MAX17841BGUE/V+

Overview

The MAX17841BGUE/V+ is a high-performance, automotive-grade battery monitor IC designed for lithium-ion and lithium-polymer battery packs. It features an integrated analog front end (AFE) with precision voltage measurement capabilities and a dedicated fuel gauge core that calculates state of charge (SOC), state of health (SOH), and remaining capacity. The device supports communication via the System Management Bus (SMBus) interface, enabling seamless integration into host controllers. It includes programmable current sensing and temperature monitoring to ensure accurate energy tracking across diverse operating conditions.

Feature Summary

• Integrated analog front end with high-precision cell voltage measurement channels
• Advanced fuel gauge algorithm for calculating SOC, SOH, and remaining capacity
• Programmable current sense amplifier with low offset voltage for accurate coulomb counting
• SMBus-compatible serial interface for system controller communication

Applications

• Lithium-ion battery pack management in electric vehicles
• Hybrid electric vehicle traction battery monitoring
• Portable medical equipment power systems
• Industrial backup power storage units

Procurement Notes

Verify the specific suffix 'V+' indicates compliance with automotive reliability standards and RoHS directives as per the manufacturer's official documentation. Confirm the package type matches the design-in requirements. Check the latest product change notices for any manufacturing site transitions or material updates that may affect long-term supply chain stability.

Selection Notes

Select this component when precise state-of-charge estimation is required for single-cell or multi-cell lithium-based battery architectures. Ensure the application environment meets the specified operating temperature range and that the host system supports the SMBus protocol. Evaluate the need for integrated protection features versus external circuitry based on the specific safety certification requirements of the final product.

Part Context

This part belongs to the MAX1784x family of battery monitors from Analog Devices' Maxim Integrated division. The series is engineered for robust performance in demanding automotive and industrial environments. The BGUE suffix typically denotes a specific thermal and mechanical package variant optimized for surface-mount assembly, distinguishing it from other pinout or package options within the broader family.

Replacement Considerations

Consult official cross-reference lists for direct replacements such as the MAX17841GUE/V+. Verify compatibility regarding pinout, register map, and firmware requirements before substitution. Generic equivalents may not offer identical accuracy or automotive qualification levels.