After more than 50 years of development, ROHM (Rom) has become a large multinational corporation with multiple development, production and sales branches around the world. In all of its product lines, semiconductor products account for more than 80%.
Headed by system IC, ROHM has a variety of semiconductor products. Its application areas cover the entire electronic world, involving LCD TVs, plasma TVs, mobile phones, computers, and digital AV equipment that have been expanding in recent years. ROHM products have played a huge role in its high performance and miniaturization. And for the automotive electronics industry that pursues safety, comfort and continuous development, ROHM also has a rich product group for vehicle systems such as car bodies, interfaces, safety, audio, and sensors.
ROHM China Business Headquarters Murai Murai's copy minister said in an interview recently: "China's international auto power status is undisputed. In the face of such a huge market with unlimited potential, ROHM has set very ambitious goals. Especially in Over the past three years, ROHM has acquired more solid strength in the fields of low-power microcontrollers, audio ICs, SiC through-train development and production systems, and MEMS sensor technology through the acquisition of OKI SEMICONDUCTOR, SiCrystal and Kionix, and the joint venture to establish Lumiotec. It has been more than 50 years since ROHM started its business. Now, facing the next 50 years, ROHM has released four major strategies: multiplication strategy, power device strategy, LED strategy and sensor strategy. These four strategies are oriented to all fields of the electronics industry, and also It will help ROHM cope with the challenges in the field of automotive electronics and bring great impetus to the development of the entire industry and the advancement of ROHM. "
Multiply strategy to strengthen cooperation
Combining the implementation of these four strategies in the automotive electronics market, Minister Murai made a detailed introduction. In terms of multiplication strategy, ROHM and OKI SEMICONDUCTOR jointly developed chipsets, and for the first time cooperated with Intel (Intel), based on its Intel Atom processor E600 series for embedded devices, developed for automotive infotainment systems Chipset and reference circuit board. He said that for some large technology platforms, it is difficult to achieve with a single technical force. At this time, communication and cooperation are very important. Intel (Intel) is very advantageous in terms of processors, and ROHM is also excellent in peripheral chip supply. The combination of the two can make the entire solution more optimized.
New materials for power devices
In terms of power device strategy, ROHM takes new SiC materials as the core, strengthens its IC, TR (transistor), DI (diode) power component product lines, and develops them for hybrid vehicles, pure electric vehicles, and other new energy sources (such as Solar) inverters, converters, PFC (power factor correction circuit) circuits required for automobiles. Compared with traditional silicon materials, the advantages of SiC materials are mainly manifested in two aspects: on the one hand, the on-resistance is low, about 1/5 of silicon; on the other hand, it can also work normally under high temperature environment (250 ℃), Therefore, it can be widely used in the field of electric vehicles / hybrid vehicles. It can even be installed inside the motor to reduce the losses that occur in the gears and transmission shafts, improve the heat dissipation performance, and thus improve the overall performance of the car. Regarding the application of SiC power devices in automotive electronics, Minister Murai said frankly that he is currently in the stage of cooperation and promotion at the technical level. One of the biggest challenges is cost. The characteristics of temperature, high reliability and unique high efficiency, as well as the important significance for energy saving and emission reduction, will make it get more applications, and with the increase in usage, the cost will gradually reduce and eventually move toward large-scale applications.
Comprehensive LED strategy for the automotive market
In terms of LED strategy, ROHM utilizes LED comprehensive solutions realized by rich technologies to provide LED patches, and provides comprehensive support for power supplies, drivers, modules, and lighting. ROHM is using its rich experience in LED driver circuits to set up a dedicated production line for the automotive market to ensure the realization of high reliability and high quality products. According to Deputy Minister Murai, with the increasing brightness of LEDs and their popularization in automotive applications, the demand for reducing the number of LED light-emitting diodes and the amount of other devices has increased, so the demand for high precision and high power for LED drivers is also increasing. . ROHM has developed a dedicated driver IC for automotive LED tail lights, which increases the output current and improves its output accuracy, increases the allowable range of LED errors, and realizes the miniaturization of PCBs and the simplification of inspection and MP processes.
Sensor strategy focuses on user experience
In terms of sensor strategy, ROHM ’s product line includes interface solutions, visualization solutions, and car audio, for example: ICs and solutions that can upgrade resistive touch screens to “resistive screens like capacitive screensâ€, known as “car black boxes†Car driving recorder and car navigation, car monitor, digital TV tuner, rear seat entertainment system and other products. On the basis of ROHM's existing Hall sensor technology, temperature sensing and light sensing technology, ROHM is strengthening the opportunities for motion sensors by combining Kionix's acceleration sensor technology. Minister Murai said that ROHM will always put quality first, and continue to combine traditional and innovative technologies to continuously improve the user experience and make car driving more comfortable, safer and smarter.
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