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AboutShijiazhuang Tonghe Electronic Technology Co., Ltd. is a high-tech enterprise dedicated to technological innovation, product innovation, and management innovation in the power electronics industry. It integrates R&D, manufacturing, sales, and service in the power electronics sector, providing customers with comprehensive energy solutions. -
ProductAfter more than two decades of rapid development, the company has established an industrial structure centered around three major business segments: smart grids, new-energy vehicles, and aerospace. Its sales network covers over 30 provinces, municipalities, and autonomous regions across China, and its products are exported overseas, earning unanimous praise from both domestic and international customers.
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PartnerIn the future, the company will continue to uphold its corporate mission of “embracing an entrepreneurial spirit, focusing on power electronics, efficiently utilizing energy, and serving global users,” while adhering to the core values of “contribution, mutual benefit, gratitude, efficiency, and innovation” to provide users with high-quality products and services.
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BlogsCommunicate with sincerity and courageously take responsibility; keep the customer at the center of our focus, continuously optimize the company’s management systems and processes, consistently identify and meet customer needs, deliver and enhance customer value, and maintain the company’s rapid growth.
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Join usThe company consistently upholds a talent philosophy centered on “people first,” actively fostering an atmosphere of respect, understanding, integrity, and friendliness. We provide a robust platform for talent development, enabling our employees to become powerful pillars of the company’s sustained growth and achieving mutual growth and shared success between the company and its talents.
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InvestorDisclose information relevant to investors’ decision-making in a truthful, accurate, complete, timely, and fair manner; strengthen communication and engagement with investors; and enhance and improve investor relations management.
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ContactWith a spirit of self-respect, self-reliance, and relentless self-improvement, coupled with an open mind, we focus on customer needs based on continuous learning and absorption. We dare to take risks, keep exploring, and steadily build management models and technological products that reflect our unique characteristics.
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THQZD300-24-2 Series
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Product Introduction
The THQZD300-24-2 series is an on-board DC/DC converter designed specifically for electric vehicle power batteries, providing power to the BMS. This DC-DC converter features an input voltage range of 200–800 VDC, with a rated input voltage of 540 VDC, a rated output voltage of 24 VDC, and a rated output power of 300 W.
Product Features
1. The product features a molded housing with an aesthetically pleasing appearance, achieving high-level protection for mass-produced items, with a mass-production rating of IP67.
2. Low inrush current;
3. Lightweight;
4. Wide operating temperature range: -40～85℃, suitable for even more demanding working environments;
5. Uses external air cooling;
6. Equipped with an auto-wake-up function; enables monitoring of the vehicle’s status even when the entire vehicle is powered off.
7. Certified by an EMC third party, offering enhanced compatibility.
8. Passed 5A load-dropping certification, offering enhanced reliability.
9. Utilizing LLC high-efficiency topology plus resonant voltage-mode dual-loop control resonant switching power supply technology (self-owned patent) + digital control, offering more precise control, enhanced operability, and improved compatibility.
10. Equipped with protection functions including output short-circuit protection, over- and under-voltage protection at the output, over- and under-voltage protection at the input, and overtemperature protection;
11. Input and output connections use aviation connectors with quick, secure, and reliable wiring.
12. CAN programming is supported, making upgrades and maintenance convenient.
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Dedicated to providing customers with customized system energy solutions.