Many patent technologies are used for HAIMOSIC products. We are constantly working on R&D to realize low inductance package in the world's top level.。
In the application of SiC power module, it is very important to reduce the inductance of the circuit. HAIMOSIC power module has its own patented technology, and not only the inductance of the module alone is small but also has the technique to partially cancel the total inductance of the inverter when the power module is assembled to the controller.
The following figure shows the measurement results of double pulse. Due to the reduced inductance of the inverter circuit, the amplitude of surge (peak) voltage is smaller and the oscillation of voltage waveform is weaker. Since SiC MOSFET has smaller trailing current than IGBT, the switching loss can be reduced significantly. Moreover, if the power module with lower inductance is used, the switching time can be shortened to further reduce the switching loss.
HAIMOSIC is specialized in the development of vehicle specification level power module. Compared to general industrial power modules, multiple difficulties such as vibration, cooling, miniaturization and EMC are required to be solved. Although HAIMOSIC design and manufacture power modules, we also hold engineers who can design inverter for automobiles. Since we can design SiC drive circuits, we can provide design advise to the customers.
HAIMOSIC is capable of developing optimal packaging for ROHM SiC chips. Due to the deep understanding of ROHM SiC chip, the performance and the reliability of the chip installed in the module can be maximized.
HAIMOSIC closely integrates the two aspects of Quality Control at “The design stage" and “The production stage", to aim for world-class quality control of the product.
HAIMOSIC (SHANGHAI) CO.,LTD. is a Joint venture initiated by Zhenghai Group Co., Ltd. (China) and ROHM Co., Ltd. (Japan). HAIMOSIC is mainly engaged in the R&D, design, manufacturing and sales of the silicon carbide power module, with an estimated annual capacity of 360000 / year. The total investment of the project is 450million RMB and the registered capital is 250million RMB.
Date of EstablishmentJuly, 2021
Business DescriptionDevelopment, design, production, sales of power modules
Investment RatioZhenghai Sicron（100% subsidiary of Zhenghai Group）80％,ROHM 20％
Founded in 1990, Zhenghai Group is a key enterprise group in Shandong Province. Starting with shadow mask manufacturing in the early days of the company's founding, Zhenghai Group has diversified their business centered on manufacturing, stepping into many industries such as rare earth permanent magnets, regenerative medicine, automobile interiors, and electronic information. The group has more than a dozen subsidiaries.
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ROHM, a leading semiconductor and electronic component manufacturer, was established in 1958. From the automotive and industrial equipment markets to the consumer and communication sectors, ROHM supplies ICs, discretes, and electronic components featuring superior quality and reliability through a global sales and development network. ROHM’s strengths in the power and analog markets allows them to propose optimized solutions for entire systems that combine peripheral components (i.e. transistors, diodes, resistors) with the latest SiC power devices as well as driver ICs that maximize their performance.
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