Frequently Asked Questions
Find answers to common questions about our products, services, and support
FAQ Categories
Technical Support
Questions about product specifications, applications, and technical assistance.
View QuestionsOrdering & Pricing
What is your minimum order quantity (MOQ)?
MOQ varies by product but typically ranges from 100 to 1,000 pieces depending on the specific part number. For new customers, we offer sample quantities for evaluation purposes. Contact our sales team for specific product requirements and volume discounts.
How long is your standard lead time?
Standard products have a lead time of 1-2 weeks from stock. For new part numbers or large volume orders (exceeding 10k pieces), please allow 4-8 weeks depending on Sinowealth factory allocation. For urgent requirements, we maintain a buffer inventory for key parts.
What are your payment terms?
Standard payment terms are 30% advance payment and 70% before shipment for new customers. For established customers, we offer up to 30 days net terms. Payment can be made via bank transfer or confirmed letter of credit. Special terms are available for qualified customers with good payment history.
Can I get samples of Sinowealth products?
Yes, we provide samples to qualified customers for design-in evaluation. Please provide your company information, project description, and intended application. Sample requests are processed within 2 business days. For new customers, a small processing fee may apply to cover handling costs.
What is your standard packaging?
Products are typically packed in tape & reel for automated assembly or tubes for manual insertion. Special packaging options are available for large orders. We follow JEDEC standards for moisture sensitivity and ESD protection. Custom packaging is available upon request.
Technical Support
Do you provide technical support for Sinowealth products?
Yes, our FAE team provides comprehensive technical support including design-in assistance, application development, and debugging support. Our engineers have deep expertise in Sinowealth products and can help with everything from initial concept to production. Contact our technical support team for all your support needs.
What development tools are supported for Sinowealth MCUs?
For 8-bit MCUs: Keil C51 with Sinowealth device support. For 32-bit ARM MCUs: ARM MDK, IAR, or GCC. We provide development board support, evaluation kits, and technical documentation. Our FAE team can assist with toolchain setup and configuration.
How do I get started with Sinowealth products design-in?
Contact our FAE team to discuss your application requirements. We'll recommend the most suitable products, provide reference designs, and offer technical guidance. We often provide evaluation boards and sample code to accelerate your development process. Our team provides ongoing support throughout the design-in process.
What is the difference between SH79F and SH32F series?
The SH79F series is based on enhanced 8051 core, ideal for cost-sensitive applications like home appliances. The SH32F series uses ARM Cortex-M0 core, suitable for applications requiring higher processing power and more peripherals, such as IoT sensors and industrial control systems.
Can you provide custom programming services?
Yes, we offer custom programming services for volume orders. Our programming center can program firmware, bootloader, and configuration bits to your specifications. We support tape & reel, tray, and tube formats. Contact our production team for details and requirements.
Products
What products does Sinowealth manufacture?
Sinowealth manufactures 8-bit and 32-bit MCUs, BMS chips, and display drivers. Our product portfolio includes the SH79F series (8-bit enhanced 8051), SH32F series (32-bit ARM Cortex-M0), SH36700 series (BMS), and a range of OLED/AMOLED display drivers. These products serve applications in home appliances, IoT, e-bike, power tools, and consumer electronics.
Which products are best for home appliance applications?
For home appliances, the SH79F series is most popular, especially SH79F166A for electromagnetic stoves, SH79F169A for rice cookers with touch control, and SH79F648 for air conditioner control. These offer optimal balance of cost, performance, and integration for appliance control applications.
What BMS solutions do you offer for e-bike applications?
For e-bike applications, we recommend the SH36700 series BMS chips, which are leading solutions in the Chinese e-bike market. These provide high-precision voltage monitoring, comprehensive protection features, and reliable performance for up to 13S battery configurations.
What is the operating temperature range of Sinowealth products?
Most Sinowealth MCUs and BMS chips operate from -40°C to +85°C for industrial grade and -40°C to +105°C for extended temperature versions. Specific temperature ratings vary by product model. Check the individual product datasheets for exact specifications. Automotive-grade versions are available for higher temperature applications.
Can Sinowealth products be used in automotive applications?
While Sinowealth primarily focuses on consumer and industrial markets, certain products meet automotive requirements. However, for safety-critical automotive applications, we recommend consulting with our FAE team to ensure proper product selection and compliance with automotive standards.
General Information
Is Litong an authorized Sinowealth distributor?
Yes, Litong is an authorized Level 1 distributor for Sinowealth products. This status provides us with direct access to Sinowealth engineering support, competitive pricing, and allocation priority. Our authorization ensures genuine products and reliable supply chain.
What regions do you serve?
We serve customers worldwide with our headquarters in Shenzhen, China. Our sales and technical support team can assist customers in Asia-Pacific, North America, Europe, and other regions. We have established logistics partnerships for efficient global shipping.
What certifications do your products have?
Sinowealth products are manufactured under ISO9001 quality management system. Key products have RoHS and REACH compliance certifications. For specific product certifications, please refer to the product datasheets or contact our technical support team.
How can I stay updated with new products and offers?
Subscribe to our newsletter for product updates, technical articles, and special offers. Follow us on LinkedIn for industry news and company updates. Our FAE team also sends product bulletins to registered customers. Contact us to be added to our technical mailing list.
What if I don't find my question here?
If your question is not listed in our FAQs, please contact us directly. Our sales team is available during business hours, and our technical support team can address complex technical questions. For immediate assistance, use our contact form or call our direct line.
Still Have Questions?
Our experts are ready to assist you with any inquiries not covered in our FAQs