LTC4098EUDC-3.6#TRPBF

Battery Management Overview

The LTC4098EUDC-3.6#TRPBF is a high-efficiency USB PowerPath controller and full-featured LiFePO4 battery charger manufactured by Analog Devices Inc. It seamlessly manages power distribution from multiple sources, including USB, wall adapters, automotive supplies, Firewire, or other high-voltage DC/DC converters, alongside a LiFePO4 battery. The device features an integrated switching regulator that automatically limits input current for USB compatibility and interfaces with external regulators for higher voltage applications. It includes overvoltage protection on the VBUS pin using only two external components.

Battery Management Feature Summary

• Seamlessly manages power distribution from multiple sources including USB, wall adapters, automotive, Firewire, or other high-voltage DC/DC converters, and a LiFePO4 battery
• Switching regulator automatically limits input current to ensure USB compatibility while supporting auxiliary inputs up to 38V
• Overvoltage protection circuit guards against high voltage damage on the VBUS pin requiring minimal external components

Battery Management Applications

• High efficiency USB power path controllers
• Full-featured LiFePO4 battery chargers
• Automotive and high voltage DC/DC converter applications

Battery Management Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm package integrity upon receipt. Check datasheet specifications for operating conditions. Ensure ESD handling protocols are followed during installation. Validate part marking matches official documentation.

Battery Management Selection Notes

Select this component for designs requiring LiFePO4 chemistry support with specific float voltage termination. Consider the 20-lead QFN package constraints for thermal management. Evaluate input voltage ranges against system requirements. Assess NTC-based charge qualification needs for temperature monitoring. Review external component count for cost and space optimization.

Battery Management Part Context

This part belongs to the LTC4098 series of USB compatible switching power managers. It is designed specifically for lithium iron phosphate batteries. The device integrates power path control and charging functions. It supports various input sources for flexible system design. The series emphasizes efficiency and compact implementation.

Battery Management Replacement Considerations

LTC4098EUDC-3.6#PBF is a tube-packaged equivalent. LTC4098EUDC#TRPBF is a variant for different battery chemistries. Verify pinout and electrical parameters before substitution.