may vary. Our FAE team can also provide evaluation kits and reference designs to support your prototyping efforts.

Contact LiTong sales or submit sample request through website.

LiTong offers various training options for Longsys products including online webinars, in-person technical seminars, and customized on-site training for high-volume customers. Training topics cover product overview, application design, troubleshooting, and best practices. Our FAE team can also provide one-on-one training for specific customer needs. Contact us to learn about upcoming training events or to request customized training.

Contact LiTong for training schedule and customized training options.

Technical issues or product defects can be reported through LiTong technical support channels including email, phone, or online support portal. Please provide detailed information including product part number, batch code, application description, and issue symptoms. Our FAE team will investigate and provide resolution or escalate to Longsys quality team if necessary. We are committed to resolving issues promptly and maintaining high product quality.

Contact LiTong technical support with detailed issue information for prompt resolution.