On November 21, China Science Galaxy core, a high-performance sensor chip developer from the Institute of microelectronics, Chinese Academy of Sciences, officially released five products, including chips, modules and devices, which have the characteristics of high precision, wide range, programmable, ultra-low power consumption, multiple series applications, long-line communication and five in one accurate measurement, according to mcmus consulting. It not only meets the needs of temperature, humidity, wind speed, wind direction, atmospheric pressure or integrated multiple measurement, but also can be widely used in the consumer market, medical beauty, industrial field, intelligent manufacturing field, communication field and many scenarios in the field of the Internet of things.
As one of the three foundations of modern information technology (information collection, information transmission and information processing), the sensor which shoulders the "mission" of information collection has been widely used in various fields. Today, it has penetrated into all aspects of people's production and life. It can be said that almost every modern project cannot do without a variety of sensors. However, behind the sensor market with a global market scale of more than 200 billion US dollars and a CAGR of more than 30% in the next five years, there are some pain points, such as insufficient accuracy, single measurement index, reduced sensitivity in complex environment, low intelligence, low localization, and even some high-performance medium and high-end sensors, 95% of which rely on imports, and more than 90% of which rely on foreign technologies The status quo of surgery.
Born in the Institute of microelectronics, Chinese Academy of Sciences, the galaxy core team of Chinese Academy of Sciences has given full play to its accumulated technology and experience in chip design and software development in its early work. Through the analysis of specific industries, combined with some core technologies and practical project experience, it has realized product research with the main direction of temperature and humidity sensor series, pressure sensor series, electronic label series products, etc Hair design. At the same time, the team has the ability and experience of packaging design and automated test process design, and some products have been realized / have mass production / small-scale mass production.
It is understood that the latest five products released by Zhongke Yinhe core are high-precision temperature sensor chip gx20mh01, temperature sensor chip gx20me04 with 1024bit storage, wired electronic label chip gx2431, single bus temperature and humidity module gxht01, and ultrasonic wind speed and direction indicator. They have the following characteristics and application scenarios respectively.
High precision 14bit temperature sensor chip gx20mh01
Gx20mh01 is a distributed temperature sensor chip, each chip has a unique 64 bit ID code in the world. The chip adopts single bus communication mode, the temperature measurement range is - 55 ℃ ~ + 125 ℃; the temperature measurement accuracy is 0.1 ℃ in the range of 0 ℃ ~ 50 ℃, and the full temperature range is ± 1 ℃. The highest resolution of the chip is 14bits, and the temperature conversion time is less than 1s under the highest precision. The chip has an ultra wide interface voltage range of 2.8v-5.5v; the chip is designed with low power consumption, and the standby current consumption is 1uA / 3V (typical value). In order to meet the harsh environment of industrial application, the chip has strong ESD protection capability (HBM > 8000v). The chip has the function of high and low temperature alarm. When the chip temperature is higher than the maximum threshold or lower than the minimum threshold, the chip will give an alarm signal.
At present, gx20mh01 adopts three packages: to92, to92s and msop8. Other packages can be customized. It can be widely used in temperature measurement, drug storage, medical equipment, petrochemical and other high-precision temperature detection occasions.
High temperature precision collector
Programmable resolution single bus temperature sensor chip with 1024 bit temperature calibration memory
As the digital temperature sensor chip launched in the fourth quarter of this year, each chip of gx20me04 has a unique 64 bit ID code in the world. The chip adopts single bus communication mode, the temperature measurement range is - 55 ℃ ~ + 125 ℃; the temperature measurement accuracy is ± 0.4 ℃ in the range of - 10 ℃ ~ 70 ℃ without secondary calibration. The output resolution of the chip is 9-12bits, which can be programmed online.
In addition, the product is unique in providing 1024 bit non-volatile storage for secondary correction temperature curve or storage of user information. When it works in the temperature correction mode, it can adjust - 0.4375 ~ + 0.4375 ℃ every 0.5 ℃ in the temperature range of 128 ℃, and the adjustment accuracy is 0.0625 ℃. In order to meet the harsh environment of industrial application, the chip has strong ESD protection capability (HBM > 8000v).
At present, gx20me04 adopts three packages: to92, to92s and msop8. Other packages can be customized. It can be widely used in temperature measurement, medicine storage, beauty instruments, high-precision applications in a wide temperature range and occasions where users need to store.
Ultra low power electronic label chip
Gx2431 is an electronic label chip that can be used in optical fiber ODN (optical distribution network) devices and printer ink cartridges. It has full independent intellectual property rights. The chip has ultra-low power consumption of less than 1uA and communication speed of 125kbps. The performance of the chip in all aspects has reached and surpassed the international similar products. At the same time, in the application of intelligent optical fiber ODN, it can realize the functions of optical fiber identification, ID data automatic collection, resource data automatic synchronization, automatic inspection and so on. The electronic label chip has passed the test and approval of many ODN and ink cartridge companies, and began to purchase in bulk.
At present, gx2431 has four packaging forms: to92, msop8, SP2, ut-qfn, which can be widely used in intelligent optical fiber ODN equipment, printer ink cartridge and application fields with accessories certification.
Application of new label in ODN equipment
Single bus temperature and humidity module gxht01
Gxht01 is a single bus communication temperature and humidity module, which can be used to accurately measure the temperature and humidity of the environment, especially suitable for the production of temperature and humidity cables in grain depots, with complete anti fumigation ability. The module adopts single bus 2-wire communication mode, which can be used in series with multiple applications, and can carry out long-line communication. The temperature accuracy of the module is ± 0.3 ℃, and the humidity measurement accuracy is ± 2%.
The application scope of gxht01 includes intelligent storage, grain temperature and humidity measurement, tobacco temperature and humidity measurement and Internet of things products.
As a five in one digital environmental monitoring equipment, gxf-402 series ultrasonic anemometer can accurately measure the environmental wind speed, wind direction, temperature, humidity and atmospheric pressure. It adopts advanced ultrasonic measurement technology, supports mosbus protocol, digital output, supports RS485, RS232 or TTL / CMOS UART interface. Allow 6v-30v wide voltage power supply input. The wind speed measurement range is 0-50m / s, the accuracy is ± 2%, and the wind direction accuracy is ± 2 °.
Guo Guiliang, founder of Zhongke Yinhe core, said that among the five products released this time, there are industrial and agricultural fields such as grain industry, communication industry, etc. which have been deeply cultivated by the team and have unique advantages, consumer markets that combine the characteristics of the industry to make technical subtraction and realize other functions or save costs, as well as the cold chain logistics and white home appliance market which are rapidly expanding at present. In terms of product design, in addition to the most widely used temperature index and high precision and wide range, multi index collaborative monitoring such as humidity and moisture is also added. In addition, the world's first high-precision water temperature integrated sensor has been developed in the field of grain situation, soil and other applications, and has begun to scale test. In the future, it will continue to give full play to its technical advantages and help enable the localization of high-performance sensor chip market.