MAX17048G+

Overview

The MAX17048G+ is a micropower, single-cell lithium-ion fuel gauge IC from the ModelGauge family. It operates within a supply voltage range of 2.5 V to 4.5 V and draws a typical operating current of 23 µA. The device utilizes an I²C interface for communication and is housed in an 8-TDFN-EP (2x2) surface-mount package. It supports an extended operating temperature range from -40°C to +85°C.

Feature Summary

• Implements ModelGauge algorithm for continuous relative state-of-charge tracking
• Provides high-precision coulomb counting for battery capacity monitoring
• Features low-power operation suitable for portable handheld equipment

Applications

• Smartphones and mobile phones
• Tablets and portable computers
• Wireless earbuds and headsets
• Medical devices requiring precise power management

Procurement Notes

Verify the specific suffix 'T10' against the datasheet to confirm tape-and-reel packaging requirements. Confirm RoHS compliance status with the manufacturer. Check for obsolescence notices as availability may be restricted. Ensure the selected variant matches the required thermal performance for the target application environment.

Selection Notes

Select this component for applications requiring accurate single-cell lithium battery monitoring with minimal power consumption. The I²C interface simplifies integration with microcontrollers. Consider the 8-TDFN package for space-constrained designs. Verify that the external circuitry supports the required voltage levels and current sensing capabilities.

Part Context

This part belongs to the MAX170xx series of fuel gauges, which utilize advanced battery modeling algorithms. It is designed specifically for lithium-ion and lithium-polymer batteries. The ModelGauge technology distinguishes it from standard coulomb counters by providing more accurate state-of-charge estimates over the battery's lifecycle.

Replacement Considerations

MAX17049G+ serves as a direct alternative for dual-cell configurations.