BQ3285ESTR Product Details

Product Specifications

The BQ3285ESTR is a comprehensive Real-Time Clock (RTC) module, engineered for precision timekeeping and equipped with a suite of features designed for a broad spectrum of applications. This device integrates essential timekeeping functionalities with enhanced capabilities to ensure accurate time and date management. Here are the primary specifications:

• Timekeeping Accuracy: Built around a high-accuracy crystal oscillator, the BQ3285ESTR ensures meticulous tracking of time and date, catering to applications where precision is crucial.

• Power Supply Voltage: Designed to operate efficiently within a supply voltage range of 2.7V to 5.5V, accommodating both low-power and standard voltage applications.

• Temperature Range: Capable of functioning reliably across a temperature range from -40°C to +85°C, making it suitable for diverse operational environments.

• Memory Backup: Incorporates integrated battery-backed SRAM, crucial for maintaining data integrity during periods of power loss.

• Interface: Features an I²C-bus interface, enabling straightforward integration with a wide array of microcontrollers and processors.

• Package Type: Provided in a surface-mount package, optimizing it for space-constrained applications while ensuring ease of integration.

• Additional Features: Includes automatic power-fail detection, battery switch-over capability, and a programmable alarm function, enhancing system management and reliability.

Product Introduction

The BQ3285ESTR RTC module is designed to meet the stringent requirements of modern electronic systems that demand not only accurate timekeeping but also the need to preserve data integrity during power outages. Its low power consumption and broad operating voltage range make it an excellent choice for battery-powered devices, as well as for demanding environments found in industrial, automotive, and telecommunications applications. The device's programmable alarm and integrated SRAM provide additional flexibility, making it a comprehensive timekeeping solution for sophisticated electronic systems.

Application Scope

This RTC module is well-suited for a variety of sectors due to its robust features:

• Consumer Electronics: Ideal for smart wearables, home automation devices, and personal electronics that require precise timing.

• Industrial Automation: Perfect for timing operations and data logging in control systems, machinery, and monitoring equipment where consistency and data integrity are critical.

• Automotive Systems: Appropriate for use in vehicle electronics, such as navigation systems and event loggers, where accurate timekeeping and data retention are essential.

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

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

Frequently Asked Questions

Q: How does the BQ3285ESTR ensure data integrity during power interruptions?

A: It automatically switches to its battery backup, maintaining the clock's operation and preserving the contents of the integrated SRAM, thereby ensuring uninterrupted functionality and data protection.

Q: What makes the BQ3285ESTR suitable for battery-operated devices?

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

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

A: Yes, the programmable alarm function allows for setting specific events or reminders at predetermined times, enhancing system management and operational efficiency.