MAX6789TB+

Overview

The MAX6789TB+ is a battery management integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. It functions as a quad 1%-accurate battery monitor designed for multi-cell battery pack applications. The device operates within a supply voltage range of 1.2 V to 5.5 V and supports an operating temperature range from -40°C to +85°C. It is housed in a TQFN-EP-16 package and belongs to the MAX6789 series under the PMIC category.

Feature Summary

• Provides high accuracy monitoring for multiple battery cells
• Supports wide input voltage operation suitable for various battery chemistries

Applications

• Multi-cell battery pack monitoring
• Battery management systems requiring high accuracy
• Portable electronic devices with complex power requirements

Procurement Notes

Verify component authenticity through authorized channels due to discontinued status. Confirm package integrity and pin alignment against datasheet specifications. Check for moisture sensitivity indicators if storage conditions were not strictly controlled. Ensure compatibility with existing board layouts and thermal management designs before integration.

Selection Notes

Select this component when precise cell balancing or monitoring across four cells is required. Consider the TQFN-EP-16 footprint constraints during PCB design. Evaluate thermal performance within the specified operating temperature range. Verify that the 1.2 V to 5.5 V supply range aligns with system power architecture.

Part Context

This part belongs to the MAX6789 series of battery monitors, which are specialized for managing multi-cell lithium-ion or similar battery packs. It complements other Maxim Integrated power management solutions by providing detailed cell-level data for system controllers.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer resources for current alternatives.