The major Tier 1 automotive supplier in China, United Automotive Electronic Systems Co., Ltd. (UAES), and ROHM have just extended their long-term supply agreement for SiC power devices.
UAES Reliability on ROHM SiC power devices
Since 2015, ROHM and UAES have been working together and conducting in-depth technical discussions about SiC power device applications in automotive settings. In 2020, the SiC Joint Research Institute was established at the UAES headquarters in Shanghai, China, further strengthening the collaboration.
Furthermore, in 2021, UAES gave ROHM’s cutting-edge SiC power devices and peripheral components a high rating; as a result, ROHM was chosen as a preferred supplier.
Due to the strong, long-standing technical collaboration, several automotive products—like inverters for electric vehicles and onboard chargers—have been produced and used with ROHM SiCs. SiC power devices are essential for increasing a range of systems’ performance and efficiency while also lowering battery size and cruising range.
With the beginning of client deliveries of SiC-based inverter modules in November 2023, this long-term supply agreement guarantees UAES adequate access to SiC power devices to fulfill the increasing demand.
In the future, the two businesses will intensify their cooperation, hastening the creation of state-of-the-art SiC power solutions for electric vehicles while also advancing technological innovation in the automotive industry.
Guo Xiaolu, Deputy General Manager, United Automotive Electronic Systems Co., Ltd.
‘The growing popularity of electric vehicles in the Chinese market has made the adoption and integration of power semiconductors like SiC increasingly important. ROHM, a world-renowned semiconductor manufacturer, is a pioneer and market leader in SiC power devices. Since 2015 we have been actively engaged in technical exchanges and highly value ROHM’s proposed solutions encompassing devices and peripheral components. Choosing ROHM as our long-term supplier of SiC chips guarantees a stable supply for future mass production. We appreciate ROHM’s past efforts and look forward to building a long-term collaborative relationship, with this agreement serving as a new starting point.’
Tsuguki Noma, Corporate Officer and Director of the Power Device Business Unit, ROHM:
‘We are very pleased to have signed a long-term supply agreement with UAES, a valued partner with whom we have built a strong cooperative relationship over the years. As a leading Tier 1 manufacturer in China, UAES is at the forefront of advanced application development. To meet the need for SiC power devices that improve efficiency in the rapidly expanding electric vehicle market, ROHM has established a leading development and manufacturing system within the SiC industry.’
‘We believe that by working together, both companies can provide cutting-edge, high performance, high quality automotive applications. Moving forward, we will continue to drive technological innovation in electric vehicles together with UAES by offering power solutions centered on SiC’, added Tsuguki Noma.
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