MAX17262HEWL+T

Overview

The MAX17262HEWL+T is a single-cell fuel gauge IC from the ModelGauge m5 EZ family, designed for lithium-ion and LiFePO4 battery chemistries. It integrates high-side current sensing capabilities to provide accurate state-of-charge (SOC) and remaining capacity measurements. The device operates within a temperature range of -40°C to +85°C and utilizes an I2C interface for communication. It supports various packaging options including WLP and TDFN formats.

Feature Summary

• Implements ModelGauge m5 EZ algorithm for precise battery monitoring without requiring complex calibration
• Supports optional high-side current sensing for integrated charge and discharge measurement
• Compatible with both Lithium-Ion and Lithium Iron Phosphate (LiFePO4) cell chemistries

Applications

• Portable electronic devices requiring accurate battery life estimation
• Medical equipment needing reliable power management
• Industrial handheld tools utilizing LiFePO4 batteries

Procurement Notes

Verify the specific suffix (HEWL) against the manufacturer's latest datasheet to confirm package type and tape/reel specifications. Ensure compatibility with your system's I2C voltage levels and check for any recent obsolescence notices or alternative lead times from authorized distributors.

Selection Notes

Select this component when high accuracy in SOC estimation is critical for single-cell applications. It is suitable for designs where minimizing external components is preferred due to its integrated sensing features. Consider the operating temperature range and chemical compatibility before finalizing the design.

Part Context

This part belongs to Maxim Integrated's ModelGauge series, known for advanced gas gauging algorithms. The MAX1726x family offers scalable solutions for portable electronics, balancing performance with low power consumption. It complements other PMICs by providing detailed battery health data.

Replacement Considerations

Check for direct pin-to-pin replacements within the MAX1726x family such as MAX17260 or MAX17261, ensuring the specific package variant matches. Verify algorithm updates or feature differences that might impact software implementation.