BQ4802YDWRG4

BQ4802YDWRG4
Manufacturer

Texas Instruments

Description

Texas Instruments

Package

Tape & Reel (TR)

Stock

1000

Price

active

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BQ4802YDWRG4.pdf

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Product Attributes

BQ4802YDWRG4 Product Details

Product Specifications

The BQ4802YDWRG4 is a high-performance Real-Time Clock (RTC) integrated circuit that provides precise timekeeping features along with integrated memory backup capabilities. It is designed to ensure accurate time and data retention across a wide array of applications. Key specifications of the BQ4802YDWRG4 include:

  • Timekeeping Accuracy: Utilizes a precision crystal oscillator for maintaining accurate time and date information.

  • Power Supply Voltage: Efficiently operates on a supply voltage range of 2.7V to 5.5V, accommodating a versatile array of power requirements.

  • Temperature Range: Functions reliably in a temperature range from -40°C to +85°C, suitable for demanding operating environments.

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

  • Interface: I²C interface allows for seamless communication with a broad spectrum of microcontrollers and processors.

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

  • Additional Features: Equipped with automatic power-fail detection, battery switch-over, and a programmable alarm function, the BQ4802YDWRG4 enhances system management and reliability.

Product Introduction

Engineered for precision and reliability, the BQ4802YDWRG4 RTC offers an integrated solution for applications requiring accurate timekeeping and data preservation. Its low power consumption and wide operating voltage range make it an ideal choice for battery-powered and portable devices, as well as for industrial, automotive, and telecommunications applications where varying power conditions are common. The inclusion of a battery-backed SRAM and programmable alarm function provides additional flexibility, making it a versatile choice for complex electronic systems.

Application Scope

The BQ4802YDWRG4 finds applications in various sectors due to its versatile features:

  • Consumer Electronics: Suitable for smart devices, home automation gadgets, and personal electronic assistants requiring accurate timekeeping.

  • Industrial Automation: Ideal for time-sensitive control systems, data loggers, and monitoring equipment that need to operate reliably across a range of environmental conditions.

  • Automotive Systems: Applicable in vehicle electronics, navigation systems, and black box recorders for precise time stamping and data logging.

  • Telecommunications: Crucial for network hardware such as routers, switches, and base stations that require accurate timekeeping for logging and data integrity.

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

Frequently Asked Questions

Q: How does the BQ4802YDWRG4 ensure data integrity during power outages?

A: It seamlessly transitions to battery backup mode to maintain clock functionality and protect the integrated SRAM contents, ensuring uninterrupted operation and data integrity.

Q: What advantages does the BQ4802YDWRG4 offer for battery-operated devices?

A: Its low power consumption and effective battery backup capability make it highly suitable for battery-operated devices, promising extended device longevity and reliability.

Q: Can the alarm function be tailored for specific tasks?

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


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