BQ3285LDSSTR Product Details

Product Specifications

The BQ3285LDSSTR is a low-power Real-Time Clock (RTC) integrated circuit with an array of features designed for maintaining precise time and date in a wide range of applications. It combines the functionality of timekeeping with the added benefit of a battery-backed SRAM for data retention. Key specifications of the BQ3285LDSSTR include:

• Timekeeping Accuracy: Incorporates a high-accuracy crystal oscillator to ensure reliable tracking of time and date.

• Power Supply Voltage: Optimally operates with a supply voltage range of 2.7V to 5.5V, accommodating both low-power and standard applications.

• Temperature Range: Designed to function effectively across a broad temperature range from -40°C to +85°C, suitable for various environmental conditions.

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

• Interface: Provides an I²C-bus interface, facilitating straightforward integration with microcontrollers and processors.

• Package Type: Delivered in an SSOP package, which is ideal for space-constrained applications while ensuring ease of integration.

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

Product Introduction

The BQ3285LDSSTR RTC is engineered for precision and reliability, offering an efficient solution for applications that require accurate timekeeping alongside the necessity to preserve data integrity during power outages. Its low power consumption, coupled with a wide operating voltage range, makes it an excellent choice for battery-powered devices, as well as for more demanding environments found in industrial, automotive, and telecommunications applications. The device's programmable alarm and watchdog timer features provide additional flexibility, making it a comprehensive timekeeping solution for complex electronic systems.

Application Scope

This RTC module is perfectly suited for a variety of sectors, thanks to its robust features:

• Consumer Electronics: Ideal for wearables, home automation devices, and personal electronic assistants that demand precise timekeeping.

• Industrial Automation: Perfect for use in control systems, data loggers, and monitoring equipment requiring consistent operation and data integrity.

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

• Telecommunications: Crucial for network hardware like routers and switches, which require 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 BQ3285LDSSTR ensure data integrity during power failures?

A: It automatically transitions to battery backup mode to maintain clock functionality and secure the contents of the integrated SRAM, ensuring uninterrupted operation and data protection.

Q: What makes the BQ3285LDSSTR suitable for battery-operated devices?

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

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

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