onsemi and Sineng Electric to develop sustainable energy applications

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onsemi and Sineng Electric are to integrate onsemi’s EliteSiC silicon carbide (SiC) MOSFETs and IGBT-based high-density power integrated modules (PIMs) into a utility-scale solar inverter and industry-first 200kW energy storage system (ESS).

The two have been working together to develop optimised solutions that look to maximise the performance of solar inverters, energy storage and power conversion systems.

Sineng’s work with onsemi EliteSiC has led to the launch of a utility-scale solar string inverter, which offers a simplified design, reduced maintenance costs and lower downtimes compared to a centralised inverter solution. The adoption of onsemi’s single-stage PIM with multi-level topology in 200KW ESS will deliver improved system efficiency and lower total cost of ownership.

“onsemi supports us in solving the most challenging technical problems such as system-level design, simulations, thermal analysis and creation of sophisticated control algorithms,” said Qiang Wu, chairman of Sineng Electric. “Integrating the EliteSiC technology enables us to develop and implement cutting-edge renewable energy solutions tailored to our customers’ needs. In combination with onsemi’s end-to-end SiC supply chain, we have the supply assurance to plan for long-term growth.”

Both companies will continue to collaborate on the development of new high-power products to enable a broader range of renewable energy solutions. As part of this process, Sineng said that it will adopt more EliteSiC products, thereby benefitting from efficiency and scale.

“Together, we will leverage the benefits of onsemi’s high performance products and Sineng Electric’s expertise in power electronics system design to deliver industry leading solutions for sustainable energy applications,” explained Asif Jakwani, senior vice president and general manager, Advanced Power Division, onsemi.

The two companies expect to extend their existing long-term supply agreement (LTSA), signed in late 2022.