AD7280WBSTZ-RL

Overview

The AD7280WBSTZ-RL is a battery management integrated circuit designed for lithium-ion battery monitoring. It operates within a supply voltage range of 10 V to 40 V and features an LQFP-64 surface-mount package. The device provides a regulated 5 V output with a maximum current capability of 2 mA. It supports SMD/SMT installation methods and is part of the AD7280A series, specifically tailored for charge management applications in industrial environments.

Feature Summary

• Provides primary monitoring functions for lithium-ion battery stacks
• Includes internal reference for accurate cell voltage measurement
• Features programmable deglitching circuitry to prevent false alarms
• Supports external FET control for individual cell balancing

Applications

• Lithium-ion battery stack monitoring systems
• Electric vehicle battery management units
• Industrial energy storage system protection
• Portable equipment battery safety circuits

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm lot traceability and RoHS compliance status prior to integration. Ensure storage conditions meet moisture sensitivity level requirements to maintain solderability and long-term reliability during assembly processes.

Selection Notes

Select this component when high accuracy cell monitoring is required alongside secondary protection capabilities. Consider the operating temperature range and supply voltage compatibility with the target battery architecture. Evaluate interface requirements against existing microcontroller or system controller specifications for seamless data acquisition.

Part Context

This device belongs to the AD7280 family of battery monitors, which are engineered for robust performance in demanding automotive and industrial sectors. It complements secondary protection devices like the AD8280 to form complete isolated monitoring solutions. The design emphasizes precision and safety for critical power management tasks.

Replacement Considerations

Consult official Analog Devices documentation for verified cross-reference part numbers. Ensure any substitute maintains identical pinout, electrical characteristics, and functional compatibility before implementation.