According to the latest report from market research institute IHS, China's automotive IC market revenue is estimated to account for 11% of the overall automotive IC market in 2015, with a scale of US$6.2 billion. Although China's auto sales growth rate has slowed down in recent years, The drive includes higher performance chips for applications such as powertrains, automotive infotainment systems and body-convenience, and the number of demand continues to grow.
“More and more automakers are focusing on energy and green energy, as well as pursuing higher security and a better overall driving experience;†Alex Liu, IHS Semiconductor and Electronic Components Market Analyst, said: “Based on the above reasons, each Automotive applications are increasingly demanding higher performance semiconductor components such as direct injecTIon engines, advanced driver assistance systems, and safety applications."
According to the latest IHS China Automotive Semiconductor Market Report, Freescale Semiconductor is the leader in China's automotive IC market in 2014, with a market share of 15.5%; STMicroelectronics is catching up with Freescale After that, the market share of China's automotive IC market was 14%. Ranked third is NXP Semiconductors, which has a 12% market share in China's automotive IC market.
Freescale and NXP are expected to merge later this year (unless subject to any regulatory hurdles), IHS estimates that the combined companies in the future may include nearly 30% of China's automotive IC market (based on 2014 market share); The strengths of both companies are microcontrollers (MCUs), which are widely used in automotive powertrains, bodywork, and security, communications and entertainment systems.
According to IHS, the list of China's automotive IC market suppliers is not the same as the global automotive IC supplier list. According to the report released by the agency in March this year, the global automotive IC supply leader in 2014 is Japanese. Renesas Electronics, the second is Germany's Infineon Technologies, and STMicroelectronics, Freescale and NXP are third, fourth and fifth respectively.
China's fabless IC design industry's automotive semiconductor output value in 2014 was about 1.5 billion US dollars. Most of these products are used in automotive infotainment systems, including car radios and navigation systems; IHS expects that China's local automotive ICs Designers' revenues can achieve a compound annual growth rate (CAGR) of 13% between 2014 and 2019.
Liu pointed out that Chinese local players are good at the aftermarket, because they have the advantage of price, and the time-to-market is shorter and the design is more flexible than overseas competitors; The IC industry's technology is more sophisticated, and it maintains a close development cooperation relationship with Chinese car manufacturers. Some Chinese chip companies have also begun to enter the parking assistance, including the advanced driver assistance system, and the communication and entertainment systems have lower requirements on quality and reliability. Application market.
The electrolyte material inside the Electrolytic capacitor, which has charge storage, is divided into positive and negative polarity, similar to the battery, and cannot be connected backwards.A metal substrate having an oxide film attached to a positive electrode and a negative electrode connected to an electrolyte (solid and non-solid) through a metal plate.
Nonpolar (dual polarity) Electrolytic Capacitor adopts double oxide film structure, similar to the two polar electrolytic capacitor after two connected to the cathode, the two electrodes of two metal plates respectively (both with oxide film), two groups of oxide film as the electrolyte in the middle.Polar electrolytic capacitors usually play the role of power filter, decoupling (like u), signal coupling, time constant setting and dc isolation in power circuit, medium frequency and low frequency circuit.Non-polar electrolytic capacitors are usually used in audio frequency divider circuit, television S correction circuit and starting circuit of single-phase motor.
Electrolytic capacitor
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