September 24, 2013, Beijing and Guangdong, China-Dongguan Taidou Microelectronics Technology Co., Ltd. announced at the "Second Annual Conference and Exhibition of China Satellite Navigation and Location Services": The first integrated RF, The "three-in-one" SiP single-chip Beidou 2 / GPS dual-mode solution for baseband and flash memory. This single-chip solution uses the Beidou 2 / GPS dual-mode baseband chip independently developed by Taidou Microelectronics and using a 55nm process The miniaturized, highly economical QFN 7mm * 7mm package. The TD1020 uses a new receiver architecture and adopts a new generation of signal processing technology with independent intellectual property rights in key technologies such as acquisition and tracking, which greatly enhances sensitivity and robustness, and can still maintain an excellent positioning experience in various complex scenarios.
In response to the rising demand for Beidou navigation, the TD1020 not only can be widely used in industry applications such as vehicle, power, finance, communications, etc. due to its "high performance and high reliability", but also because of its "smaller size, more "Low power consumption, higher integration, higher positioning accuracy, higher cost performance" and other characteristics can be further and more widely used in the field of consumer electronics represented by smart phones, tablet computers and wearable smart terminals, thus opening up Beidou satellite navigation is moving towards the door of "tens of millions" large-scale applications.
Higher performance, smaller size, lower power consumption
Taidou Microelectronics has been focusing on the research and development of Beidou 2nd generation core chips. The baseband chips developed have achieved rapid evolution of the process from 130 nanometers to 110 nanometers, and then to 55 nanometers. At the same time, the development of its Beidou 2 baseband chips / modules The volume of goods also broke through the 10,000-level and 100,000-level first, and as its applications expanded from time service to intelligent transportation and then to consumer electronics, its sales volume will also quickly exceed 1 million-level; at the same time, Taidou Micro Electronics has the most invention patents in the country in the Beidou satellite navigation field, achieving full technological accumulation and innovation breakthroughs; as the application market's demand for Beidou 2 functions has further increased, Taidou Microelectronics has launched the TD1020 with the times.
The design goal of the TD1020 is to further improve performance and lower the application threshold of Beidou 2. To this end, Taidou Microelectronics has developed its third-generation Beidou 2 / GPS dual-mode baseband chip with a new receiver architecture. The chip has a capture sensitivity of -147 dBm, which greatly improves the computing power compared to the previous generation chip. At the same time, the chip Tracking sensitivity reaches -161dBm, combined with a new generation of tracking technology, it can also have precise positioning accuracy in most blocked environments such as urban canyons and viaducts. The chip integrates multi-channel adaptive processing of in-band interference and supports A-GNSS assisted positioning, which can provide a powerful satellite navigation engine for portable electronic devices such as smart phones and tablet computers.
In order to reduce the application threshold of Beidou, Taidou Microelectronics integrated its new baseband chip in the TD1020 with RF chip and flash memory in a system-in-package (SiP) in a 7mm * 7mm QFN56 economic package, which can greatly simplify Beidou 2 The peripheral circuit of the application scheme has a high cost performance. At the same time, in terms of power consumption, the chip has advanced power supply partition management and a variety of low-power application modes, which fully meet the demanding power consumption and area requirements of portable electronic devices such as smart phones, tablet computers, and wearable smart terminals.
Original observation output and rich external interfaces support positioning accuracy improvement and diversified applications
In order to support a wider range of satellite navigation application innovations, Taidou Microelectronics fully considered the needs of different users for applications when defining the TD1020 single-chip Beidou 2 / GPS solution. By providing original observations and rich external interfaces, Taidou Microelectronics Various navigation application innovations and positioning accuracy improvements have provided support. The TD1020 three-in-one single chip supports auxiliary satellites such as SBAS (WAAS, EGNOS, and GAGAN), supports original observational output, and can achieve sub-meter positioning accuracy under auxiliary conditions, providing support for the next development of Beidou navigation.
In addition, the TD1020 reserves a wealth of external interfaces. In addition to the basic UART / I2C / SPI / GPIO interfaces, it also supports 1PPS / programmable TIMEMARK pulse interface and SPEED / FWD speed pulse and direction detection interface for timing applications The high-precision timing algorithm and integrated navigation algorithm independently developed by Microelectronics can meet the needs of more satellite positioning timing applications besides autonomous navigation.
Entering a new application field and promoting Beidou's "Chinese core dream"
With the widespread popularity of intelligent devices, network connectivity becoming ubiquitous, and the rise of new applications such as the Internet of Things and location-based services (LBS), the application of technologies such as satellite navigation and positioning is becoming increasingly widespread. At the same time, more and more users have put forward higher requirements for information security, personal privacy, positioning accuracy, reliability and stability related to satellite navigation. Beidou 2 and GPS complement each other and work together in a dual mode Will become an important development trend beyond the single mode.
In order to comply with this market development trend and promote Beidou satellite navigation, positioning and timing information into more applications, Taidou Microelectronics took advantage of the launch of the TD1020 single-chip Beidou 2 / GPS dual-mode solution to achieve a win-win situation in its industry chain. Values ​​are further developed, planning for different application areas and advancing many new application cooperation models, from accelerating the promotion of Beidou satellite navigation solutions into consumer products, to a new generation of embedded solutions for emerging industries such as smart applications and the Internet of Things Programs and other important application programs and business models.
"The location and time information is a basic information that needs to be perfectly coordinated with other functions of the main system to bring the best experience to the end user. Therefore, Taidou Microelectronics is willing to cooperate with domestic and foreign leading system manufacturers, main control chip suppliers, Application processor providers, solution providers, application developers, value-added distributors and other industry chain partners have further strengthened cooperation to develop more advanced intelligent products. "Said Feng Feng, general manager of Dongguan Taidou Microelectronics Technology Co., Ltd. "Based on TD1020 and previous technology accumulation and innovation, we have prepared different solutions from intellectual property (IP) to chips, to modules and board subsystems, which will fully promote Beidou to enter more innovative applications and realize Beidou 'Changing the Chinese Dream'. "
Taidou Microelectronics' TD1020 Beidou 2 / GPS dual-mode three-in-one SiP single chip can already provide samples for pilot customers, and is accepting reservations from customers worldwide.
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