MAX11068GUU+T

Overview

The MAX11068GUU+T is a programmable, highly integrated, high-voltage, 12-channel battery-monitoring smart data-acquisition interface. It features a 12-bit SAR ADC with ±0.25% voltage measurement accuracy and completes a 12-cell scan in 107μs. The device supports cascading up to 31 units for monitoring 372 cells. It includes an integrated linear regulator (6V–70V input), 2.5V precision reference, and SMBus/I2C interface. Operating temperature range is -40°C to +105°C.

Feature Summary

• Integrates 12-channel differential voltage measurement with two additional analog inputs for temperature monitoring.
• Supports cascading up to 31 devices via SMBus link to monitor extensive battery stacks.
• Includes built-in fault detection for overvoltage, undervoltage, and open-circuit conditions.
• Features integrated 200mA balancing switches and hardware handshake for fault tolerance.

Applications

• Electric vehicle battery management systems
• Hybrid electric vehicle battery monitoring
• Multi-cell series energy storage systems

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm AEC-Q100 Grade 2 qualification status for automotive compliance. Check RoHS compliance documentation. Note that the product may be subject to obsolescence; verify current production status before finalizing procurement plans.

Selection Notes

Select this component for applications requiring high-voltage multi-cell monitoring with integrated balancing. Ensure system voltage does not exceed 70V input limits. Verify compatibility with SMBus/I2C host controllers. Consider thermal performance within the specified -40°C to +105°C operating range.

Part Context

The MAX11068 is part of Maxim Integrated's (now Analog Devices) battery management portfolio. It is designed for high-voltage, multi-cell series rechargeable battery packs. The device simplifies system design by integrating sensing, conversion, and communication interfaces into a single 38-pin TSSOP package.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Analog Devices official documentation for potential legacy replacements or updated series components.