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Automotive-grade Real time clock chip

28/02/2025

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
Documents Tech question
Dapu INS5 A4000

Automotive-grade Real time clock chip

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Applications & Markets

  • 3 Automotive

    Automotive

Technologies

  • Screenshot 2022 05 04 130706

    Timing & frequency control

Dapu

DAPU TELECOM, Founded in 2005 provides core products and solutions for communication networks, ICT and AIoT markets. Dapu’s focus on the telecom industry, started in 3G, growing in 4G and is leading in 5G with Frequency, Clock, Timing and RF passive products for global customers.

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  • Dapu Automotive grade Real time clock chip INS5 A4000
Pexels thisisengineering 3913017

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