BQ3285ESSTRG4 Product Details

Product Specifications

The BQ3285ESSTRG4 is a versatile Real-Time Clock (RTC) integrated circuit that marries precision timekeeping with additional functionalities designed to cater to a multitude of applications requiring reliable time and data management. This device is characterized by its comprehensive feature set, which includes:

• Timekeeping Accuracy: Incorporates a high-precision crystal oscillator to deliver accurate time and date tracking, essential for applications where timing is critical.

• Power Supply Voltage: Efficiently operates within a voltage range of 2.7V to 5.5V, making it adaptable to both low-power scenarios and standard power systems.

• Temperature Range: Guaranteed performance over a wide temperature range from -40°C to +85°C, suitable for various operational environments.

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

• Interface: Boasts an I²C-bus interface, allowing for easy integration with a broad array of microcontrollers and processors.

• Package Type: Offered in an SSOP package, it provides a compact solution that is ideal for space-constrained applications while ensuring ease of integration.

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

Product Introduction

Engineered for precision and dependability, the BQ3285ESSTRG4 RTC is designed to meet the rigorous demands of contemporary electronic systems that not only require accurate timekeeping but also the maintenance of data integrity during power interruptions. Its low power consumption, combined with a broad operating voltage range, renders it an excellent choice for battery-powered devices and challenging applications in industrial, automotive, and telecommunications sectors. The inclusion of programmable alarm and integrated SRAM adds valuable versatility, making it a comprehensive timekeeping solution for sophisticated systems.

Application Scope

This RTC chip is perfectly suited for various sectors, benefiting from its robust feature set:

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

• Industrial Automation: Perfect for timing operations and data logging within 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, requiring accurate time stamping and data preservation.

• Telecommunications Equipment: Crucial for network hardware like routers and switches, needing precise timekeeping for data logging and operational integrity.

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

Frequently Asked Questions

Q: How does the BQ3285ESSTRG4 maintain data integrity during power outages?

A: It automatically switches to battery backup, powering the clock and securing the contents of the integrated SRAM, thus ensuring uninterrupted operation and data protection.

Q: What advantages does the BQ3285ESSTRG4 offer for battery-operated devices?

A: Its energy-efficient design and effective battery backup capability make it highly suitable for devices reliant on battery power, promoting extended operational life and reliability.