MAX17841BGUE+

Overview

The MAX17841BGUE+ is a high-performance, automotive-grade battery monitor and fuel gauge IC designed for lithium-ion and lithium-polymer battery packs. It integrates a precision analog front-end with a dedicated microcontroller to provide accurate state-of-charge (SOC) and state-of-health (SOH) calculations. The device features a 12-bit ADC for voltage sensing and supports communication via an SPI interface. It operates within a specified temperature range suitable for automotive applications, ensuring reliable monitoring in electric vehicles and hybrid electric vehicles.

Feature Summary

• Integrates a precision analog front-end with a dedicated microcontroller for comprehensive battery management
• Provides accurate state-of-charge and state-of-health calculations using advanced algorithms
• Features a 12-bit analog-to-digital converter for precise voltage sensing
• Supports serial peripheral interface communication for system integration

Applications

• Electric vehicle battery packs
• Hybrid electric vehicle energy storage systems
• Automotive infotainment and body control modules
• Industrial battery-powered equipment

Procurement Notes

Verify the specific suffix 'BGUE+' against the manufacturer's official datasheet to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints and firmware interfaces before procurement. Check for current supply status as automotive components may have limited availability or long lead times due to production constraints.

Selection Notes

Select this component when high accuracy in SOC and SOH estimation is required for automotive lithium-based battery systems. Consider the integrated MCU capabilities if external processing resources are limited. Verify that the operating temperature range meets the specific environmental requirements of the target application.

Part Context

The MAX17841 is part of Maxim Integrated's (now Analog Devices) MAX17xxx family of gas gauges. This series is widely used in portable electronics and automotive applications for monitoring rechargeable batteries. The MAX17841 specifically targets automotive environments, offering robustness and accuracy required for safety-critical battery management systems.

Replacement Considerations

Consult the manufacturer's obsolescence notices and alternative product recommendations. Direct replacements may include other members of the MAX17xxx family with compatible pinouts and software interfaces. Verify electrical specifications and package dimensions before substitution.