MAX17330X22+

Overview

The MAX17330X22+ is a single-cell lithium-ion/polymer battery charger, fuel gauge, and protector IC featuring the ModelGauge m5 algorithm. It integrates SHA-256 authentication for secure identification. The device supports input voltages up to 5.7V and includes built-in I2C communication interfaces. It provides comprehensive protection mechanisms and accurate state-of-charge monitoring for portable electronic applications requiring reliable power management.

Feature Summary

• Integrates ModelGauge m5 algorithm for precise single-cell battery charging, monitoring, and protection
• Includes optional SHA-256 identity authentication for enhanced security
• Features built-in I2C communication interface for system integration

Applications

• Single-cell lithium-ion/polymer battery powered devices
• Portable electronics requiring secure battery identification
• Systems needing integrated charge management and fuel gauging

Procurement Notes

Verify the specific suffix X22 against official Analog Devices documentation to confirm pinout and feature configuration. Ensure compatibility with required authentication protocols if SHA-256 functionality is utilized in the design. Cross-reference datasheet revisions for any updates to electrical characteristics or recommended operating conditions before finalizing procurement.

Selection Notes

Select this component when a combined solution for charging, fuel gauging, and protection is required for a single-cell battery. The inclusion of SHA-256 authentication makes it suitable for applications demanding secure battery verification. Evaluate the I2C interface requirements and ensure the system supports the necessary communication protocol for accurate state-of-charge reporting.

Part Context

This part belongs to the MAX17330 family from Analog Devices/Maxim Integrated, designed for advanced battery management. It replaces older discrete solutions by integrating multiple functions into a single IC. The ModelGauge m5 technology distinguishes it by providing high accuracy without requiring complex calibration procedures typically needed in traditional fuel gauges.

Replacement Considerations

Consult official substitution lists for direct replacements. Generic equivalents may lack the integrated SHA-256 authentication or ModelGauge m5 accuracy. Verify pin-to-pin compatibility and software driver support if migrating from previous generations.