At the beginning of 2025, the CES (International Consumer Electronics Show) conference, known as the "Spring Festival Gala of the Technology Industry," has set a benchmark for the development of technology trends throughout the year.
Undoubtedly, automotive technology has once again become the highlight of this year's CES. As the culmination of modern technology, automobiles carry many cutting-edge technologies such as electrification, intelligence, and networking, which are changing transportation modes and reshaping the landscape of life at an unprecedented speed. At the same time, they also put forward more stringent requirements for precise timing and synchronization of complex systems.
In the face of increasingly complex challenges in the automotive industry, real-time clock chips (RTC) have become a key link in breaking the deadlock. By providing precise real-time time, RTC is not only the core component that ensures the normal operation of key systems in vehicle electronics, but also plays a crucial role in improving performance, reducing energy consumption, and ensuring driving safety.
After the release of the high-precision RTC chips INS5A8900 and INS5A8804 with I2C interfaces for automotive standards, DaPu Technology has recently launched the INS5A4000 series with ultra wide temperature and high-precision RTC interfaces for automotive standards. It adopts independently developed and designed chips, high-precision temperature compensation algorithms, and full process automatic testing systems and equipment, providing users with intelligent, convenient, safe, and personalized travel experiences with excellent quality and performance.
High precision, low power consumption, high reliability
The INS5A4000 automotive grade RTC chip launched by Dapu Technology integrates a 32.768kHz digital temperature compensated crystal oscillator (DTCXO), which fully considers temperature redundancy and impact resistance characteristics in its design, significantly improving product performance and ensuring stable operation in harsh environments.
This chip has the advantages of high precision, low power consumption, wide temperature range, small size, and high reliability. It has passed the "Extreme Reliability Test" of CNAS laboratory and meets the strict AEC-Q100 automotive standard. It can be applied to multiple key subsystems of automotive electronics, such as central control, instruments, audio, intelligent cockpit, on-board T-BOX, battery management system (BMS), driving monitoring system (DMS), advanced driving assistance system (ADAS), intelligent Bluetooth key, etc. Taking BMS, DMS and autonomous driving fields as examples:
In the field of BMS, RTC serves as one of the wake-up sources, triggering BMS to manage its own working mode (sleep, run), and can be used to periodically correct SOC, providing BMS with historical data and time coordinates corresponding to fault information for subsequent data analysis and fault diagnosis.
In DMS, the RTC chip can record the real-time driving speed, time, mileage, and related driving videos of the car. Its timestamp function plays a key role in traffic accident analysis and collision liability determination.
In the field of autonomous driving, high stability RTC chips can correct abnormal data caused by satellite signal interference, and when combined with local inertial navigation systems, can ensure positioning accuracy at the sub meter level in various complex scenarios. In the future, autonomous vehicle will rely more heavily on RTC to achieve synchronization between vehicle sensors, GPS and communication systems. This precise timing is crucial for making instant decisions.
