MAX17043G+U

Overview

The MAX17043G+U is a compact, low-cost fuel gauge IC designed for single-cell lithium-ion or lithium-polymer batteries. It utilizes the ModelGauge algorithm to estimate state-of-charge without requiring current sensing. The device operates on a supply voltage ranging from 2.5 V to 4.5 V with a typical operating current of 50 uA. It features an output voltage of 400 mV and an output current of 200 nA. The component is housed in an 8-pin TDFN package and supports surface mount installation. It functions within a temperature range of -20°C to +70°C.

Feature Summary

• Estimates battery state-of-charge using ModelGauge algorithm without current-sense resistor
• Eliminates need for external current sensing components to save space and cost
• Supports single-cell lithium-ion and lithium-polymer battery chemistries

Applications

• Wireless handsets and smartphones
• Portable medical equipment
• Digital cameras and portable game players

Procurement Notes

Verify component authenticity through authorized channels due to limited availability status. Confirm package integrity and pin alignment against datasheet specifications before integration. Ensure environmental compliance documentation matches project requirements. Validate electrical parameters against official test conditions prior to system validation.

Selection Notes

Select this component when designing systems requiring accurate state-of-charge estimation without adding current-sense resistors. Ideal for applications prioritizing minimal bill-of-materials and reduced PCB footprint. Suitable for portable devices where battery life monitoring is critical but space constraints limit complex circuitry options.

Part Context

Part of the MAX1704x series of fuel gauges offering industry-standard accuracy for handheld applications. Designed to replace traditional coulomb counting methods by simplifying implementation while maintaining reliable performance across various lithium-based battery types commonly used in consumer electronics.

Replacement Considerations

MAX17044G+T serves as a related variant supporting two-cell configurations.