DS1259S+T&R

Battery Management Overview

The DS1259S+T&R is a battery management integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. It is designed to manage power supply support for microprocessor systems, specifically converting standard CMOS SRAM into nonvolatile memory through automatic backup switching. The device operates within a voltage range of 3 V and utilizes a 16-SOIC surface-mount package. It functions as a charge management unit suitable for industrial temperature ranges.

Battery Management Feature Summary

• Converts CMOS SRAM into nonvolatile memory via automatic battery backup switching
• Monitors main power supply to detect impending power failures
• Controls external power switches for high-current applications
• Provides unconditionally write-protects memory when power is out of tolerance

Battery Management Applications

• Microprocessor system power management
• CMOS SRAM nonvolatile conversion
• Industrial embedded control systems

Battery Management Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to discontinued status. Confirm RoHS compliance details and lead times with suppliers, as availability may be restricted. Ensure the specific suffix matches the required packaging format for integration.

Battery Management Selection Notes

Select this component for applications requiring reliable SRAM backup without complex external circuitry. Consider the 16-SOIC package constraints and operating temperature limits. Evaluate compatibility with existing microprocessor reset and watchdog requirements before finalizing the design.

Battery Management Part Context

This part belongs to the Maxim MicroMonitor family, which integrates supervisory circuits with battery management features. It is related to variants like the DS1259SN and DS1238 series, offering similar power monitoring but with distinct packaging or temperature rating specifications.

Battery Management Replacement Considerations

DS1259SN+T&R

Battery Management FAQ

What is the primary function of the DS1259S+T&R regarding memory?

It automatically switches to a backup battery source to maintain data in connected CMOS SRAM during main power loss.

Does this device include a manual reset feature?

No, the DS1259S+T&R does not include a manual reset button; it relies on power monitoring and external inputs.