The BQ4802LYDWR from Texas Instruments is a highly integrated Real-Time Clock module that offers a comprehensive timekeeping solution for a wide range of applications. This RTC is designed to provide precise time and date information, and includes features that ensure continued operation even in the event of a power failure.

Key Features

• Integrated Power-Sense Circuit: The device includes an automatic power-sense circuit that detects power failures and automatically switches to the backup supply, ensuring uninterrupted timekeeping.
• Low Power Consumption: Engineered for energy efficiency, the BQ4802LYDWR operates with very low power consumption, making it ideal for battery-powered applications.
• Non-Volatile RAM: It features 114 bytes of non-volatile RAM, providing storage for critical data that must be preserved during power outages.
• Programmable Alarm: A programmable alarm function is available, enabling the device to generate interrupts for specific time-related events.
• Wide Operating Temperature: The device is designed to operate over an industrial temperature range, ensuring reliability and performance under varying environmental conditions.

Applications

The BQ4802LYDWR is suitable for a multitude of applications where accurate timekeeping is crucial. These include:

• Data loggers
• Industrial controllers
• Telematics
• Handheld devices
• Medical devices
• Utility meters

Technical Specifications

The device is packaged in a 24-SOIC (0.295", 7.50mm Width) form factor and operates at a voltage range of 4.5 V to 5.5 V. It is designed to be directly interfaced with a microcontroller or other logic circuitry.

Ordering and Availability

The Texas Instruments BQ4802LYDWR RTC is available for order and can be sourced directly from Texas Instruments or through authorized distributors. For detailed information on pricing, availability, and shipping, please consult the Texas Instruments website or contact their sales representatives.