ADBMS6821CCSZ-RL

Overview

The ADBMS6821CCSZ-RL is a single-channel isoSPI transceiver manufactured by Analog Devices Inc. It operates within a supply voltage range of 1.71 V to 5.5 V and supports data rates up to 2 Mb/s. The device features bidirectional communication capabilities with a typical operating supply current of 12 uA. It is housed in a 32-VFQFN package with exposed pad, suitable for surface mount installation. The component functions across an extended temperature range from -40°C to +125°C.

Feature Summary

• Supports bidirectional isoSPI communication protocol
• Utilizes capacitive coupling technology for signal isolation
• Operates without requiring isolated power supplies

Applications

• Battery management system monitoring
• Electric vehicle battery cell balancing
• Industrial energy storage systems

Procurement Notes

Verify availability status carefully as distribution channels may indicate limited stock or discontinuation. Confirm the specific suffix matches required packaging options. Check for recent Product Change Notifications regarding manufacturing updates. Ensure compatibility with existing board layouts before finalizing orders due to potential supply constraints.

Selection Notes

Select this component for applications requiring robust digital isolation between high-voltage battery stacks and low-voltage control logic. The single-channel design suits simpler battery monitor topologies compared to dual-channel variants. Consider the thermal performance within the QFN package when designing heat dissipation paths for continuous operation at maximum temperatures.

Part Context

This part belongs to the ADBMS6821 series of isoSPI transceivers designed specifically for battery monitoring applications. It complements other Analog Devices battery management ICs by providing reliable galvanic isolation. The series enables secure communication in electric vehicle and stationary storage environments where safety standards are critical.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.