MAX17312X+

Overview

The MAX17312X+ is a single-cell ModelGauge m5 EZ fuel gauge IC designed for lithium-ion and lithium-polymer batteries. It provides accurate state-of-charge monitoring using a one-wire interface. The device integrates over-current, over-temperature, over-voltage, and short-circuit fault protection. It operates within a temperature range of -40°C to +85°C TA. The component is housed in a 15-WLP package measuring 1.68x2.45 mm.

Feature Summary

• Implements ModelGauge m5 EZ algorithm for precise battery state-of-charge estimation
• Integrates comprehensive fault protection including over-current, over-temperature, and short-circuit detection
• Supports SHA-256 authentication for secure data integrity

Applications

• Industrial equipment power management
• Automotive electronic systems
• Aerospace instrumentation

Procurement Notes

Verify the specific suffix designation against official Analog Devices documentation to confirm exact packaging and tape-and-reel specifications. Ensure compatibility with the target system's voltage levels and thermal requirements before procurement. Cross-reference the part number with authorized distributors to validate authenticity and supply chain integrity.

Selection Notes

Select this component for applications requiring high accuracy in single-cell lithium battery monitoring. The integrated fault protection simplifies system design by reducing external component count. Consider the small WLP footprint for space-constrained designs. Verify interface compatibility with the host microcontroller.

Part Context

This part belongs to the MAX17312 family of fuel gauge ICs from Maxim Integrated, now part of Analog Devices. The series focuses on providing reliable battery management solutions for portable and industrial devices. The MAX17312X+ variant specifically targets single-cell chemistries with enhanced security features.

Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Generic replacements may lack the specific ModelGauge calibration or SHA-256 capabilities.