The automotive electronics industry is undergoing a profound transformation. In the future, the car will develop in the direction of safety, interconnection, intelligence and energy conservation. New products and functions such as advanced driver assistance systems (ADAS), driverless, car networking, and new energy vehicles will be developed. The emergence of electronic systems such as panoramic visualization, virtual dashboards, and large-screen infotainment systems has rapidly developed, and this has also brought development opportunities for semiconductor companies. At the recent Munich Electronics Show in Munich, auto-themed exhibitors and exhibits occupied the most eye-catching part of the pavilion, bringing together the world's top semiconductor solution providers, automotive connectors and automotive electronics systems manufacturers. Among them, Fujitsu Electronic Components Co., Ltd., as the original factory and agent, also took out the technology and solutions of its own car products, as well as the car program of the core agent production line. "Fujitsu Electronics has been a veteran of the industry in the global automotive electronics industry for many years. We have extensive cooperation and resources in China and the global automotive market. We have brought pure electric vehicle power modules, automotive ADAS systems, and virtual instrument panels. The solution, as well as the automotive relays and protection devices, are receiving deep attention from everyone,†said Wang Wei, general manager of product management at Fujitsu Electronics Asia Pacific.
Panoramic video + virtual instrument, the value of the role of both high connotationAt Fujitsu's booth, automotive electronics is the biggest hot spot, and the most attractive panoramic solutions and virtual instrumentation booths are undoubtedly the most popular. David Du, senior manager of Fujitsu's Electronic Product Management Department, was surrounded by exhibition engineers to introduce the company's first mass-produced panoramic 3D video system solution and the virtual instrument solution.
The panoramic video solution showcased enthusiastic attention from engineers.
Fujitsu demonstrated a panoramic solution based on the latest 2D/3D graphics SOC chip from the Socionext Triton-C series, which integrates GDC and GPU, includes two powerful ARM Cortex-A9 processors, and includes OpenGL ES 2.0 technology and shader graphics engine. With six independent video inputs and three independent video outputs, the Triton-C also offers a rich peripheral portfolio. These features make Triton-C an attractive component that delivers dynamic and exciting 3D content for high-resolution screens.
"With 33ms ultra-high speed processing, the image signals from the four cameras can be displayed on the monitor of the driver's seat in real time even at high speeds, and the situation around the vehicle can be visually confirmed as if looking at the mirror." "At present, this program has been mass-produced. We will also introduce a next-generation solution. Based on Miranda, we will propose ADAS overlay to enhance image processing capabilities." He also pointed out that some long-term viewing of panoramic vision systems in the past will cause dizziness. The image has obvious distortion, and the problem of inaccurate ranging is currently fully solved in the company's latest solution.
Functional block diagram of the panoramic vision solution for the 2D/3D panoramic solution based on Triton-C.
A full-virtual instrument SDK solution is on display. The main chip also uses the Triton-C full-virtual instrument-specific graphics processor. The core processor has a powerful 2D engine that is said to be unique worldwide. IRIS-MDP is customized for virtual instruments, with up to 8 layers of multi-layer display and 6 channels of video input, 3 independent outputs, and is designed for instrumentation. Graphical security features designed.
In the past, virtual instruments often seemed to be beautiful for many domestic manufacturers. Driver layer design, application layer, GUI, OS, etc. need to be provided by different vendors. This has great design integration difficulty for traditional instrument manufacturers. . “We started pushing the instrumentation tool chain two years ago – the solution is fully supported from toolchain, OS, software to complete hardware, supporting the critical phase of full virtual instrumentation from sample to production at minimal cost.†David pointed out. A complete software and hardware development platform helps achieve ultra-low power consumption, lower overall machine costs and shorten development cycles. “And, we have modularized all of this, and the fully modular design of the software and hardware makes the whole solution more flexible and easy to replace. Especially worth mentioning, we also provide a wealth of 2D, 3D drivers. The library, menu examples, and sample instrumentation, the manufacturer has no pressure to apply," David added.
The virtual instrumentation solution is unique and can achieve multi-screen free switching.
New energy vehicles, this "black box" is keyCompared with the virtual dashboard and the 3D panoramic vision program booth, the exhibits next to the new energy car booth are a bit more "subtle, low-key" - a metal cover to close the tight electronic control system module, is this The legendary "black box"? However, the low-key can not escape the unique eye of the professional visiting engineer, this is not, the same is onlookers!
The engineer carefully examined the "black box" - the new DC DCDC converter module.
The main push of the site is based on the new TW-78SDC/DC vehicle power converter. By increasing efficiency with the copper substrate module, the converter achieves miniaturization of output capacity and modularization at the same cost as previous packages. It uses custom-made self-produced semiconductors to achieve optimal design through voltage-resistant FETs (such as 420V, 550V, etc.) and anti-noise chips. Thanks to the high heat dissipation module and magnetic bias technology, it has the maximum current conversion function and can cope with transient overload when the rated current is exceeded.
“Because of the limited space in which the vehicle power supply is loaded, there are small and lightweight requirements. On the other hand, as the electronic process moves toward the diversification of electronic products, the current supplied is also increasing. To solve these technical problems. The subject not only requires power supply circuit and heat dissipation technology, but also requires DSP control to perform strict internal temperature management, providing the best solution while the overall coordination of the vehicle.†Andy Liang, senior product engineer of Fujitsu Electronic Components, said, “Our current The program has been adopted by domestic first-tier manufacturers, and new production models will be launched in the second quarter of 2017."
The new DM-78SDC/DC automotive converter and internal semiconductor device display.
According to Andy, the DC/DC solution not only achieves the industry's most competitive power density, stability and excellent EMI and other key features, but its cost is also competitive in the industry. "In terms of low cost, our solution can even be compared with the domestic local solution PK. In terms of performance indicators, we are gorgeous." Andy said, "We hope to invite domestic customers to visit the original Japanese factory next year. The highly automated pipeline of robots is guaranteed to have the cost advantage of competing with local brands based on high reliability."
Car safety, don't ignore these peripheral devicesNowadays, the car has become a huge mobile electronic system, which covers almost all electronic component applications. This is also proved by Fujitsu's product line. "As Chinese automakers gradually introduce mid- to high-end cars, the performance requirements of the products are getting higher and higher. In the past few years, we have brought some products with unique advantages into China, including storage FRAM, Dadong fuses, and Fujitsu vehicle relays. And ruby ​​capacitors, these provide a more cost-effective new choice for Chinese manufacturers, especially for car safety and reliability," Andy pointed out.
Ferroelectric random access memory FRAM is a traditional advantage of Fujitsu Semiconductor, and has been applied in many fields such as metrology, logistics, industrial automation, intelligent robots, medical electronics, and so on. With the introduction of FRAM products that meet automotive-grade application specifications, FRAM has been recognized in the fields of automotive airbags, BMS battery management systems, and driving recorders. "The FRAM high-temperature end currently provides a maximum working temperature of 85 ° C, but in order to meet the requirements of the automotive equipment market, the company has developed an automotive-oriented FRAM product that will increase the operating temperature to 125 ° C." Fujitsu Electronic Product Management Senior Manager “The new product will not only increase the operating temperature to 125 ° C, but in order to meet the high quality requirements of the automotive equipment market, the company will re-evaluate and modify the internal design circuit to further improve product reliability,†he said.
Today, new energy vehicles are becoming more and more popular. In the automotive industry, high-efficiency DC motors and lithium batteries are used more and more widely. However, the use of conventional AC fuses has been unable to reliably protect DC circuits. It is necessary to use DC fuses. Fujito's various vehicle-mounted circuit protection fuses from Daito are mainly used in automotive junction boxes, chargers/converters, and battery cells to help miniaturize the system. “There are a lot of fuses used by foreign manufacturers including Toyota and Honda, and we can provide customization at a competitive cost, which is a service that many manufacturers cannot provide,†Andy pointed out.
At Fujitsu's booth, capacitors and relays also sang the protagonist of automotive electronics applications. "As with fuses, the role of these passive devices in automotive electronics systems is critical, regardless of volume, importance, or value." Andy said, "We are pushing Rubycon capacitors into the Chinese market and Fujitsu product line relays are products that our customers are very concerned about. According to Andy, relays have become the most widely used devices in addition to sensors, increasing from the past 35 to 45 or more. Fujitsu automotive relays are widely used. Control automotive air conditioning, lighting, security, audio, navigation and airbags. The on-site Rubycon hybrid conductive polymer aluminum solid electrolytic capacitor has received the greatest attention due to its high ripple current, low ESR, stable temperature characteristics and high reliability.
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