BQ4285P-SB2 Product Details

Product Specifications of BQ4285P-SB2

The BQ4285P-SB2 is a Real-Time Clock (RTC) module produced by Texas Instruments, designed to provide exceptional timekeeping accuracy along with memory backup capabilities. This device integrates seamlessly into various systems, ensuring both precision in time tracking and data preservation during power failures. Its key features and specifications are as follows:

• Timekeeping Accuracy: Equipped with a high-precision crystal oscillator, the BQ4285P-SB2 maintains accurate time and date tracking, essential for time-sensitive applications.

• Power Supply Voltage: Operates on a 3.0V to 5.5V supply voltage range, adaptable to a wide range of system power requirements, from low-power to standard configurations.

• Temperature Range: Functions reliably within a broad temperature range of -40°C to +85°C, making it suitable for diverse environmental conditions.

• Memory Backup: Features integrated battery-backed SRAM, critical for retaining crucial data during power interruptions.

• Interface: Provides a parallel interface, allowing for straightforward integration with microcontrollers and processors.

• Package Type: Offered in a DIP-24 package, ensuring robustness and compatibility with various board layouts.

• Additional Features: Includes automatic power-fail detection, battery switch-over, programmable alarms, and a watchdog timer, enhancing system management and reliability.

Product Introduction of BQ4285P-SB2

Designed for systems requiring precise timekeeping and uninterrupted data integrity, the BQ4285P-SB2 RTC module is a comprehensive solution for sophisticated electronic systems. Its versatility, marked by low power consumption and a broad operating voltage range, makes it ideal for battery-powered devices, as well as demanding environments in industrial automation, telecommunications, automotive systems, and consumer electronics. The addition of programmable alarms and a watchdog timer further broadens its application scope, making it a go-to component for complex designs.

Application Scope of BQ4285P-SB2

This RTC module finds applications across various sectors, thanks to its extensive feature set:

• Industrial Automation: Perfect for control systems, data loggers, and monitoring equipment where accurate timing and operational reliability are paramount.

• Telecommunications Equipment: Suitable for network devices such as routers and switches, requiring precise timekeeping for logging and maintaining system integrity.

• Consumer Electronics: Essential for smart home devices, wearables, and personal electronics demanding accurate timekeeping.

• Automotive Systems: Ideal for in-vehicle electronics, including navigation systems and event loggers, where precise timing is crucial.

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

Frequently Asked Questions of BQ4285P-SB2

Q: How does the BQ4285P-SB2 maintain accurate timekeeping?

A: It utilizes a high-precision crystal oscillator to ensure consistent and accurate time and date tracking.

Q: What makes the BQ4285P-SB2 suitable for systems requiring data integrity during power outages?

A: Its integrated battery-backed SRAM preserves data during power interruptions, ensuring data integrity and uninterrupted system functionality.

Q: Can the watchdog timer and programmable alarm be customized?

A: Yes, the BQ4285P-SB2’s watchdog timer and programmable alarm can be configured to meet specific system requirements, offering flexibility in design and operation.