In recent years, the electronic trend of automobiles has become obvious. The application of modern automotive electronic technology not only improves the power, economy and safety of the car, improves the stability and comfort of the car, but also promotes the development of the automotive industry, but also opens up a broader market for electronic products. . Automobile electronicization is an important symbol of the development of modern automobiles. The proportion of automotive electronic systems in automobiles represents the level of automobile modernization.
From the development trend of automotive electronics, in the continuous advancement of electronics, optoelectronics and communication technology, the proportion of electronic products equipped with automobiles has increased year by year in recent years. The proportion of electronic control and electric equipment in modern automobiles is very large, and Most of the innovations in the automotive industry come from automotive electronics, which are at the heart of the most important technical measures and competition to develop new models and improve vehicle performance.
With the advancement of technology, environmental protection needs and the promotion of national security system regulations, especially the gradual popularization of electric vehicles, it has greatly promoted the electronicization of automobiles. With the popularization of HEV and EV and the improvement of fuel consumption performance, the electronic equipment carried on a single car will continue to increase. In the cost structure of the whole vehicle, the proportion of electronic products will become larger and larger. At the same time, it will also pose more challenges for electronic components, including high performance, high quality, consistent supply, cost, power consumption and other aspects will be re-evaluated.
In this industry background, ROHM, a world-renowned semiconductor manufacturer, combined its own R&D technology and manufacturing advantages to develop a new generation of automotive LDO series that is most suitable for automotive body system/powertrain microcontroller power supply, among which LDO “BD4xxMx series†"A total of 16 models. As a result, 43 models have been combined with the "BDxxC0A Series", which is most suitable for information system power supply applications such as automotive electronic systems. As an in-vehicle LDO series, it can support all applications. The "BD4xxMx Series" developed this time uses the most advanced power system technology of 0.35μm BICDMOS, and uses ROHM's excellent analog design technology to achieve a current consumption of only 1/2 or less of the general product (no load), which is very helpful. Energy saving in automobiles. In addition, by optimizing the circuit, it is possible to prevent the capacitor for oscillation from requiring electrolytic capacitors, and only ceramic capacitors can satisfy the requirements, thereby contributing to reduction in mounting area and cost reduction.
ROHM Co., Ltd. LSI Commodity Strategy Headquarters Commodity Strategy General Director Kubo said that ROHM is very optimistic about the market prospects in the automotive electronics field, which will be one of the most important areas of ROHM in the future. ROHM plans to develop a new generation of power devices, use low-power technologies, improve various sensor-related product groups, develop new devices that meet HEV/EV automotive requirements, and enhance customer support capabilities. Increase the sales ratio of in-vehicle and industrial equipment to 40%. ROHM's confidence in the automotive field stems from its deep research and development technology. On the other hand, due to the high quality requirements of automotive electronics, ROHM has a “one-stop production systemâ€, which includes production, sales and service in the group including development, design and wafer fabrication, and strives to continue in all aspects. Improve quality and provide high quality products for long-term and stable customers.
ROHM Co., Ltd. LSI Commodity Strategy Division Commodity Strategy General Director Kubo
Kubo’s priority also mentioned that ROHM maintains continuous investment and attention to the Chinese market. The development of China's automotive electronics industry has been on the fast track and has continued to grow in recent years. In order to respond quickly and accurately to the requirements of the expanding Chinese market, ROHM has built the same development, sales and manufacturing in China as ROHM Japan. A one-stop system. As a feature of ROHM, we are actively pursuing sales activities of “close to the customer†and strive to provide thoughtful services to our customers. In the second half of 2010, we have added five branch offices in Xi'an, Chengdu, Chongqing, Wuhan and Changchun. Especially in terms of technical support, ROHM is equipped with development and design support personnel who are proficient in various markets in the Chinese market. From software to hardware, in the form of integrated solutions, ROHM can provide technical proposals for customer needs and provide technical and quality support to customers.
According to Mr. Li Jun, General Manager of ROHM Semiconductor (Shanghai) Co., Ltd. Technology Center, ROHM established the vehicle market system through the “BD357x Series†and “BD393x Series†automotive products. The ultra-low quiescent current "BD7xxLx series" and the ultra-universal "BD4xxMx series" and "BDxxC0A series" will be ROHM's two pillar strategies in the automotive field. In the future, we will further improve product performance through technology research and development to meet more stringent requirements and provide customers with higher quality and higher value-added products.
Mr. Li Jun, General Manager of Technology Center of ROHM Semiconductor (Shanghai) Co., Ltd.
ROHM Semiconductor (Shanghai) Co., Ltd. Design Center Technical Review Mr. Zhang Fangming said that the "BD4xxMx Series" is a product lineup with different output voltages and output currents, from power-packages for harsh environments to small packages with reduced area. LDO developed for all automotive electronics. It is not necessary to set the ESR for phase compensation, and it can achieve high reliability of 45V in terms of input withstand voltage. In terms of output fluctuation measures and oscillation measures, it is different from the general product even in a small capacity of about 1 to 10 μF. A stable voltage output is achieved so that external components can use ceramic capacitors, which is very helpful in saving space.
It is worth noting that the current consumption of the "BD7xxLx Series" and "BD4xxMx Series" series is low power consumption in terms of low power consumption that ROHM has always been good at. In particular, the static current consumption of the BD4xxMx is only about 40μA, which is sufficient for low power consumption. In addition, both series have characteristics that almost coincide with the current consumption value at the time of no load even if the output current increases. Most LDOs are accompanied by an increase in output current, and the current consumption of the LDO itself increases linearly, so that the influence on heat is emphasized, but ROHM has a technical advantage. LDO is simple and easy to use, but the heat limit has become a major issue. Therefore, the power consumption characteristics of this product are a huge contribution to solving this problem.
In addition, when ROHM develops in-vehicle series products, these two series have been designed as in-vehicle products since the development stage, and are in line with the actual industry standard AEC-Q100 for automotive ICs in recent years. ROHM has obtained the ISO/TS16949 certification for the quality management system of the automotive industry, including the high quality and temperature conditions required for the development of automotive products, and has fully met the reliability of use in harsh environments.
Under the environment of safety, energy saving, comfort and entertainment will become the development trend of automotive electronic applications in the future, ROHM will integrate development, production and sales based on the technical strength and high quality and reliability accumulated over the years. Solid technical support and customer service system reduce cost, improve performance and increase competitive advantage for vehicle manufacturers' vehicle electronics products, and reduce vehicle fuel consumption and increase engine efficiency through high-quality electronic products.
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