MAX17320X22+T

Overview

The MAX17320X22+T is a pack-side fuel gauge and protection integrated circuit designed for 2S to 4S series lithium-ion battery packs. It utilizes the ModelGauge m5 EZ algorithm to provide high-accuracy state-of-charge readings without requiring extensive battery characterization. The device features industry-leading low quiescent current to extend system run-time and includes SHA-256 authentication capabilities to protect against counterfeit batteries.

Feature Summary

• Integrates high-accuracy fuel gauge with ModelGauge m5 EZ algorithm
• Provides hardware-level protection for multi-cell lithium-ion packs
• Features SHA-256 authentication to prevent counterfeit battery insertion

Applications

• Portable medical devices
• Industrial handheld equipment
• Consumer electronics with multi-cell battery systems

Procurement Notes

Verify component authenticity through authorized channels due to SHA-256 security requirements. Confirm package integrity and moisture sensitivity handling prior to assembly. Ensure compatibility with specific cell chemistry configurations supported by the ModelGauge m5 EZ algorithm.

Selection Notes

Select this component for applications requiring precise state-of-charge monitoring in multi-cell lithium-ion environments. The integrated protection functionality reduces bill of materials complexity compared to separate gauge and protection ICs.

Part Context

This part belongs to the MAX17320 family of fuel gauge and protection ICs from Maxim Integrated. It represents a specialized solution for balancing accuracy, power consumption, and security in portable battery-powered systems.