The INS5A4000 is an automotive-grade SPI interface ultra-wide temperature high-precision RTC series. This series is powered by Dapu’s independently developed chip design, proprietary high-precision temperature compensation algorithm, and fully automated testing system, delivering high precision, low power consumption, and high reliability to meet the stringent demands of next-generation automotive applications.
With superior quality and performance, the INS5A4000 series is designed to support the evolution of smart mobility, enabling safer, more reliable, and energy-efficient driving experiences.
The INS5A4000 automotive-grade RTC chip integrates a 32.768kHz Digital Temperature Compensated Crystal Oscillator (DTCXO). Its design fully considers temperature redundancy and impact resistance, significantly enhancing product performance and ensuring stable operation even in harsh environments.
Main Features:
- Timekeeping resolution reaches 1/1024 second
- External event interrupts can be triggered by voltage drops, oscillator failures, or host commands
- Timer wake-up functionality is supported, with configurable intervals ranging from 976.56μs to 32 years
- Frequency calibration and self-monitoring diagnostics are integrated
