BQ4802LYDSH Product Details

Product Specifications of BQ4802LYDSH

The BQ4802LYDSH is an innovative Real-Time Clock (RTC) module from Texas Instruments, designed to deliver precise timekeeping and data retention capabilities. It integrates a host of features to cater to applications that require not only accurate time tracking but also the safeguarding of critical information during power outages. Key specifications include:

• Timekeeping Accuracy: Utilizes a high-precision crystal oscillator for accurate time and date tracking, ensuring reliability for time-sensitive applications.

• Power Supply Voltage: Efficiently operates within a 3.3V to 5.5V supply voltage range, making it adaptable to a wide variety of power scenarios.

• Temperature Range: Offers stable performance across a temperature range from -40°C to +85°C, accommodating diverse environmental conditions.

• Memory Backup: Features integrated battery-backed SRAM, essential for retaining data during periods of power loss, thus ensuring data integrity.

• Interface: Provides a parallel interface for straightforward integration with microcontrollers and processors, facilitating communication within electronic systems.

• Package Type: Delivered in a SOIC-28 package, providing a compact solution suitable for space-constrained applications.

• Additional Features: Equipped with automatic power-fail detection, battery switch-over capability, and a programmable alarm function, these features enhance system management and reliability.

Product Introduction of BQ4802LYDSH

The BQ4802LYDSH RTC module is engineered for precision and dependability, making it an ideal solution for applications that demand not only accurate timekeeping but also the preservation of data integrity during power interruptions. Its low power consumption and wide operating voltage range make it particularly well-suited for battery-powered devices, as well as more demanding environments found in industrial automation, automotive systems, telecommunications equipment, and medical devices. The inclusion of programmable alarm and watchdog timer features adds significant versatility, making it a comprehensive solution for complex electronic systems.

Application Scope of BQ4802LYDSH

This RTC module is perfectly suited for a broad spectrum of applications:

• Consumer Electronics: Essential for smart wearables, home automation gadgets, and personal electronics that require precise timekeeping.

• Industrial Automation: Ideal for timing operations and data logging in control systems, machinery, and monitoring equipment, where reliability and data integrity are paramount.

• Automotive Systems: Suitable for in-vehicle electronics, such as navigation systems and event loggers, where accurate time stamping and data preservation are essential.

• Telecommunications: Crucial for network infrastructure devices, including routers and switches, that rely on precise timekeeping for data logging and system integrity.

• Medical Devices: Vital for patient monitoring systems and medical recording equipment, where accurate timing is crucial for data analysis and patient care.

Frequently Asked Questions of BQ4802LYDSH

Q: How does the BQ4802LYDSH maintain data integrity during power outages?

A: It automatically transitions to battery backup mode, maintaining the clock's operation and securing the contents of the integrated SRAM, thus ensuring uninterrupted functionality and data protection.

Q: What advantages does the BQ4802LYDSH offer for battery-operated devices?

A: Its energy-efficient design and effective battery backup capability make it highly suitable for devices dependent on battery power, ensuring minimal energy consumption and extended operational life.

Q: Can the programmable alarm be customized for specific needs?

A: Yes, the programmable alarm function can be set to trigger specific events or reminders at predetermined times, enhancing system management and operational efficiency.