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Silicon Valley hinterland depth: analog semiconductor manufacturers on behalf of a happy life
Publish date:2010-12-31        Views:49        Back
Linear Technology in the interview, they sent out including the chairman, CEO and five executive vice president of the powerful lineup, conversations clearly revealed the following information, automotive and communications markets remain the company's focus areas. Mainly for high-end simulation technology development, therefore, higher profits, during the economic crisis but also to ensure passing of the days comfortable.


Lothar Maier, CEO, said: "In 2010 the global economy improves, the consumer market growth significantly. The Chinese mainland market, the Government introduced a four trillion yuan economic stimulus plan, low-carbon, environmentally friendly, energy saving, emission reduction and to expand domestic demand promotion policies, including new energy, including solar photovoltaic, LED, electric cars, flat-panel TV, 3G and LTE will be a rapid growth market. It is a manufacturer of semiconductor rare opportunity for development. We will all line-simulation and products involved. "




I have been feeling Linear Technology's performance in the Chinese auto market is not very eye-catching, Lothar Maier explains this: at this stage in Japan, Korea and European market. , And the Chinese auto manufacturers and the current design capacity of Japan, Korea, Europe and other countries and regions, compare vendors, is limited, so this regard, we in the Chinese market only 10%. But believe there will be greater after 3-4 years growth.




In the following interview, like all semiconductor manufacturers, as several executives are very concerned about the technologies and products.




Signal conditioning, said Erik Soule, vice president, design of electric cars and hybrid vehicles in the large, high reliability and long-lasting lithium-ion battery pack is very complex. Because lithium-ion battery over charge or over discharge of very sensitive, so must the battery pack in each cell were carefully managed. Multi-cell battery monitor chip LTC6802 provides a precision analog interface group. Without optocouplers or isolators in series of multiple chips, you can quickly monitor the 12 separate battery voltage, battery voltage exceeds 1000V is required.




Point of load voltage regulation for intensive needs, with a 6-output DC / DC micro-module (μModule) LTM8008, can buck and boost conversion using the built-SEPIC converter regulator 3V to 72V power input to produce 5.6V output. This 5.6V voltage is in turn a further six linear regulator power supply, to produce 5 5V and a 3.3V rail tracks, while the output current range of 150mA to 500mA.




For the telecom and networking applications, μModule regulator LTM4628 integrates a high performance DC / DC controller, MOSFET, inductor, power management components, to enhance the point of load (POL) power supply design efficiency go a long way. From 5,12 or 26.5V input voltage high-efficiency low output voltage conversion to two groups, each group can provide 8A output.




Program development μModule regulator biggest challenge is the power semiconductor and packaging design optimization. Because in the 15 × 15 × 4.32mm package to achieve high integration, power semiconductors switching frequency to very high, it is likely to cause more power loss. In addition, to avoid interference between the circuit package substrate, and properly handle the heat.




In addition, the response to the growing rise of energy saving, high brightness LED lighting market, Linear Technology is developing a source with the isolated flyback PFC LED controller, although the present sample, but the data sheet is still in preparation stage, 2011 will be published in February. Therefore, even if I have to interview a lot of technical details, and photographed a lot of pictures, but still be disclosed.




In the interview after the dinner meeting, I ask the Chief Technology Officer Bob Dobkin analog digital power supply will be replaced by the problem. Dobkin as a co-founder of the company's highly respected in the industry has a reputation, he affirmed that we live in this world is analog, digital stuff eventually be converted to analog, will be acceptable for human, especially consumer electronics products. For power, the people will always need analog power, digital power supply will not be replaced because of their characteristics of analog power, at least I do not see this happening. Linear Technology also has been developing high-end simulation technology.




Deep plowing Automotive Electronics Market




International Rectifier (IR) who have produced the world in 1912 an electric vehicle to provide solar panel technology, it is understood that this section of classic cars still on the road. IR is now for the new electric cars and hybrid vehicles, and 600-1200V HVIC development of IGBT technology.




Fuel-efficient cars for the 600V HVIC gate driver series 5 high-speed driver IC power MOSFET and IGBT are in line with AEC-Q100 standards, the maximum output source current 1.9A, the maximum current capacity of suction-2.3A, fast switching time.




Proprietary HVIC and latch reinforcement CMOS technology can provide monolithic structure. Output driver with a minimum driver cross-conduction for high pulse current buffer stage. Floating channel can be used to drive high-side N-channel power configuration in MOSFET or IGBT.